From c3e8cd3c03a2890a92946d7db7f854d5d7f62448 Mon Sep 17 00:00:00 2001
From: Vladimir Weinstein <icu@weivsara.com>
Date: Wed, 9 Aug 2000 22:58:01 +0000
Subject: [PATCH] ICU-461 locale data synced with LCID<->POSIX mapping

X-SVN-Rev: 2151
---
 icu4c/data/ar.txt                    | 2 +-
 icu4c/data/ar_AE.txt                 | 1 +
 icu4c/data/ar_BH.txt                 | 1 +
 icu4c/data/ar_DZ.txt                 | 1 +
 icu4c/data/ar_EG.txt                 | 1 +
 icu4c/data/ar_IQ.txt                 | 1 +
 icu4c/data/ar_JO.txt                 | 1 +
 icu4c/data/ar_KW.txt                 | 1 +
 icu4c/data/ar_LB.txt                 | 1 +
 icu4c/data/ar_LY.txt                 | 1 +
 icu4c/data/ar_MA.txt                 | 1 +
 icu4c/data/ar_OM.txt                 | 1 +
 icu4c/data/ar_QA.txt                 | 1 +
 icu4c/data/ar_SA.txt                 | 1 +
 icu4c/data/ar_SY.txt                 | 1 +
 icu4c/data/ar_TN.txt                 | 1 +
 icu4c/data/ar_YE.txt                 | 1 +
 icu4c/data/be.txt                    | 2 +-
 icu4c/data/be_BY.txt                 | 1 +
 icu4c/data/bg.txt                    | 2 +-
 icu4c/data/bg_BG.txt                 | 1 +
 icu4c/data/ca.txt                    | 2 +-
 icu4c/data/ca_ES.txt                 | 1 +
 icu4c/data/cs.txt                    | 2 +-
 icu4c/data/cs_CZ.txt                 | 1 +
 icu4c/data/da.txt                    | 2 +-
 icu4c/data/da_DK.txt                 | 1 +
 icu4c/data/de.txt                    | 2 +-
 icu4c/data/de_DE.txt                 | 1 +
 icu4c/data/de_LU.txt                 | 1 +
 icu4c/data/el.txt                    | 2 +-
 icu4c/data/el_GR.txt                 | 1 +
 icu4c/data/en.txt                    | 1 +
 icu4c/data/en_BE.txt                 | 1 -
 icu4c/data/en_US.txt                 | 1 +
 icu4c/data/eo.txt                    | 2 +-
 icu4c/data/es.txt                    | 2 +-
 icu4c/data/es_ES.txt                 | 1 +
 icu4c/data/es_HN.txt                 | 2 +-
 icu4c/data/es_NI.txt                 | 2 +-
 icu4c/data/es_PR.txt                 | 2 +-
 icu4c/data/es_SV.txt                 | 2 +-
 icu4c/data/et.txt                    | 2 +-
 icu4c/data/et_EE.txt                 | 1 +
 icu4c/data/fi.txt                    | 2 +-
 icu4c/data/fi_FI.txt                 | 1 +
 icu4c/data/fr.txt                    | 2 +-
 icu4c/data/fr_FR.txt                 | 1 +
 icu4c/data/fr_LU.txt                 | 1 +
 icu4c/data/hi.txt                    | 1 +
 icu4c/data/hi_IN.txt                 | 1 +
 icu4c/data/hr.txt                    | 2 +-
 icu4c/data/hr_HR.txt                 | 1 +
 icu4c/data/hu.txt                    | 2 +-
 icu4c/data/hu_HU.txt                 | 1 +
 icu4c/data/is.txt                    | 2 +-
 icu4c/data/is_IS.txt                 | 1 +
 icu4c/data/it.txt                    | 2 +-
 icu4c/data/it_IT.txt                 | 1 +
 icu4c/data/iw.txt                    | 2 +-
 icu4c/data/iw_IL.txt                 | 1 +
 icu4c/data/ja.txt                    | 2 +-
 icu4c/data/ja_JP.txt                 | 1 +
 icu4c/data/ko.txt                    | 2 +-
 icu4c/data/ko_KR.txt                 | 1 +
 icu4c/data/kok.txt                   | 1 +
 icu4c/data/kok_IN.txt                | 1 +
 icu4c/data/lt.txt                    | 2 +-
 icu4c/data/lt_LT.txt                 | 1 +
 icu4c/data/lv.txt                    | 2 +-
 icu4c/data/lv_LV.txt                 | 1 +
 icu4c/data/mk.txt                    | 2 +-
 icu4c/data/mk_MK.txt                 | 1 +
 icu4c/data/mr.txt                    | 1 +
 icu4c/data/mr_IN.txt                 | 1 +
 icu4c/data/nl.txt                    | 2 +-
 icu4c/data/nl_NL.txt                 | 1 +
 icu4c/data/no.txt                    | 2 +-
 icu4c/data/no_NO.txt                 | 1 +
 icu4c/data/pl.txt                    | 2 +-
 icu4c/data/pl_PL.txt                 | 1 +
 icu4c/data/pt.txt                    | 2 +-
 icu4c/data/pt_PT.txt                 | 1 +
 icu4c/data/ro.txt                    | 2 +-
 icu4c/data/ro_RO.txt                 | 1 +
 icu4c/data/root.txt                  | 2 +-
 icu4c/data/ru.txt                    | 2 +-
 icu4c/data/ru_RU.txt                 | 1 +
 icu4c/data/sh.txt                    | 2 +-
 icu4c/data/sh_YU.txt                 | 1 +
 icu4c/data/sk.txt                    | 2 +-
 icu4c/data/sk_SK.txt                 | 1 +
 icu4c/data/sl.txt                    | 2 +-
 icu4c/data/sl_SI.txt                 | 1 +
 icu4c/data/sq.txt                    | 2 +-
 icu4c/data/sq_AL.txt                 | 1 +
 icu4c/data/sr.txt                    | 2 +-
 icu4c/data/sr_YU.txt                 | 1 +
 icu4c/data/sv.txt                    | 2 +-
 icu4c/data/sv_FI.txt                 | 1 +
 icu4c/data/sv_SE.txt                 | 1 +
 icu4c/data/ta.txt                    | 1 +
 icu4c/data/ta_IN.txt                 | 1 +
 icu4c/data/th.txt                    | 2 +-
 icu4c/data/th_TH.txt                 | 1 +
 icu4c/data/tr.txt                    | 2 +-
 icu4c/data/tr_TR.txt                 | 1 +
 icu4c/data/uk.txt                    | 2 +-
 icu4c/data/uk_UA.txt                 | 1 +
 icu4c/data/vi_VN.txt                 | 2 +-
 icu4c/data/zh.txt                    | 2 +-
 icu4c/data/zh_CN.txt                 | 2 ++
 icu4c/source/data/locales/ar.txt     | 2 +-
 icu4c/source/data/locales/ar_AE.txt  | 1 +
 icu4c/source/data/locales/ar_BH.txt  | 1 +
 icu4c/source/data/locales/ar_DZ.txt  | 1 +
 icu4c/source/data/locales/ar_EG.txt  | 1 +
 icu4c/source/data/locales/ar_IQ.txt  | 1 +
 icu4c/source/data/locales/ar_JO.txt  | 1 +
 icu4c/source/data/locales/ar_KW.txt  | 1 +
 icu4c/source/data/locales/ar_LB.txt  | 1 +
 icu4c/source/data/locales/ar_LY.txt  | 1 +
 icu4c/source/data/locales/ar_MA.txt  | 1 +
 icu4c/source/data/locales/ar_OM.txt  | 1 +
 icu4c/source/data/locales/ar_QA.txt  | 1 +
 icu4c/source/data/locales/ar_SA.txt  | 1 +
 icu4c/source/data/locales/ar_SY.txt  | 1 +
 icu4c/source/data/locales/ar_TN.txt  | 1 +
 icu4c/source/data/locales/ar_YE.txt  | 1 +
 icu4c/source/data/locales/be.txt     | 2 +-
 icu4c/source/data/locales/be_BY.txt  | 1 +
 icu4c/source/data/locales/bg.txt     | 2 +-
 icu4c/source/data/locales/bg_BG.txt  | 1 +
 icu4c/source/data/locales/ca.txt     | 2 +-
 icu4c/source/data/locales/ca_ES.txt  | 1 +
 icu4c/source/data/locales/cs.txt     | 2 +-
 icu4c/source/data/locales/cs_CZ.txt  | 1 +
 icu4c/source/data/locales/da.txt     | 2 +-
 icu4c/source/data/locales/da_DK.txt  | 1 +
 icu4c/source/data/locales/de.txt     | 2 +-
 icu4c/source/data/locales/de_DE.txt  | 1 +
 icu4c/source/data/locales/de_LU.txt  | 1 +
 icu4c/source/data/locales/el.txt     | 2 +-
 icu4c/source/data/locales/el_GR.txt  | 1 +
 icu4c/source/data/locales/en.txt     | 1 +
 icu4c/source/data/locales/en_BE.txt  | 1 -
 icu4c/source/data/locales/en_US.txt  | 1 +
 icu4c/source/data/locales/eo.txt     | 2 +-
 icu4c/source/data/locales/es.txt     | 2 +-
 icu4c/source/data/locales/es_ES.txt  | 1 +
 icu4c/source/data/locales/es_HN.txt  | 2 +-
 icu4c/source/data/locales/es_NI.txt  | 2 +-
 icu4c/source/data/locales/es_PR.txt  | 2 +-
 icu4c/source/data/locales/es_SV.txt  | 2 +-
 icu4c/source/data/locales/et.txt     | 2 +-
 icu4c/source/data/locales/et_EE.txt  | 1 +
 icu4c/source/data/locales/fi.txt     | 2 +-
 icu4c/source/data/locales/fi_FI.txt  | 1 +
 icu4c/source/data/locales/fr.txt     | 2 +-
 icu4c/source/data/locales/fr_FR.txt  | 1 +
 icu4c/source/data/locales/fr_LU.txt  | 1 +
 icu4c/source/data/locales/hi.txt     | 1 +
 icu4c/source/data/locales/hi_IN.txt  | 1 +
 icu4c/source/data/locales/hr.txt     | 2 +-
 icu4c/source/data/locales/hr_HR.txt  | 1 +
 icu4c/source/data/locales/hu.txt     | 2 +-
 icu4c/source/data/locales/hu_HU.txt  | 1 +
 icu4c/source/data/locales/is.txt     | 2 +-
 icu4c/source/data/locales/is_IS.txt  | 1 +
 icu4c/source/data/locales/it.txt     | 2 +-
 icu4c/source/data/locales/it_IT.txt  | 1 +
 icu4c/source/data/locales/iw.txt     | 2 +-
 icu4c/source/data/locales/iw_IL.txt  | 1 +
 icu4c/source/data/locales/ja.txt     | 2 +-
 icu4c/source/data/locales/ja_JP.txt  | 1 +
 icu4c/source/data/locales/ko.txt     | 2 +-
 icu4c/source/data/locales/ko_KR.txt  | 1 +
 icu4c/source/data/locales/kok.txt    | 1 +
 icu4c/source/data/locales/kok_IN.txt | 1 +
 icu4c/source/data/locales/lt.txt     | 2 +-
 icu4c/source/data/locales/lt_LT.txt  | 1 +
 icu4c/source/data/locales/lv.txt     | 2 +-
 icu4c/source/data/locales/lv_LV.txt  | 1 +
 icu4c/source/data/locales/mk.txt     | 2 +-
 icu4c/source/data/locales/mk_MK.txt  | 1 +
 icu4c/source/data/locales/mr.txt     | 1 +
 icu4c/source/data/locales/mr_IN.txt  | 1 +
 icu4c/source/data/locales/nl.txt     | 2 +-
 icu4c/source/data/locales/nl_NL.txt  | 1 +
 icu4c/source/data/locales/no.txt     | 2 +-
 icu4c/source/data/locales/no_NO.txt  | 1 +
 icu4c/source/data/locales/pl.txt     | 2 +-
 icu4c/source/data/locales/pl_PL.txt  | 1 +
 icu4c/source/data/locales/pt.txt     | 2 +-
 icu4c/source/data/locales/pt_PT.txt  | 1 +
 icu4c/source/data/locales/ro.txt     | 2 +-
 icu4c/source/data/locales/ro_RO.txt  | 1 +
 icu4c/source/data/locales/root.txt   | 2 +-
 icu4c/source/data/locales/ru.txt     | 2 +-
 icu4c/source/data/locales/ru_RU.txt  | 1 +
 icu4c/source/data/locales/sh.txt     | 2 +-
 icu4c/source/data/locales/sh_YU.txt  | 1 +
 icu4c/source/data/locales/sk.txt     | 2 +-
 icu4c/source/data/locales/sk_SK.txt  | 1 +
 icu4c/source/data/locales/sl.txt     | 2 +-
 icu4c/source/data/locales/sl_SI.txt  | 1 +
 icu4c/source/data/locales/sq.txt     | 2 +-
 icu4c/source/data/locales/sq_AL.txt  | 1 +
 icu4c/source/data/locales/sr.txt     | 2 +-
 icu4c/source/data/locales/sr_YU.txt  | 1 +
 icu4c/source/data/locales/sv.txt     | 2 +-
 icu4c/source/data/locales/sv_FI.txt  | 1 +
 icu4c/source/data/locales/sv_SE.txt  | 1 +
 icu4c/source/data/locales/ta.txt     | 1 +
 icu4c/source/data/locales/ta_IN.txt  | 1 +
 icu4c/source/data/locales/th.txt     | 2 +-
 icu4c/source/data/locales/th_TH.txt  | 1 +
 icu4c/source/data/locales/tr.txt     | 2 +-
 icu4c/source/data/locales/tr_TR.txt  | 1 +
 icu4c/source/data/locales/uk.txt     | 2 +-
 icu4c/source/data/locales/uk_UA.txt  | 1 +
 icu4c/source/data/locales/vi_VN.txt  | 2 +-
 icu4c/source/data/locales/zh.txt     | 2 +-
 icu4c/source/data/locales/zh_CN.txt  | 2 ++
 224 files changed, 224 insertions(+), 92 deletions(-)

diff --git a/icu4c/data/ar.txt b/icu4c/data/ar.txt
index 6fdc4383a3b..ed5adf5fc22 100644
--- a/icu4c/data/ar.txt
+++ b/icu4c/data/ar.txt
@@ -94,7 +94,7 @@ ar {
     Languages { 
         ar { "\u0627\u0644\u0639\u0631\u0628\u064A\u0629" }
     }
-    LocaleID { "0c01" }
+    LocaleID { "01" }
     LocaleString { "ar" }
     MonthAbbreviations { 
             "\u064A\u0646\u0627",
diff --git a/icu4c/data/ar_AE.txt b/icu4c/data/ar_AE.txt
index e10fee66f37..fee2a30715f 100644
--- a/icu4c/data/ar_AE.txt
+++ b/icu4c/data/ar_AE.txt
@@ -13,4 +13,5 @@ ar_AE {
     }
     LocaleString { "ar_AE" }
     ShortCountry { "ARE" }
+    LocaleID { "3801" }
 }
diff --git a/icu4c/data/ar_BH.txt b/icu4c/data/ar_BH.txt
index efbe873efb1..7b88493e3b9 100644
--- a/icu4c/data/ar_BH.txt
+++ b/icu4c/data/ar_BH.txt
@@ -13,4 +13,5 @@ ar_BH {
     }
     LocaleString { "ar_BH" }
     ShortCountry { "BHR" }
+    LocaleID { "3c01" }
 }
diff --git a/icu4c/data/ar_DZ.txt b/icu4c/data/ar_DZ.txt
index d3b85957bc9..b0850c821f7 100644
--- a/icu4c/data/ar_DZ.txt
+++ b/icu4c/data/ar_DZ.txt
@@ -13,4 +13,5 @@ ar_DZ {
     }
     LocaleString { "ar_DZ" }
     ShortCountry { "DZA" }
+    LocaleID { "1401" }
 }
diff --git a/icu4c/data/ar_EG.txt b/icu4c/data/ar_EG.txt
index fa4b3c74e90..1fbd7903e1f 100644
--- a/icu4c/data/ar_EG.txt
+++ b/icu4c/data/ar_EG.txt
@@ -13,4 +13,5 @@ ar_EG {
     }
     LocaleString { "ar_EG" }
     ShortCountry { "EGY" }
+    LocaleID { "0c01" }
 }
diff --git a/icu4c/data/ar_IQ.txt b/icu4c/data/ar_IQ.txt
index cf2634c1ff1..bc2d7fd0918 100644
--- a/icu4c/data/ar_IQ.txt
+++ b/icu4c/data/ar_IQ.txt
@@ -13,4 +13,5 @@ ar_IQ {
     }
     LocaleString { "ar_IQ" }
     ShortCountry { "IRQ" }
+    LocaleID { "0801" }
 }
diff --git a/icu4c/data/ar_JO.txt b/icu4c/data/ar_JO.txt
index 8d602c66795..324e8fd8525 100644
--- a/icu4c/data/ar_JO.txt
+++ b/icu4c/data/ar_JO.txt
@@ -52,4 +52,5 @@ ar_JO {
             "",
     }
     ShortCountry { "JOR" }
+    LocaleID { "2c01" }
 }
diff --git a/icu4c/data/ar_KW.txt b/icu4c/data/ar_KW.txt
index eb4e25ece6e..a4b8d0f383b 100644
--- a/icu4c/data/ar_KW.txt
+++ b/icu4c/data/ar_KW.txt
@@ -13,4 +13,5 @@ ar_KW {
     }
     LocaleString { "ar_KW" }
     ShortCountry { "KWT" }
+    LocaleID { "3401" }
 }
diff --git a/icu4c/data/ar_LB.txt b/icu4c/data/ar_LB.txt
index 31f377e8d27..ea0ee2f9a2c 100644
--- a/icu4c/data/ar_LB.txt
+++ b/icu4c/data/ar_LB.txt
@@ -52,4 +52,5 @@ ar_LB {
             "",
     }
     ShortCountry { "LBN" }
+    LocaleID { "3001" }
 }
diff --git a/icu4c/data/ar_LY.txt b/icu4c/data/ar_LY.txt
index ec7b1d9be0d..b19a1cab8ed 100644
--- a/icu4c/data/ar_LY.txt
+++ b/icu4c/data/ar_LY.txt
@@ -13,4 +13,5 @@ ar_LY {
     }
     LocaleString { "ar_LY" }
     ShortCountry { "LBY" }
+    LocaleID { "1001" }
 }
diff --git a/icu4c/data/ar_MA.txt b/icu4c/data/ar_MA.txt
index 7948e28d6ef..63beb43ce60 100644
--- a/icu4c/data/ar_MA.txt
+++ b/icu4c/data/ar_MA.txt
@@ -13,4 +13,5 @@ ar_MA {
     }
     LocaleString { "ar_MA" }
     ShortCountry { "MAR" }
+    LocaleID { "1801" }
 }
diff --git a/icu4c/data/ar_OM.txt b/icu4c/data/ar_OM.txt
index 0cd538a3c0c..174120658e4 100644
--- a/icu4c/data/ar_OM.txt
+++ b/icu4c/data/ar_OM.txt
@@ -13,4 +13,5 @@ ar_OM {
     }
     LocaleString { "ar_OM" }
     ShortCountry { "OMN" }
+    LocaleID { "2001" }
 }
diff --git a/icu4c/data/ar_QA.txt b/icu4c/data/ar_QA.txt
index efc60dbad4b..e5396cb25db 100644
--- a/icu4c/data/ar_QA.txt
+++ b/icu4c/data/ar_QA.txt
@@ -13,4 +13,5 @@ ar_QA {
     }
     LocaleString { "ar_QA" }
     ShortCountry { "QAT" }
+    LocaleID { "4001" }
 }
diff --git a/icu4c/data/ar_SA.txt b/icu4c/data/ar_SA.txt
index 8eb8cbd1b9e..97a1abbf1e7 100644
--- a/icu4c/data/ar_SA.txt
+++ b/icu4c/data/ar_SA.txt
@@ -13,4 +13,5 @@ ar_SA {
     }
     LocaleString { "ar_SA" }
     ShortCountry { "SAU" }
+    LocaleID { "0401" }
 }
diff --git a/icu4c/data/ar_SY.txt b/icu4c/data/ar_SY.txt
index 4bf02f1e55e..b92f1da049e 100644
--- a/icu4c/data/ar_SY.txt
+++ b/icu4c/data/ar_SY.txt
@@ -52,4 +52,5 @@ ar_SY {
             "",
     }
     ShortCountry { "SYR" }
+    LocaleID { "2801" }
 }
diff --git a/icu4c/data/ar_TN.txt b/icu4c/data/ar_TN.txt
index f96eaa7fad0..e2797232d93 100644
--- a/icu4c/data/ar_TN.txt
+++ b/icu4c/data/ar_TN.txt
@@ -13,4 +13,5 @@ ar_TN {
     }
     LocaleString { "ar_TN" }
     ShortCountry { "TUN" }
+    LocaleID { "1c01" }
 }
diff --git a/icu4c/data/ar_YE.txt b/icu4c/data/ar_YE.txt
index eff67637aa6..4f07bb1e8d8 100644
--- a/icu4c/data/ar_YE.txt
+++ b/icu4c/data/ar_YE.txt
@@ -13,4 +13,5 @@ ar_YE {
     }
     LocaleString { "ar_YE" }
     ShortCountry { "YEM" }
+    LocaleID { "2401" }
 }
diff --git a/icu4c/data/be.txt b/icu4c/data/be.txt
index 90e5aecead8..9637eb17081 100644
--- a/icu4c/data/be.txt
+++ b/icu4c/data/be.txt
@@ -69,7 +69,7 @@ be {
     Languages { 
         be { "\u0431\u0435\u043B\u0430\u0440\u0443\u0441\u043A\u0456" }
     }
-    LocaleID { "0423" }
+    LocaleID { "23" }
     LocaleString { "be" }
     MonthAbbreviations { 
             "\u0441\u0442\u0434",
diff --git a/icu4c/data/be_BY.txt b/icu4c/data/be_BY.txt
index a185c4e5553..ed3c7ee6ed5 100644
--- a/icu4c/data/be_BY.txt
+++ b/icu4c/data/be_BY.txt
@@ -18,4 +18,5 @@ be_BY {
             "#,##0%",
     }
     ShortCountry { "BLR" }
+    LocaleID { "0423" }
 }
diff --git a/icu4c/data/bg.txt b/icu4c/data/bg.txt
index 2754cdc9159..639948803c5 100644
--- a/icu4c/data/bg.txt
+++ b/icu4c/data/bg.txt
@@ -69,7 +69,7 @@ bg {
     Languages { 
         bg { "\u0431\u044A\u043B\u0433\u0430\u0440\u0441\u043A\u0438" }
     }
-    LocaleID { "0402" }
+    LocaleID { "02" }
     LocaleString { "bg" }
     MonthAbbreviations { 
             "I",
diff --git a/icu4c/data/bg_BG.txt b/icu4c/data/bg_BG.txt
index 1055caad195..815e608a4db 100644
--- a/icu4c/data/bg_BG.txt
+++ b/icu4c/data/bg_BG.txt
@@ -18,4 +18,5 @@ bg_BG {
             "#,##0%",
     }
     ShortCountry { "BGR" }
+    LocaleID { "0402" }
 }
diff --git a/icu4c/data/ca.txt b/icu4c/data/ca.txt
index 4487d11e159..25465237a3a 100644
--- a/icu4c/data/ca.txt
+++ b/icu4c/data/ca.txt
@@ -46,7 +46,7 @@ ca {
     Languages { 
         ca { "catal\u00E0" }
     }
-    LocaleID { "0403" }
+    LocaleID { "03" }
     LocaleString { "ca" }
     MonthAbbreviations { 
             "gen.",
diff --git a/icu4c/data/ca_ES.txt b/icu4c/data/ca_ES.txt
index f685b73ec16..4dcbac72552 100644
--- a/icu4c/data/ca_ES.txt
+++ b/icu4c/data/ca_ES.txt
@@ -18,4 +18,5 @@ ca_ES {
             "#,##0%",
     }
     ShortCountry { "ESP" }
+    LocaleID { "0403" }
 }
diff --git a/icu4c/data/cs.txt b/icu4c/data/cs.txt
index 05db197846d..4536bfd147f 100644
--- a/icu4c/data/cs.txt
+++ b/icu4c/data/cs.txt
@@ -56,7 +56,7 @@ cs {
     Languages { 
         cs { "\u010De\u0161tina" }
     }
-    LocaleID { "0405" }
+    LocaleID { "05" }
     LocaleString { "cs" }
     MonthAbbreviations { 
             "I",
diff --git a/icu4c/data/cs_CZ.txt b/icu4c/data/cs_CZ.txt
index 3111600e2fe..da01045b32a 100644
--- a/icu4c/data/cs_CZ.txt
+++ b/icu4c/data/cs_CZ.txt
@@ -18,4 +18,5 @@ cs_CZ {
             "#,##0%",
     }
     ShortCountry { "CZE" }
+    LocaleID { "0405" }
 }
diff --git a/icu4c/data/da.txt b/icu4c/data/da.txt
index a658e35523e..165fccef498 100644
--- a/icu4c/data/da.txt
+++ b/icu4c/data/da.txt
@@ -52,7 +52,7 @@ da {
     Languages { 
         da { "dansk" }
     }
-    LocaleID { "0406" }
+    LocaleID { "06" }
     LocaleString { "da" }
     MonthAbbreviations { 
             "jan",
diff --git a/icu4c/data/da_DK.txt b/icu4c/data/da_DK.txt
index d3bd0c89311..09c94b9961b 100644
--- a/icu4c/data/da_DK.txt
+++ b/icu4c/data/da_DK.txt
@@ -18,4 +18,5 @@ da_DK {
             "#,##0%",
     }
     ShortCountry { "DNK" }
+    LocaleID { "0406" }
 }
diff --git a/icu4c/data/de.txt b/icu4c/data/de.txt
index 21cee05fc54..04e264a7694 100644
--- a/icu4c/data/de.txt
+++ b/icu4c/data/de.txt
@@ -446,7 +446,7 @@ de {
         // ? za { "Zhuang" }
         // same as in root?? zu { "Zulu" }
     }
-    LocaleID { "0407" }
+    LocaleID { "07" }
     LocaleString { "de" }
     MonthAbbreviations { 
             "Jan",
diff --git a/icu4c/data/de_DE.txt b/icu4c/data/de_DE.txt
index f6cb20e9cc0..58143cfcb55 100644
--- a/icu4c/data/de_DE.txt
+++ b/icu4c/data/de_DE.txt
@@ -18,4 +18,5 @@ de_DE {
             "#,##0%",
     }
     ShortCountry { "DEU" }
+    LocaleID { "0407" }
 }
diff --git a/icu4c/data/de_LU.txt b/icu4c/data/de_LU.txt
index 401db7d4db5..798df86150a 100644
--- a/icu4c/data/de_LU.txt
+++ b/icu4c/data/de_LU.txt
@@ -18,4 +18,5 @@ de_LU {
             "#,##0%",
     }
     ShortCountry { "LUX" }
+    LocaleID { "1007" }
 }
diff --git a/icu4c/data/el.txt b/icu4c/data/el.txt
index ab9442efa76..aab7b24a1af 100644
--- a/icu4c/data/el.txt
+++ b/icu4c/data/el.txt
@@ -66,7 +66,7 @@ el {
     Languages { 
         el { "\u03B5\u03BB\u03BB\u03B7\u03BD\u03B9\u03BA\u03AC" }
     }
-    LocaleID { "0408" }
+    LocaleID { "08" }
     LocaleString { "el" }
     MonthAbbreviations { 
             "\u0399\u03B1\u03BD",
diff --git a/icu4c/data/el_GR.txt b/icu4c/data/el_GR.txt
index 168f35c4a63..ab7fbf4ab48 100644
--- a/icu4c/data/el_GR.txt
+++ b/icu4c/data/el_GR.txt
@@ -18,4 +18,5 @@ el_GR {
             "#,##0%",
     }
     ShortCountry { "GRC" }
+    LocaleID { "0408" }
 }
diff --git a/icu4c/data/en.txt b/icu4c/data/en.txt
index 93bd5833ba7..a83d9ed0080 100644
--- a/icu4c/data/en.txt
+++ b/icu4c/data/en.txt
@@ -226,4 +226,5 @@ en {
                 "CDT",
         }
     }
+    LocaleID { "09" }
 }
diff --git a/icu4c/data/en_BE.txt b/icu4c/data/en_BE.txt
index 7b4f6a974e4..608b64698db 100644
--- a/icu4c/data/en_BE.txt
+++ b/icu4c/data/en_BE.txt
@@ -32,7 +32,6 @@ en_BE {
             "dd/MM/yy",
             "{1} {0}",
     }
-    LocaleID { "0809" }
     LocaleString { "en_BE" }
     NumberElements {
             ",",
diff --git a/icu4c/data/en_US.txt b/icu4c/data/en_US.txt
index 6a9bffea5b6..5ad0695e704 100644
--- a/icu4c/data/en_US.txt
+++ b/icu4c/data/en_US.txt
@@ -18,4 +18,5 @@ en_US {
             "#,##0%",
     }
     ShortCountry { "USA" }
+    LocaleID { "0409" }
 }
diff --git a/icu4c/data/eo.txt b/icu4c/data/eo.txt
index 0c63ca7cd9e..22cfa55a803 100644
--- a/icu4c/data/eo.txt
+++ b/icu4c/data/eo.txt
@@ -87,7 +87,7 @@ eo {
         sv { "sveda" }
         tr { "turka" }
     }
-    LocaleID { "07e0" }
+    //LocaleID { "07e0" }
     LocaleString { "eo" }
     MonthAbbreviations { 
             "jan",
diff --git a/icu4c/data/es.txt b/icu4c/data/es.txt
index b931cfc50ae..e8e5b8c9a43 100644
--- a/icu4c/data/es.txt
+++ b/icu4c/data/es.txt
@@ -68,7 +68,7 @@ es {
     Languages { 
         es { "espa\u00F1ol" }
     }
-    LocaleID { "0c0a" }
+    LocaleID { "0a" }
     LocaleString { "es" }
     MonthAbbreviations { 
             "ene",
diff --git a/icu4c/data/es_ES.txt b/icu4c/data/es_ES.txt
index 73ae737ce79..48713fe286c 100644
--- a/icu4c/data/es_ES.txt
+++ b/icu4c/data/es_ES.txt
@@ -18,4 +18,5 @@ es_ES {
             "#,##0%",
     }
     ShortCountry { "ESP" }
+    LocaleID { "0c0a" }
 }
diff --git a/icu4c/data/es_HN.txt b/icu4c/data/es_HN.txt
index b6a5065295b..33c85d17eba 100644
--- a/icu4c/data/es_HN.txt
+++ b/icu4c/data/es_HN.txt
@@ -22,7 +22,7 @@ es_HN {
             "MM-dd-yy",
             "{1} {0}",
     }
-    LocaleID { "" }
+    LocaleID { "480a" }
     LocaleString { "es_HN" }
     NumberElements { 
             ".",
diff --git a/icu4c/data/es_NI.txt b/icu4c/data/es_NI.txt
index 0a96caa1219..ecb1aed9301 100644
--- a/icu4c/data/es_NI.txt
+++ b/icu4c/data/es_NI.txt
@@ -22,7 +22,7 @@ es_NI {
             "MM-dd-yy",
             "{1} {0}",
     }
-    LocaleID { "" }
+    LocaleID { "4c0a" }
     LocaleString { "es_NI" }
     NumberElements { 
             ".",
diff --git a/icu4c/data/es_PR.txt b/icu4c/data/es_PR.txt
index ae1f53484b5..970c6dd3284 100644
--- a/icu4c/data/es_PR.txt
+++ b/icu4c/data/es_PR.txt
@@ -22,7 +22,7 @@ es_PR {
             "MM-dd-yy",
             "{1} {0}",
     }
-    LocaleID { "" }
+    LocaleID { "500a" }
     LocaleString { "es_PR" }
     NumberElements { 
             ".",
diff --git a/icu4c/data/es_SV.txt b/icu4c/data/es_SV.txt
index 346a0bd7db9..d8ec65ace3e 100644
--- a/icu4c/data/es_SV.txt
+++ b/icu4c/data/es_SV.txt
@@ -22,7 +22,6 @@ es_SV {
             "MM-dd-yy",
             "{1} {0}",
     }
-    LocaleID { "" }
     LocaleString { "es_SV" }
     NumberElements { 
             ".",
@@ -38,4 +37,5 @@ es_SV {
             "\uFFFD",
     }
     ShortCountry { "SLV" }
+    LocaleID {"440a"}
 }
diff --git a/icu4c/data/et.txt b/icu4c/data/et.txt
index 69298f6b02b..fb1207b0caa 100644
--- a/icu4c/data/et.txt
+++ b/icu4c/data/et.txt
@@ -52,7 +52,7 @@ et {
     Languages { 
         et { "Eesti" }
     }
-    LocaleID { "0425" }
+    LocaleID { "25" }
     LocaleString { "et" }
     MonthAbbreviations { 
             "Jaan",
diff --git a/icu4c/data/et_EE.txt b/icu4c/data/et_EE.txt
index 833ccdabb38..47f2a630148 100644
--- a/icu4c/data/et_EE.txt
+++ b/icu4c/data/et_EE.txt
@@ -18,4 +18,5 @@ et_EE {
             "#,##0%",
     }
     ShortCountry { "EST" }
+    LocaleID { "0425" }
 }
diff --git a/icu4c/data/fi.txt b/icu4c/data/fi.txt
index f7d3c9b058f..157aee7e5e0 100644
--- a/icu4c/data/fi.txt
+++ b/icu4c/data/fi.txt
@@ -52,7 +52,7 @@ fi {
     Languages { 
         fi { "suomi" }
     }
-    LocaleID { "040b" }
+    LocaleID { "0b" }
     LocaleString { "f" }
     MonthAbbreviations { 
             "tammi",
diff --git a/icu4c/data/fi_FI.txt b/icu4c/data/fi_FI.txt
index 2c67724e64f..e5ff79b8c88 100644
--- a/icu4c/data/fi_FI.txt
+++ b/icu4c/data/fi_FI.txt
@@ -18,4 +18,5 @@ fi_FI {
             "#,##0%",
     }
     ShortCountry { "FIN" }
+    LocaleID { "040b" }
 }
diff --git a/icu4c/data/fr.txt b/icu4c/data/fr.txt
index 270cc6e2380..cc4d0178883 100644
--- a/icu4c/data/fr.txt
+++ b/icu4c/data/fr.txt
@@ -84,7 +84,7 @@ fr {
         sv { "su\u00E9dois" }
         tr { "turc" }
     }
-    LocaleID { "040c" }
+    LocaleID { "0c" }
     LocaleString { "fr" }
     MonthAbbreviations { 
             "janv.",
diff --git a/icu4c/data/fr_FR.txt b/icu4c/data/fr_FR.txt
index 4b0a588b0ae..325149b7dbe 100644
--- a/icu4c/data/fr_FR.txt
+++ b/icu4c/data/fr_FR.txt
@@ -13,4 +13,5 @@ fr_FR {
     }
     LocaleString { "fr_FR" }
     ShortCountry { "FRA" }
+    LocaleID { "040c" }
 }
diff --git a/icu4c/data/fr_LU.txt b/icu4c/data/fr_LU.txt
index 3606b499f50..cd42e18335d 100644
--- a/icu4c/data/fr_LU.txt
+++ b/icu4c/data/fr_LU.txt
@@ -13,4 +13,5 @@ fr_LU {
     }
     LocaleString { "fr_LU" }
     ShortCountry { "LUX" }
+    LocaleID { "140c" }
 }
diff --git a/icu4c/data/hi.txt b/icu4c/data/hi.txt
index 2b1bc4efa81..cb8bb6223b5 100644
--- a/icu4c/data/hi.txt
+++ b/icu4c/data/hi.txt
@@ -5,6 +5,7 @@
 //  -  Arundhati Bhowmick [IBM Cupertino]
 
 hi {
+    LocaleID { "39" }
       Version { "0.5" }
     ShortLanguage { hin }
     Languages {
diff --git a/icu4c/data/hi_IN.txt b/icu4c/data/hi_IN.txt
index dd208e0df7d..df3e2992145 100644
--- a/icu4c/data/hi_IN.txt
+++ b/icu4c/data/hi_IN.txt
@@ -30,5 +30,6 @@ hi_IN {
         "1"
     }
    Version { "0.3" }     
+   LocaleID { "0439" }
 
 }
\ No newline at end of file
diff --git a/icu4c/data/hr.txt b/icu4c/data/hr.txt
index 0af32bd695f..110188522ad 100644
--- a/icu4c/data/hr.txt
+++ b/icu4c/data/hr.txt
@@ -49,7 +49,7 @@ hr {
     Languages { 
         hr { "hrvatski" }
     }
-    LocaleID { "041a" }
+    LocaleID { "1a" }
     LocaleString { "hr" }
     MonthAbbreviations { 
             "sij",
diff --git a/icu4c/data/hr_HR.txt b/icu4c/data/hr_HR.txt
index 70da8da20b9..dba830bd686 100644
--- a/icu4c/data/hr_HR.txt
+++ b/icu4c/data/hr_HR.txt
@@ -18,4 +18,5 @@ hr_HR {
             "#,##0%",
     }
     ShortCountry { "HRV" }
+    LocaleID { "041a" }
 }
diff --git a/icu4c/data/hu.txt b/icu4c/data/hu.txt
index 43fc83ba3fe..98b8b0b77d3 100644
--- a/icu4c/data/hu.txt
+++ b/icu4c/data/hu.txt
@@ -57,7 +57,7 @@ hu {
     Languages { 
         hu { "magyar" }
     }
-    LocaleID { "040e" }
+    LocaleID { "0e" }
     LocaleString { "hu" }
     MonthAbbreviations { 
             "jan.",
diff --git a/icu4c/data/hu_HU.txt b/icu4c/data/hu_HU.txt
index 86ffe1e38f3..86c57fcf489 100644
--- a/icu4c/data/hu_HU.txt
+++ b/icu4c/data/hu_HU.txt
@@ -18,4 +18,5 @@ hu_HU {
             "#,##0%",
     }
     ShortCountry { "HUN" }
+    LocaleID { "040e" }
 }
diff --git a/icu4c/data/is.txt b/icu4c/data/is.txt
index 9f4faacfbf6..7d393946f20 100644
--- a/icu4c/data/is.txt
+++ b/icu4c/data/is.txt
@@ -49,7 +49,7 @@ is {
     Languages { 
         is { "\u00EDslenska" }
     }
-    LocaleID { "040f" }
+    LocaleID { "0f" }
     LocaleString { "is" }
     MonthAbbreviations { 
             "jan.",
diff --git a/icu4c/data/is_IS.txt b/icu4c/data/is_IS.txt
index 936ae2a16af..0e7f7781dbd 100644
--- a/icu4c/data/is_IS.txt
+++ b/icu4c/data/is_IS.txt
@@ -18,4 +18,5 @@ is_IS {
             "#,##0%",
     }
     ShortCountry { "ISL" }
+    LocaleID { "040f" }
 }
diff --git a/icu4c/data/it.txt b/icu4c/data/it.txt
index 92be9062490..e90f1f47e73 100644
--- a/icu4c/data/it.txt
+++ b/icu4c/data/it.txt
@@ -56,7 +56,7 @@ it {
     Languages { 
         it { "italiano" }
     }
-    LocaleID { "0410" }
+    LocaleID { "10" }
     LocaleString { "it" }
     MonthAbbreviations { 
             "gen",
diff --git a/icu4c/data/it_IT.txt b/icu4c/data/it_IT.txt
index cd077dfdc1e..cc4d1699b4e 100644
--- a/icu4c/data/it_IT.txt
+++ b/icu4c/data/it_IT.txt
@@ -18,4 +18,5 @@ it_IT {
             "#,##0%",
     }
     ShortCountry { "ITA" }
+    LocaleID { "0410" }
 }
diff --git a/icu4c/data/iw.txt b/icu4c/data/iw.txt
index 04b599160be..47c37e760ab 100644
--- a/icu4c/data/iw.txt
+++ b/icu4c/data/iw.txt
@@ -61,7 +61,7 @@ iw {
     Languages { 
         iw { "\u05E2\u05D1\u05E8\u05D9\u05EA" }
     }
-    LocaleID { "040d" }
+    LocaleID { "0d" }
     LocaleString { "iw" }
     MonthAbbreviations { 
             "\u05D9\u05E0\u05D5",
diff --git a/icu4c/data/iw_IL.txt b/icu4c/data/iw_IL.txt
index da7ace50cd4..c33608e675c 100644
--- a/icu4c/data/iw_IL.txt
+++ b/icu4c/data/iw_IL.txt
@@ -18,4 +18,5 @@ iw_IL {
             "#,##0%",
     }
     ShortCountry { "ISR" }
+    LocaleID { "040d" }
 }
diff --git a/icu4c/data/ja.txt b/icu4c/data/ja.txt
index b9134a39596..bdd0b0ec582 100644
--- a/icu4c/data/ja.txt
+++ b/icu4c/data/ja.txt
@@ -830,7 +830,7 @@ ja {
     Languages { 
         ja { "\u65E5\u672C\u8A9E" }
     }
-    LocaleID { "0411" }
+    LocaleID { "11" }
     LocaleString { "ja" }
     MonthAbbreviations { 
             "1",
diff --git a/icu4c/data/ja_JP.txt b/icu4c/data/ja_JP.txt
index 11b29c461b3..e40f37ba07d 100644
--- a/icu4c/data/ja_JP.txt
+++ b/icu4c/data/ja_JP.txt
@@ -18,4 +18,5 @@ ja_JP {
             "#,##0%",
     }
     ShortCountry { "JPN" }
+    LocaleID { "0411" }
 }
diff --git a/icu4c/data/ko.txt b/icu4c/data/ko.txt
index 95a2fe2b339..16391fa621b 100644
--- a/icu4c/data/ko.txt
+++ b/icu4c/data/ko.txt
@@ -964,7 +964,7 @@ ko {
     Languages { 
         ko { "\uD55C\uAD6D\uC5B4" }
     }
-    LocaleID { "0412" }
+    LocaleID { "12" }
     LocaleString { "ko" }
     MonthAbbreviations { 
             "1\uC6D4",
diff --git a/icu4c/data/ko_KR.txt b/icu4c/data/ko_KR.txt
index 4f56523b74a..c9d7d067169 100644
--- a/icu4c/data/ko_KR.txt
+++ b/icu4c/data/ko_KR.txt
@@ -18,4 +18,5 @@ ko_KR {
             "#,##0%",
     }
     ShortCountry { "KOR" }
+    LocaleID { "0412" }
 }
diff --git a/icu4c/data/kok.txt b/icu4c/data/kok.txt
index edb9b7bcdd9..0eda50be9f6 100644
--- a/icu4c/data/kok.txt
+++ b/icu4c/data/kok.txt
@@ -1,6 +1,7 @@
 // Copyright (c) 1998-2000 IBM, Inc.
 
 kok {
+    LocaleID { "57" }
     Version { "0.1" }
     ShortLanguage { kok }
     Languages {
diff --git a/icu4c/data/kok_IN.txt b/icu4c/data/kok_IN.txt
index 502cf98f020..21ff10a4d19 100644
--- a/icu4c/data/kok_IN.txt
+++ b/icu4c/data/kok_IN.txt
@@ -2,6 +2,7 @@
 // Konkani locale
 
 kok_IN {
+    LocaleID { "0457" }
     ShortCountry { IND }
 
     CurrencyElements {
diff --git a/icu4c/data/lt.txt b/icu4c/data/lt.txt
index 2c3419e33c5..6ada0548e2f 100644
--- a/icu4c/data/lt.txt
+++ b/icu4c/data/lt.txt
@@ -52,7 +52,7 @@ lt {
     Languages { 
         lt { "Lietuvi\u0159" }
     }
-    LocaleID { "0427" }
+    LocaleID { "27" }
     LocaleString { "lt" }
     MonthAbbreviations { 
             "Sau",
diff --git a/icu4c/data/lt_LT.txt b/icu4c/data/lt_LT.txt
index 72f2d40b2b3..647b6a93962 100644
--- a/icu4c/data/lt_LT.txt
+++ b/icu4c/data/lt_LT.txt
@@ -18,4 +18,5 @@ lt_LT {
             "#,##%",
     }
     ShortCountry { "LTU" }
+    LocaleID { "0427" }
 }
diff --git a/icu4c/data/lv.txt b/icu4c/data/lv.txt
index 599768cbd5a..65967906005 100644
--- a/icu4c/data/lv.txt
+++ b/icu4c/data/lv.txt
@@ -52,7 +52,7 @@ lv {
     Languages { 
         lv { "Latvie\u0161u" }
     }
-    LocaleID { "0426" }
+    LocaleID { "26" }
     LocaleString { "lv" }
     MonthAbbreviations { 
             "Jan",
diff --git a/icu4c/data/lv_LV.txt b/icu4c/data/lv_LV.txt
index 4c781ae6a25..efdbc1f41a4 100644
--- a/icu4c/data/lv_LV.txt
+++ b/icu4c/data/lv_LV.txt
@@ -18,4 +18,5 @@ lv_LV {
             "#,##0%",
     }
     ShortCountry { "LVA" }
+    LocaleID { "0426" }
 }
diff --git a/icu4c/data/mk.txt b/icu4c/data/mk.txt
index 35a491a168c..773708387f8 100644
--- a/icu4c/data/mk.txt
+++ b/icu4c/data/mk.txt
@@ -69,7 +69,7 @@ mk {
     Languages { 
         mk { "\u043C\u0430\u043A\u0435\u0434\u043E\u034D\u0441\u043A\u0438" }
     }
-    LocaleID { "042f" }
+    LocaleID { "2f" }
     LocaleString { "mk" }
     MonthAbbreviations { 
             "\u0458\u0430\u043D.",
diff --git a/icu4c/data/mk_MK.txt b/icu4c/data/mk_MK.txt
index af1c6d7c2b0..d7da98be204 100644
--- a/icu4c/data/mk_MK.txt
+++ b/icu4c/data/mk_MK.txt
@@ -18,4 +18,5 @@ mk_MK {
             "#,##0%",
     }
     ShortCountry { "MKD" }
+    LocaleID { "042f" }
 }
diff --git a/icu4c/data/mr.txt b/icu4c/data/mr.txt
index bc2db01d72e..b3985e91cff 100644
--- a/icu4c/data/mr.txt
+++ b/icu4c/data/mr.txt
@@ -1,6 +1,7 @@
 // Copyright (c) 1998-2000 IBM, Inc.
 
 mr {
+   LocaleID { "4e" }
     Version { "0.1" }
     ShortLanguage { mar }
     Languages {
diff --git a/icu4c/data/mr_IN.txt b/icu4c/data/mr_IN.txt
index b3e097b8300..7eabfccb214 100644
--- a/icu4c/data/mr_IN.txt
+++ b/icu4c/data/mr_IN.txt
@@ -2,6 +2,7 @@
 // Marathi locale.  Based on Hindi locale
 
 mr_IN {
+      LocaleID { "044e" }
     ShortCountry { IND }
 
     CurrencyElements {
diff --git a/icu4c/data/nl.txt b/icu4c/data/nl.txt
index 74ab60341b8..323aca7181d 100644
--- a/icu4c/data/nl.txt
+++ b/icu4c/data/nl.txt
@@ -46,7 +46,7 @@ nl {
     Languages { 
         nl { "Nederlands" }
     }
-    LocaleID { "0413" }
+    LocaleID { "13" }
     LocaleString { "nl" }
     MonthAbbreviations { 
             "jan",
diff --git a/icu4c/data/nl_NL.txt b/icu4c/data/nl_NL.txt
index bca43affd1a..128074bb29f 100644
--- a/icu4c/data/nl_NL.txt
+++ b/icu4c/data/nl_NL.txt
@@ -18,4 +18,5 @@ nl_NL {
             "#,##0%",
     }
     ShortCountry { "NLD" }
+    LocaleID { "0413" }
 }
diff --git a/icu4c/data/no.txt b/icu4c/data/no.txt
index 05a19879f0f..10d9f6e0cf1 100644
--- a/icu4c/data/no.txt
+++ b/icu4c/data/no.txt
@@ -52,7 +52,7 @@ no {
     Languages { 
         no { "norsk" }
     }
-    LocaleID { "0414" }
+    LocaleID { "14" }
     LocaleString { "no" }
     MonthAbbreviations { 
             "jan",
diff --git a/icu4c/data/no_NO.txt b/icu4c/data/no_NO.txt
index 31a0af0ac30..2446c1f49d7 100644
--- a/icu4c/data/no_NO.txt
+++ b/icu4c/data/no_NO.txt
@@ -18,4 +18,5 @@ no_NO {
             "#,##0%",
     }
     ShortCountry { "NOR" }
+    LocaleID { "0414" }
 }
diff --git a/icu4c/data/pl.txt b/icu4c/data/pl.txt
index 90f0e380e6a..5dddf0ed3b2 100644
--- a/icu4c/data/pl.txt
+++ b/icu4c/data/pl.txt
@@ -57,7 +57,7 @@ pl {
     Languages { 
         pl { "polski" }
     }
-    LocaleID { "0415" }
+    LocaleID { "15" }
     LocaleString { "pl" }
     MonthAbbreviations { 
             "sty",
diff --git a/icu4c/data/pl_PL.txt b/icu4c/data/pl_PL.txt
index 7d65a682a68..ab6505f0160 100644
--- a/icu4c/data/pl_PL.txt
+++ b/icu4c/data/pl_PL.txt
@@ -18,4 +18,5 @@ pl_PL {
             "#,##0%",
     }
     ShortCountry { "POL" }
+    LocaleID { "0415" }
 }
diff --git a/icu4c/data/pt.txt b/icu4c/data/pt.txt
index a1cd7ed7b9f..53d5be02fab 100644
--- a/icu4c/data/pt.txt
+++ b/icu4c/data/pt.txt
@@ -46,7 +46,7 @@ pt {
     Languages { 
         pt { "portugu\u00EAs" }
     }
-    LocaleID { "0816" }
+    LocaleID { "16" }
     LocaleString { "pt" }
     MonthAbbreviations { 
             "Jan",
diff --git a/icu4c/data/pt_PT.txt b/icu4c/data/pt_PT.txt
index 8b759d4629a..3152f5704bc 100644
--- a/icu4c/data/pt_PT.txt
+++ b/icu4c/data/pt_PT.txt
@@ -18,4 +18,5 @@ pt_PT {
             "#,##0%",
     }
     ShortCountry { "PRT" }
+    LocaleID { "0816" }
 }
diff --git a/icu4c/data/ro.txt b/icu4c/data/ro.txt
index 0f3d70d251f..3c1cda281e8 100644
--- a/icu4c/data/ro.txt
+++ b/icu4c/data/ro.txt
@@ -52,7 +52,7 @@ ro {
     Languages { 
         ro { "rom\u00E2n\u0103" }
     }
-    LocaleID { "0418" }
+    LocaleID { "18" }
     LocaleString { "ro" }
     MonthAbbreviations { 
             "Ian",
diff --git a/icu4c/data/ro_RO.txt b/icu4c/data/ro_RO.txt
index 33c989c3d16..cac72649688 100644
--- a/icu4c/data/ro_RO.txt
+++ b/icu4c/data/ro_RO.txt
@@ -18,4 +18,5 @@ ro_RO {
             "#,##0%",
     }
     ShortCountry { "ROM" }
+    LocaleID { "0418" }
 }
diff --git a/icu4c/data/root.txt b/icu4c/data/root.txt
index e938abc714d..42f2d53be29 100644
--- a/icu4c/data/root.txt
+++ b/icu4c/data/root.txt
@@ -1025,7 +1025,7 @@ root {
         zu  { "Zulu" }     
         zun { "Zuni" }          
     }
-    LocaleID { "0409" }
+    LocaleID { "0000" }
     LocaleString { "en" }
     MonthAbbreviations { 
             "Jan",
diff --git a/icu4c/data/ru.txt b/icu4c/data/ru.txt
index ecb47fb0097..6600fac4357 100644
--- a/icu4c/data/ru.txt
+++ b/icu4c/data/ru.txt
@@ -73,7 +73,7 @@ ru {
     Languages { 
         ru { "\u0440\u0443\u0441\u0441\u043A\u0438\u0439" }
     }
-    LocaleID { "0419" }
+    LocaleID { "19" }
     LocaleString { "ru" }
     MonthAbbreviations { 
             "\u044F\u043D\u0432",
diff --git a/icu4c/data/ru_RU.txt b/icu4c/data/ru_RU.txt
index 22ea5cd86b9..1dc1a92c303 100644
--- a/icu4c/data/ru_RU.txt
+++ b/icu4c/data/ru_RU.txt
@@ -18,4 +18,5 @@ ru_RU {
             "#,##0%",
     }
     ShortCountry { "RUS" }
+    LocaleID { "0419" }
 }
diff --git a/icu4c/data/sh.txt b/icu4c/data/sh.txt
index dd7955071e8..0050a7f56a6 100644
--- a/icu4c/data/sh.txt
+++ b/icu4c/data/sh.txt
@@ -299,7 +299,7 @@ sh {
         ji { "Jidi\u0161" }
         yi { "Jidi\u0161" }
     }
-    LocaleID { "081a" }
+    LocaleID { "1a" }
     LocaleString { "sh" }
     MonthAbbreviations { 
             "Jan",
diff --git a/icu4c/data/sh_YU.txt b/icu4c/data/sh_YU.txt
index 03d27f6f252..0bd28b23a3d 100644
--- a/icu4c/data/sh_YU.txt
+++ b/icu4c/data/sh_YU.txt
@@ -14,4 +14,5 @@ sh_YU {
     LocaleString { "sh_YU" }
     /* Discarding duplicate data for tag: NumberPatterns */
     ShortCountry { "YUG" }
+    LocaleID { "081a" }
 }
diff --git a/icu4c/data/sk.txt b/icu4c/data/sk.txt
index 33e78c1318f..7d680d152a2 100644
--- a/icu4c/data/sk.txt
+++ b/icu4c/data/sk.txt
@@ -53,7 +53,7 @@ sk {
     Languages { 
         sk { "Sloven\u010Dina" }
     }
-    LocaleID { "041b" }
+    LocaleID { "1b" }
     LocaleString { "sk" }
     MonthAbbreviations { 
             "jan",
diff --git a/icu4c/data/sk_SK.txt b/icu4c/data/sk_SK.txt
index 5008981b01b..a317cb80f11 100644
--- a/icu4c/data/sk_SK.txt
+++ b/icu4c/data/sk_SK.txt
@@ -18,4 +18,5 @@ sk_SK {
             "#,##0%",
     }
     ShortCountry { "SVK" }
+    LocaleID { "041b" }
 }
diff --git a/icu4c/data/sl.txt b/icu4c/data/sl.txt
index f12406d642d..45b3de4f5f9 100644
--- a/icu4c/data/sl.txt
+++ b/icu4c/data/sl.txt
@@ -53,7 +53,7 @@ sl {
     Languages { 
         sl { "Sloven\u0161\u010Dina" }
     }
-    LocaleID { "0424" }
+    LocaleID { "24" }
     LocaleString { "sl" }
     MonthAbbreviations { 
             "jan",
diff --git a/icu4c/data/sl_SI.txt b/icu4c/data/sl_SI.txt
index 20f434ab836..263f00f7846 100644
--- a/icu4c/data/sl_SI.txt
+++ b/icu4c/data/sl_SI.txt
@@ -18,4 +18,5 @@ sl_SI {
             "#,##0%",
     }
     ShortCountry { "SVN" }
+    LocaleID { "0424" }
 }
diff --git a/icu4c/data/sq.txt b/icu4c/data/sq.txt
index c12aad0e503..1a786a83808 100644
--- a/icu4c/data/sq.txt
+++ b/icu4c/data/sq.txt
@@ -54,7 +54,7 @@ sq {
     Languages { 
         sq { "shqipe" }
     }
-    LocaleID { "041c" }
+    LocaleID { "1c" }
     LocaleString { "sq" }
     MonthAbbreviations { 
             "Jan",
diff --git a/icu4c/data/sq_AL.txt b/icu4c/data/sq_AL.txt
index cf386034782..e6c74bd4926 100644
--- a/icu4c/data/sq_AL.txt
+++ b/icu4c/data/sq_AL.txt
@@ -18,4 +18,5 @@ sq_AL {
             "#,##0%",
     }
     ShortCountry { "ALB" }
+    LocaleID { "041c" }
 }
diff --git a/icu4c/data/sr.txt b/icu4c/data/sr.txt
index 916183d2e28..94b14bff7c0 100644
--- a/icu4c/data/sr.txt
+++ b/icu4c/data/sr.txt
@@ -317,7 +317,7 @@ Languages {
         ji { "\u0408\u0438\u0434\u0438\u0448" }
         yi { "\u0408\u0438\u0434\u0438\u0448" }
     }
-    LocaleID { "0c1a" }
+    LocaleID { "1a" }
     LocaleString { "sr" }
     MonthAbbreviations { 
             "\u0408\u0430\u043D",
diff --git a/icu4c/data/sr_YU.txt b/icu4c/data/sr_YU.txt
index ebf23416965..870419f91e3 100644
--- a/icu4c/data/sr_YU.txt
+++ b/icu4c/data/sr_YU.txt
@@ -14,4 +14,5 @@ sr_YU {
     LocaleString { "sr_YU" }
     /* Discarding duplicate data for tag: NumberPatterns */
     ShortCountry { "YUG" }
+    LocaleID { "0c1a" }
 }
diff --git a/icu4c/data/sv.txt b/icu4c/data/sv.txt
index fbe1c9a17c6..de149b59bc7 100644
--- a/icu4c/data/sv.txt
+++ b/icu4c/data/sv.txt
@@ -52,7 +52,7 @@ sv {
     Languages { 
         sv { "svenska" }
     }
-    LocaleID { "041d" }
+    LocaleID { "1d" }
     LocaleString { "sv" }
     MonthAbbreviations { 
             "jan",
diff --git a/icu4c/data/sv_FI.txt b/icu4c/data/sv_FI.txt
index 53a84ae3550..dd46b5f1858 100644
--- a/icu4c/data/sv_FI.txt
+++ b/icu4c/data/sv_FI.txt
@@ -17,4 +17,5 @@ sv_FI {
             "#,##0%",
     }
     ShortCountry { "FIN" }
+    LocaleID { "081d" }
 }
\ No newline at end of file
diff --git a/icu4c/data/sv_SE.txt b/icu4c/data/sv_SE.txt
index 908dead92af..7aecda03180 100644
--- a/icu4c/data/sv_SE.txt
+++ b/icu4c/data/sv_SE.txt
@@ -18,4 +18,5 @@ sv_SE {
             "#,##0%",
     }
     ShortCountry { "SWE" }
+    LocaleID { "041d" }
 }
diff --git a/icu4c/data/ta.txt b/icu4c/data/ta.txt
index 0b5f10eea0f..2c5b435c81d 100644
--- a/icu4c/data/ta.txt
+++ b/icu4c/data/ta.txt
@@ -1,6 +1,7 @@
 // Copyright (c) 1998-2000 IBM, Inc.
 
 ta {
+   LocaleID { "49" }
     Version { "0.1" }
     ShortLanguage { tam }
     Languages {
diff --git a/icu4c/data/ta_IN.txt b/icu4c/data/ta_IN.txt
index cdae14ea674..42ef20b861b 100644
--- a/icu4c/data/ta_IN.txt
+++ b/icu4c/data/ta_IN.txt
@@ -2,6 +2,7 @@
 // Tamil locale.  Based on Hindi locale
 
 ta_IN {
+   LocaleID { "449" }
     ShortCountry { IND }
 
     CurrencyElements {
diff --git a/icu4c/data/th.txt b/icu4c/data/th.txt
index 2aa84546d2c..2210c424fd7 100644
--- a/icu4c/data/th.txt
+++ b/icu4c/data/th.txt
@@ -196,7 +196,7 @@ th {
     Languages { 
         th { "\u0E44\u0E17\u0E22" }
     }
-    LocaleID { "041e" }
+    LocaleID { "1e" }
     LocaleString { "th" }
     MonthAbbreviations { 
             "\u0E21.\u0E04.",
diff --git a/icu4c/data/th_TH.txt b/icu4c/data/th_TH.txt
index 1830f81b710..787cc656121 100644
--- a/icu4c/data/th_TH.txt
+++ b/icu4c/data/th_TH.txt
@@ -18,4 +18,5 @@ th_TH {
             "#,##0%",
     }
     ShortCountry { "THA" }
+    LocaleID { "041e" }
 }
diff --git a/icu4c/data/tr.txt b/icu4c/data/tr.txt
index 4d6601978f1..0ef13d733ca 100644
--- a/icu4c/data/tr.txt
+++ b/icu4c/data/tr.txt
@@ -52,7 +52,7 @@ tr {
     Languages { 
         tr { "T\u00FCrk\u00E7e" }
     }
-    LocaleID { "041f" }
+    LocaleID { "1f" }
     LocaleString { "tr" }
     MonthAbbreviations { 
             "Oca",
diff --git a/icu4c/data/tr_TR.txt b/icu4c/data/tr_TR.txt
index 19b5b4dde4e..9199db2f11e 100644
--- a/icu4c/data/tr_TR.txt
+++ b/icu4c/data/tr_TR.txt
@@ -18,4 +18,5 @@ tr_TR {
             "#,##0%",
     }
     ShortCountry { "TUR" }
+    LocaleID { "041f" }
 }
diff --git a/icu4c/data/uk.txt b/icu4c/data/uk.txt
index b5edc5c4176..97556bb9a58 100644
--- a/icu4c/data/uk.txt
+++ b/icu4c/data/uk.txt
@@ -69,7 +69,7 @@ uk {
     Languages { 
         uk { "\u0443\u043A\u0440\u0430\u0457\u043D\u0441\u044C\u043A\u0430" }
     }
-    LocaleID { "0422" }
+    LocaleID { "22" }
     LocaleString { "uk" }
     MonthAbbreviations { 
             "\u0441\u0456\u0447",
diff --git a/icu4c/data/uk_UA.txt b/icu4c/data/uk_UA.txt
index 39c65855d6b..ab277a52dcc 100644
--- a/icu4c/data/uk_UA.txt
+++ b/icu4c/data/uk_UA.txt
@@ -18,4 +18,5 @@ uk_UA {
             "#,##0%",
     }
     ShortCountry { "UKR" }
+    LocaleID { "0422" }
 }
diff --git a/icu4c/data/vi_VN.txt b/icu4c/data/vi_VN.txt
index 51298e76285..103eef0b584 100644
--- a/icu4c/data/vi_VN.txt
+++ b/icu4c/data/vi_VN.txt
@@ -11,7 +11,7 @@ vi_VN {
             "D ",
             ",",
     }
-    LocaleID { "242A" }
+    LocaleID { "042A" }
     LocaleString { "vi_VN" }
     ShortCountry { "VNM" }
 }
diff --git a/icu4c/data/zh.txt b/icu4c/data/zh.txt
index 65b7d57a99a..29a73a68514 100644
--- a/icu4c/data/zh.txt
+++ b/icu4c/data/zh.txt
@@ -878,7 +878,7 @@ zh {
     Languages { 
         zh { "\u4E2D\u6587" }
     }
-    LocaleID { "0804" }
+    LocaleID { "04" }
     LocaleString { "zh" }
     MonthAbbreviations { 
             "\u4E00\u6708",
diff --git a/icu4c/data/zh_CN.txt b/icu4c/data/zh_CN.txt
index eddc09d81c6..2a879a938bd 100644
--- a/icu4c/data/zh_CN.txt
+++ b/icu4c/data/zh_CN.txt
@@ -23,4 +23,6 @@ zh_CN {
         TW { "\u53F0\u6E7E" }
         HK { "\u9999\u6E2F" }
     }
+    LocaleID { "0804" }
 }
+
diff --git a/icu4c/source/data/locales/ar.txt b/icu4c/source/data/locales/ar.txt
index 6fdc4383a3b..ed5adf5fc22 100644
--- a/icu4c/source/data/locales/ar.txt
+++ b/icu4c/source/data/locales/ar.txt
@@ -94,7 +94,7 @@ ar {
     Languages { 
         ar { "\u0627\u0644\u0639\u0631\u0628\u064A\u0629" }
     }
-    LocaleID { "0c01" }
+    LocaleID { "01" }
     LocaleString { "ar" }
     MonthAbbreviations { 
             "\u064A\u0646\u0627",
diff --git a/icu4c/source/data/locales/ar_AE.txt b/icu4c/source/data/locales/ar_AE.txt
index e10fee66f37..fee2a30715f 100644
--- a/icu4c/source/data/locales/ar_AE.txt
+++ b/icu4c/source/data/locales/ar_AE.txt
@@ -13,4 +13,5 @@ ar_AE {
     }
     LocaleString { "ar_AE" }
     ShortCountry { "ARE" }
+    LocaleID { "3801" }
 }
diff --git a/icu4c/source/data/locales/ar_BH.txt b/icu4c/source/data/locales/ar_BH.txt
index efbe873efb1..7b88493e3b9 100644
--- a/icu4c/source/data/locales/ar_BH.txt
+++ b/icu4c/source/data/locales/ar_BH.txt
@@ -13,4 +13,5 @@ ar_BH {
     }
     LocaleString { "ar_BH" }
     ShortCountry { "BHR" }
+    LocaleID { "3c01" }
 }
diff --git a/icu4c/source/data/locales/ar_DZ.txt b/icu4c/source/data/locales/ar_DZ.txt
index d3b85957bc9..b0850c821f7 100644
--- a/icu4c/source/data/locales/ar_DZ.txt
+++ b/icu4c/source/data/locales/ar_DZ.txt
@@ -13,4 +13,5 @@ ar_DZ {
     }
     LocaleString { "ar_DZ" }
     ShortCountry { "DZA" }
+    LocaleID { "1401" }
 }
diff --git a/icu4c/source/data/locales/ar_EG.txt b/icu4c/source/data/locales/ar_EG.txt
index fa4b3c74e90..1fbd7903e1f 100644
--- a/icu4c/source/data/locales/ar_EG.txt
+++ b/icu4c/source/data/locales/ar_EG.txt
@@ -13,4 +13,5 @@ ar_EG {
     }
     LocaleString { "ar_EG" }
     ShortCountry { "EGY" }
+    LocaleID { "0c01" }
 }
diff --git a/icu4c/source/data/locales/ar_IQ.txt b/icu4c/source/data/locales/ar_IQ.txt
index cf2634c1ff1..bc2d7fd0918 100644
--- a/icu4c/source/data/locales/ar_IQ.txt
+++ b/icu4c/source/data/locales/ar_IQ.txt
@@ -13,4 +13,5 @@ ar_IQ {
     }
     LocaleString { "ar_IQ" }
     ShortCountry { "IRQ" }
+    LocaleID { "0801" }
 }
diff --git a/icu4c/source/data/locales/ar_JO.txt b/icu4c/source/data/locales/ar_JO.txt
index 8d602c66795..324e8fd8525 100644
--- a/icu4c/source/data/locales/ar_JO.txt
+++ b/icu4c/source/data/locales/ar_JO.txt
@@ -52,4 +52,5 @@ ar_JO {
             "",
     }
     ShortCountry { "JOR" }
+    LocaleID { "2c01" }
 }
diff --git a/icu4c/source/data/locales/ar_KW.txt b/icu4c/source/data/locales/ar_KW.txt
index eb4e25ece6e..a4b8d0f383b 100644
--- a/icu4c/source/data/locales/ar_KW.txt
+++ b/icu4c/source/data/locales/ar_KW.txt
@@ -13,4 +13,5 @@ ar_KW {
     }
     LocaleString { "ar_KW" }
     ShortCountry { "KWT" }
+    LocaleID { "3401" }
 }
diff --git a/icu4c/source/data/locales/ar_LB.txt b/icu4c/source/data/locales/ar_LB.txt
index 31f377e8d27..ea0ee2f9a2c 100644
--- a/icu4c/source/data/locales/ar_LB.txt
+++ b/icu4c/source/data/locales/ar_LB.txt
@@ -52,4 +52,5 @@ ar_LB {
             "",
     }
     ShortCountry { "LBN" }
+    LocaleID { "3001" }
 }
diff --git a/icu4c/source/data/locales/ar_LY.txt b/icu4c/source/data/locales/ar_LY.txt
index ec7b1d9be0d..b19a1cab8ed 100644
--- a/icu4c/source/data/locales/ar_LY.txt
+++ b/icu4c/source/data/locales/ar_LY.txt
@@ -13,4 +13,5 @@ ar_LY {
     }
     LocaleString { "ar_LY" }
     ShortCountry { "LBY" }
+    LocaleID { "1001" }
 }
diff --git a/icu4c/source/data/locales/ar_MA.txt b/icu4c/source/data/locales/ar_MA.txt
index 7948e28d6ef..63beb43ce60 100644
--- a/icu4c/source/data/locales/ar_MA.txt
+++ b/icu4c/source/data/locales/ar_MA.txt
@@ -13,4 +13,5 @@ ar_MA {
     }
     LocaleString { "ar_MA" }
     ShortCountry { "MAR" }
+    LocaleID { "1801" }
 }
diff --git a/icu4c/source/data/locales/ar_OM.txt b/icu4c/source/data/locales/ar_OM.txt
index 0cd538a3c0c..174120658e4 100644
--- a/icu4c/source/data/locales/ar_OM.txt
+++ b/icu4c/source/data/locales/ar_OM.txt
@@ -13,4 +13,5 @@ ar_OM {
     }
     LocaleString { "ar_OM" }
     ShortCountry { "OMN" }
+    LocaleID { "2001" }
 }
diff --git a/icu4c/source/data/locales/ar_QA.txt b/icu4c/source/data/locales/ar_QA.txt
index efc60dbad4b..e5396cb25db 100644
--- a/icu4c/source/data/locales/ar_QA.txt
+++ b/icu4c/source/data/locales/ar_QA.txt
@@ -13,4 +13,5 @@ ar_QA {
     }
     LocaleString { "ar_QA" }
     ShortCountry { "QAT" }
+    LocaleID { "4001" }
 }
diff --git a/icu4c/source/data/locales/ar_SA.txt b/icu4c/source/data/locales/ar_SA.txt
index 8eb8cbd1b9e..97a1abbf1e7 100644
--- a/icu4c/source/data/locales/ar_SA.txt
+++ b/icu4c/source/data/locales/ar_SA.txt
@@ -13,4 +13,5 @@ ar_SA {
     }
     LocaleString { "ar_SA" }
     ShortCountry { "SAU" }
+    LocaleID { "0401" }
 }
diff --git a/icu4c/source/data/locales/ar_SY.txt b/icu4c/source/data/locales/ar_SY.txt
index 4bf02f1e55e..b92f1da049e 100644
--- a/icu4c/source/data/locales/ar_SY.txt
+++ b/icu4c/source/data/locales/ar_SY.txt
@@ -52,4 +52,5 @@ ar_SY {
             "",
     }
     ShortCountry { "SYR" }
+    LocaleID { "2801" }
 }
diff --git a/icu4c/source/data/locales/ar_TN.txt b/icu4c/source/data/locales/ar_TN.txt
index f96eaa7fad0..e2797232d93 100644
--- a/icu4c/source/data/locales/ar_TN.txt
+++ b/icu4c/source/data/locales/ar_TN.txt
@@ -13,4 +13,5 @@ ar_TN {
     }
     LocaleString { "ar_TN" }
     ShortCountry { "TUN" }
+    LocaleID { "1c01" }
 }
diff --git a/icu4c/source/data/locales/ar_YE.txt b/icu4c/source/data/locales/ar_YE.txt
index eff67637aa6..4f07bb1e8d8 100644
--- a/icu4c/source/data/locales/ar_YE.txt
+++ b/icu4c/source/data/locales/ar_YE.txt
@@ -13,4 +13,5 @@ ar_YE {
     }
     LocaleString { "ar_YE" }
     ShortCountry { "YEM" }
+    LocaleID { "2401" }
 }
diff --git a/icu4c/source/data/locales/be.txt b/icu4c/source/data/locales/be.txt
index 90e5aecead8..9637eb17081 100644
--- a/icu4c/source/data/locales/be.txt
+++ b/icu4c/source/data/locales/be.txt
@@ -69,7 +69,7 @@ be {
     Languages { 
         be { "\u0431\u0435\u043B\u0430\u0440\u0443\u0441\u043A\u0456" }
     }
-    LocaleID { "0423" }
+    LocaleID { "23" }
     LocaleString { "be" }
     MonthAbbreviations { 
             "\u0441\u0442\u0434",
diff --git a/icu4c/source/data/locales/be_BY.txt b/icu4c/source/data/locales/be_BY.txt
index a185c4e5553..ed3c7ee6ed5 100644
--- a/icu4c/source/data/locales/be_BY.txt
+++ b/icu4c/source/data/locales/be_BY.txt
@@ -18,4 +18,5 @@ be_BY {
             "#,##0%",
     }
     ShortCountry { "BLR" }
+    LocaleID { "0423" }
 }
diff --git a/icu4c/source/data/locales/bg.txt b/icu4c/source/data/locales/bg.txt
index 2754cdc9159..639948803c5 100644
--- a/icu4c/source/data/locales/bg.txt
+++ b/icu4c/source/data/locales/bg.txt
@@ -69,7 +69,7 @@ bg {
     Languages { 
         bg { "\u0431\u044A\u043B\u0433\u0430\u0440\u0441\u043A\u0438" }
     }
-    LocaleID { "0402" }
+    LocaleID { "02" }
     LocaleString { "bg" }
     MonthAbbreviations { 
             "I",
diff --git a/icu4c/source/data/locales/bg_BG.txt b/icu4c/source/data/locales/bg_BG.txt
index 1055caad195..815e608a4db 100644
--- a/icu4c/source/data/locales/bg_BG.txt
+++ b/icu4c/source/data/locales/bg_BG.txt
@@ -18,4 +18,5 @@ bg_BG {
             "#,##0%",
     }
     ShortCountry { "BGR" }
+    LocaleID { "0402" }
 }
diff --git a/icu4c/source/data/locales/ca.txt b/icu4c/source/data/locales/ca.txt
index 4487d11e159..25465237a3a 100644
--- a/icu4c/source/data/locales/ca.txt
+++ b/icu4c/source/data/locales/ca.txt
@@ -46,7 +46,7 @@ ca {
     Languages { 
         ca { "catal\u00E0" }
     }
-    LocaleID { "0403" }
+    LocaleID { "03" }
     LocaleString { "ca" }
     MonthAbbreviations { 
             "gen.",
diff --git a/icu4c/source/data/locales/ca_ES.txt b/icu4c/source/data/locales/ca_ES.txt
index f685b73ec16..4dcbac72552 100644
--- a/icu4c/source/data/locales/ca_ES.txt
+++ b/icu4c/source/data/locales/ca_ES.txt
@@ -18,4 +18,5 @@ ca_ES {
             "#,##0%",
     }
     ShortCountry { "ESP" }
+    LocaleID { "0403" }
 }
diff --git a/icu4c/source/data/locales/cs.txt b/icu4c/source/data/locales/cs.txt
index 05db197846d..4536bfd147f 100644
--- a/icu4c/source/data/locales/cs.txt
+++ b/icu4c/source/data/locales/cs.txt
@@ -56,7 +56,7 @@ cs {
     Languages { 
         cs { "\u010De\u0161tina" }
     }
-    LocaleID { "0405" }
+    LocaleID { "05" }
     LocaleString { "cs" }
     MonthAbbreviations { 
             "I",
diff --git a/icu4c/source/data/locales/cs_CZ.txt b/icu4c/source/data/locales/cs_CZ.txt
index 3111600e2fe..da01045b32a 100644
--- a/icu4c/source/data/locales/cs_CZ.txt
+++ b/icu4c/source/data/locales/cs_CZ.txt
@@ -18,4 +18,5 @@ cs_CZ {
             "#,##0%",
     }
     ShortCountry { "CZE" }
+    LocaleID { "0405" }
 }
diff --git a/icu4c/source/data/locales/da.txt b/icu4c/source/data/locales/da.txt
index a658e35523e..165fccef498 100644
--- a/icu4c/source/data/locales/da.txt
+++ b/icu4c/source/data/locales/da.txt
@@ -52,7 +52,7 @@ da {
     Languages { 
         da { "dansk" }
     }
-    LocaleID { "0406" }
+    LocaleID { "06" }
     LocaleString { "da" }
     MonthAbbreviations { 
             "jan",
diff --git a/icu4c/source/data/locales/da_DK.txt b/icu4c/source/data/locales/da_DK.txt
index d3bd0c89311..09c94b9961b 100644
--- a/icu4c/source/data/locales/da_DK.txt
+++ b/icu4c/source/data/locales/da_DK.txt
@@ -18,4 +18,5 @@ da_DK {
             "#,##0%",
     }
     ShortCountry { "DNK" }
+    LocaleID { "0406" }
 }
diff --git a/icu4c/source/data/locales/de.txt b/icu4c/source/data/locales/de.txt
index 21cee05fc54..04e264a7694 100644
--- a/icu4c/source/data/locales/de.txt
+++ b/icu4c/source/data/locales/de.txt
@@ -446,7 +446,7 @@ de {
         // ? za { "Zhuang" }
         // same as in root?? zu { "Zulu" }
     }
-    LocaleID { "0407" }
+    LocaleID { "07" }
     LocaleString { "de" }
     MonthAbbreviations { 
             "Jan",
diff --git a/icu4c/source/data/locales/de_DE.txt b/icu4c/source/data/locales/de_DE.txt
index f6cb20e9cc0..58143cfcb55 100644
--- a/icu4c/source/data/locales/de_DE.txt
+++ b/icu4c/source/data/locales/de_DE.txt
@@ -18,4 +18,5 @@ de_DE {
             "#,##0%",
     }
     ShortCountry { "DEU" }
+    LocaleID { "0407" }
 }
diff --git a/icu4c/source/data/locales/de_LU.txt b/icu4c/source/data/locales/de_LU.txt
index 401db7d4db5..798df86150a 100644
--- a/icu4c/source/data/locales/de_LU.txt
+++ b/icu4c/source/data/locales/de_LU.txt
@@ -18,4 +18,5 @@ de_LU {
             "#,##0%",
     }
     ShortCountry { "LUX" }
+    LocaleID { "1007" }
 }
diff --git a/icu4c/source/data/locales/el.txt b/icu4c/source/data/locales/el.txt
index ab9442efa76..aab7b24a1af 100644
--- a/icu4c/source/data/locales/el.txt
+++ b/icu4c/source/data/locales/el.txt
@@ -66,7 +66,7 @@ el {
     Languages { 
         el { "\u03B5\u03BB\u03BB\u03B7\u03BD\u03B9\u03BA\u03AC" }
     }
-    LocaleID { "0408" }
+    LocaleID { "08" }
     LocaleString { "el" }
     MonthAbbreviations { 
             "\u0399\u03B1\u03BD",
diff --git a/icu4c/source/data/locales/el_GR.txt b/icu4c/source/data/locales/el_GR.txt
index 168f35c4a63..ab7fbf4ab48 100644
--- a/icu4c/source/data/locales/el_GR.txt
+++ b/icu4c/source/data/locales/el_GR.txt
@@ -18,4 +18,5 @@ el_GR {
             "#,##0%",
     }
     ShortCountry { "GRC" }
+    LocaleID { "0408" }
 }
diff --git a/icu4c/source/data/locales/en.txt b/icu4c/source/data/locales/en.txt
index 93bd5833ba7..a83d9ed0080 100644
--- a/icu4c/source/data/locales/en.txt
+++ b/icu4c/source/data/locales/en.txt
@@ -226,4 +226,5 @@ en {
                 "CDT",
         }
     }
+    LocaleID { "09" }
 }
diff --git a/icu4c/source/data/locales/en_BE.txt b/icu4c/source/data/locales/en_BE.txt
index 7b4f6a974e4..608b64698db 100644
--- a/icu4c/source/data/locales/en_BE.txt
+++ b/icu4c/source/data/locales/en_BE.txt
@@ -32,7 +32,6 @@ en_BE {
             "dd/MM/yy",
             "{1} {0}",
     }
-    LocaleID { "0809" }
     LocaleString { "en_BE" }
     NumberElements {
             ",",
diff --git a/icu4c/source/data/locales/en_US.txt b/icu4c/source/data/locales/en_US.txt
index 6a9bffea5b6..5ad0695e704 100644
--- a/icu4c/source/data/locales/en_US.txt
+++ b/icu4c/source/data/locales/en_US.txt
@@ -18,4 +18,5 @@ en_US {
             "#,##0%",
     }
     ShortCountry { "USA" }
+    LocaleID { "0409" }
 }
diff --git a/icu4c/source/data/locales/eo.txt b/icu4c/source/data/locales/eo.txt
index 0c63ca7cd9e..22cfa55a803 100644
--- a/icu4c/source/data/locales/eo.txt
+++ b/icu4c/source/data/locales/eo.txt
@@ -87,7 +87,7 @@ eo {
         sv { "sveda" }
         tr { "turka" }
     }
-    LocaleID { "07e0" }
+    //LocaleID { "07e0" }
     LocaleString { "eo" }
     MonthAbbreviations { 
             "jan",
diff --git a/icu4c/source/data/locales/es.txt b/icu4c/source/data/locales/es.txt
index b931cfc50ae..e8e5b8c9a43 100644
--- a/icu4c/source/data/locales/es.txt
+++ b/icu4c/source/data/locales/es.txt
@@ -68,7 +68,7 @@ es {
     Languages { 
         es { "espa\u00F1ol" }
     }
-    LocaleID { "0c0a" }
+    LocaleID { "0a" }
     LocaleString { "es" }
     MonthAbbreviations { 
             "ene",
diff --git a/icu4c/source/data/locales/es_ES.txt b/icu4c/source/data/locales/es_ES.txt
index 73ae737ce79..48713fe286c 100644
--- a/icu4c/source/data/locales/es_ES.txt
+++ b/icu4c/source/data/locales/es_ES.txt
@@ -18,4 +18,5 @@ es_ES {
             "#,##0%",
     }
     ShortCountry { "ESP" }
+    LocaleID { "0c0a" }
 }
diff --git a/icu4c/source/data/locales/es_HN.txt b/icu4c/source/data/locales/es_HN.txt
index b6a5065295b..33c85d17eba 100644
--- a/icu4c/source/data/locales/es_HN.txt
+++ b/icu4c/source/data/locales/es_HN.txt
@@ -22,7 +22,7 @@ es_HN {
             "MM-dd-yy",
             "{1} {0}",
     }
-    LocaleID { "" }
+    LocaleID { "480a" }
     LocaleString { "es_HN" }
     NumberElements { 
             ".",
diff --git a/icu4c/source/data/locales/es_NI.txt b/icu4c/source/data/locales/es_NI.txt
index 0a96caa1219..ecb1aed9301 100644
--- a/icu4c/source/data/locales/es_NI.txt
+++ b/icu4c/source/data/locales/es_NI.txt
@@ -22,7 +22,7 @@ es_NI {
             "MM-dd-yy",
             "{1} {0}",
     }
-    LocaleID { "" }
+    LocaleID { "4c0a" }
     LocaleString { "es_NI" }
     NumberElements { 
             ".",
diff --git a/icu4c/source/data/locales/es_PR.txt b/icu4c/source/data/locales/es_PR.txt
index ae1f53484b5..970c6dd3284 100644
--- a/icu4c/source/data/locales/es_PR.txt
+++ b/icu4c/source/data/locales/es_PR.txt
@@ -22,7 +22,7 @@ es_PR {
             "MM-dd-yy",
             "{1} {0}",
     }
-    LocaleID { "" }
+    LocaleID { "500a" }
     LocaleString { "es_PR" }
     NumberElements { 
             ".",
diff --git a/icu4c/source/data/locales/es_SV.txt b/icu4c/source/data/locales/es_SV.txt
index 346a0bd7db9..d8ec65ace3e 100644
--- a/icu4c/source/data/locales/es_SV.txt
+++ b/icu4c/source/data/locales/es_SV.txt
@@ -22,7 +22,6 @@ es_SV {
             "MM-dd-yy",
             "{1} {0}",
     }
-    LocaleID { "" }
     LocaleString { "es_SV" }
     NumberElements { 
             ".",
@@ -38,4 +37,5 @@ es_SV {
             "\uFFFD",
     }
     ShortCountry { "SLV" }
+    LocaleID {"440a"}
 }
diff --git a/icu4c/source/data/locales/et.txt b/icu4c/source/data/locales/et.txt
index 69298f6b02b..fb1207b0caa 100644
--- a/icu4c/source/data/locales/et.txt
+++ b/icu4c/source/data/locales/et.txt
@@ -52,7 +52,7 @@ et {
     Languages { 
         et { "Eesti" }
     }
-    LocaleID { "0425" }
+    LocaleID { "25" }
     LocaleString { "et" }
     MonthAbbreviations { 
             "Jaan",
diff --git a/icu4c/source/data/locales/et_EE.txt b/icu4c/source/data/locales/et_EE.txt
index 833ccdabb38..47f2a630148 100644
--- a/icu4c/source/data/locales/et_EE.txt
+++ b/icu4c/source/data/locales/et_EE.txt
@@ -18,4 +18,5 @@ et_EE {
             "#,##0%",
     }
     ShortCountry { "EST" }
+    LocaleID { "0425" }
 }
diff --git a/icu4c/source/data/locales/fi.txt b/icu4c/source/data/locales/fi.txt
index f7d3c9b058f..157aee7e5e0 100644
--- a/icu4c/source/data/locales/fi.txt
+++ b/icu4c/source/data/locales/fi.txt
@@ -52,7 +52,7 @@ fi {
     Languages { 
         fi { "suomi" }
     }
-    LocaleID { "040b" }
+    LocaleID { "0b" }
     LocaleString { "f" }
     MonthAbbreviations { 
             "tammi",
diff --git a/icu4c/source/data/locales/fi_FI.txt b/icu4c/source/data/locales/fi_FI.txt
index 2c67724e64f..e5ff79b8c88 100644
--- a/icu4c/source/data/locales/fi_FI.txt
+++ b/icu4c/source/data/locales/fi_FI.txt
@@ -18,4 +18,5 @@ fi_FI {
             "#,##0%",
     }
     ShortCountry { "FIN" }
+    LocaleID { "040b" }
 }
diff --git a/icu4c/source/data/locales/fr.txt b/icu4c/source/data/locales/fr.txt
index 270cc6e2380..cc4d0178883 100644
--- a/icu4c/source/data/locales/fr.txt
+++ b/icu4c/source/data/locales/fr.txt
@@ -84,7 +84,7 @@ fr {
         sv { "su\u00E9dois" }
         tr { "turc" }
     }
-    LocaleID { "040c" }
+    LocaleID { "0c" }
     LocaleString { "fr" }
     MonthAbbreviations { 
             "janv.",
diff --git a/icu4c/source/data/locales/fr_FR.txt b/icu4c/source/data/locales/fr_FR.txt
index 4b0a588b0ae..325149b7dbe 100644
--- a/icu4c/source/data/locales/fr_FR.txt
+++ b/icu4c/source/data/locales/fr_FR.txt
@@ -13,4 +13,5 @@ fr_FR {
     }
     LocaleString { "fr_FR" }
     ShortCountry { "FRA" }
+    LocaleID { "040c" }
 }
diff --git a/icu4c/source/data/locales/fr_LU.txt b/icu4c/source/data/locales/fr_LU.txt
index 3606b499f50..cd42e18335d 100644
--- a/icu4c/source/data/locales/fr_LU.txt
+++ b/icu4c/source/data/locales/fr_LU.txt
@@ -13,4 +13,5 @@ fr_LU {
     }
     LocaleString { "fr_LU" }
     ShortCountry { "LUX" }
+    LocaleID { "140c" }
 }
diff --git a/icu4c/source/data/locales/hi.txt b/icu4c/source/data/locales/hi.txt
index 2b1bc4efa81..cb8bb6223b5 100644
--- a/icu4c/source/data/locales/hi.txt
+++ b/icu4c/source/data/locales/hi.txt
@@ -5,6 +5,7 @@
 //  -  Arundhati Bhowmick [IBM Cupertino]
 
 hi {
+    LocaleID { "39" }
       Version { "0.5" }
     ShortLanguage { hin }
     Languages {
diff --git a/icu4c/source/data/locales/hi_IN.txt b/icu4c/source/data/locales/hi_IN.txt
index dd208e0df7d..df3e2992145 100644
--- a/icu4c/source/data/locales/hi_IN.txt
+++ b/icu4c/source/data/locales/hi_IN.txt
@@ -30,5 +30,6 @@ hi_IN {
         "1"
     }
    Version { "0.3" }     
+   LocaleID { "0439" }
 
 }
\ No newline at end of file
diff --git a/icu4c/source/data/locales/hr.txt b/icu4c/source/data/locales/hr.txt
index 0af32bd695f..110188522ad 100644
--- a/icu4c/source/data/locales/hr.txt
+++ b/icu4c/source/data/locales/hr.txt
@@ -49,7 +49,7 @@ hr {
     Languages { 
         hr { "hrvatski" }
     }
-    LocaleID { "041a" }
+    LocaleID { "1a" }
     LocaleString { "hr" }
     MonthAbbreviations { 
             "sij",
diff --git a/icu4c/source/data/locales/hr_HR.txt b/icu4c/source/data/locales/hr_HR.txt
index 70da8da20b9..dba830bd686 100644
--- a/icu4c/source/data/locales/hr_HR.txt
+++ b/icu4c/source/data/locales/hr_HR.txt
@@ -18,4 +18,5 @@ hr_HR {
             "#,##0%",
     }
     ShortCountry { "HRV" }
+    LocaleID { "041a" }
 }
diff --git a/icu4c/source/data/locales/hu.txt b/icu4c/source/data/locales/hu.txt
index 43fc83ba3fe..98b8b0b77d3 100644
--- a/icu4c/source/data/locales/hu.txt
+++ b/icu4c/source/data/locales/hu.txt
@@ -57,7 +57,7 @@ hu {
     Languages { 
         hu { "magyar" }
     }
-    LocaleID { "040e" }
+    LocaleID { "0e" }
     LocaleString { "hu" }
     MonthAbbreviations { 
             "jan.",
diff --git a/icu4c/source/data/locales/hu_HU.txt b/icu4c/source/data/locales/hu_HU.txt
index 86ffe1e38f3..86c57fcf489 100644
--- a/icu4c/source/data/locales/hu_HU.txt
+++ b/icu4c/source/data/locales/hu_HU.txt
@@ -18,4 +18,5 @@ hu_HU {
             "#,##0%",
     }
     ShortCountry { "HUN" }
+    LocaleID { "040e" }
 }
diff --git a/icu4c/source/data/locales/is.txt b/icu4c/source/data/locales/is.txt
index 9f4faacfbf6..7d393946f20 100644
--- a/icu4c/source/data/locales/is.txt
+++ b/icu4c/source/data/locales/is.txt
@@ -49,7 +49,7 @@ is {
     Languages { 
         is { "\u00EDslenska" }
     }
-    LocaleID { "040f" }
+    LocaleID { "0f" }
     LocaleString { "is" }
     MonthAbbreviations { 
             "jan.",
diff --git a/icu4c/source/data/locales/is_IS.txt b/icu4c/source/data/locales/is_IS.txt
index 936ae2a16af..0e7f7781dbd 100644
--- a/icu4c/source/data/locales/is_IS.txt
+++ b/icu4c/source/data/locales/is_IS.txt
@@ -18,4 +18,5 @@ is_IS {
             "#,##0%",
     }
     ShortCountry { "ISL" }
+    LocaleID { "040f" }
 }
diff --git a/icu4c/source/data/locales/it.txt b/icu4c/source/data/locales/it.txt
index 92be9062490..e90f1f47e73 100644
--- a/icu4c/source/data/locales/it.txt
+++ b/icu4c/source/data/locales/it.txt
@@ -56,7 +56,7 @@ it {
     Languages { 
         it { "italiano" }
     }
-    LocaleID { "0410" }
+    LocaleID { "10" }
     LocaleString { "it" }
     MonthAbbreviations { 
             "gen",
diff --git a/icu4c/source/data/locales/it_IT.txt b/icu4c/source/data/locales/it_IT.txt
index cd077dfdc1e..cc4d1699b4e 100644
--- a/icu4c/source/data/locales/it_IT.txt
+++ b/icu4c/source/data/locales/it_IT.txt
@@ -18,4 +18,5 @@ it_IT {
             "#,##0%",
     }
     ShortCountry { "ITA" }
+    LocaleID { "0410" }
 }
diff --git a/icu4c/source/data/locales/iw.txt b/icu4c/source/data/locales/iw.txt
index 04b599160be..47c37e760ab 100644
--- a/icu4c/source/data/locales/iw.txt
+++ b/icu4c/source/data/locales/iw.txt
@@ -61,7 +61,7 @@ iw {
     Languages { 
         iw { "\u05E2\u05D1\u05E8\u05D9\u05EA" }
     }
-    LocaleID { "040d" }
+    LocaleID { "0d" }
     LocaleString { "iw" }
     MonthAbbreviations { 
             "\u05D9\u05E0\u05D5",
diff --git a/icu4c/source/data/locales/iw_IL.txt b/icu4c/source/data/locales/iw_IL.txt
index da7ace50cd4..c33608e675c 100644
--- a/icu4c/source/data/locales/iw_IL.txt
+++ b/icu4c/source/data/locales/iw_IL.txt
@@ -18,4 +18,5 @@ iw_IL {
             "#,##0%",
     }
     ShortCountry { "ISR" }
+    LocaleID { "040d" }
 }
diff --git a/icu4c/source/data/locales/ja.txt b/icu4c/source/data/locales/ja.txt
index b9134a39596..bdd0b0ec582 100644
--- a/icu4c/source/data/locales/ja.txt
+++ b/icu4c/source/data/locales/ja.txt
@@ -830,7 +830,7 @@ ja {
     Languages { 
         ja { "\u65E5\u672C\u8A9E" }
     }
-    LocaleID { "0411" }
+    LocaleID { "11" }
     LocaleString { "ja" }
     MonthAbbreviations { 
             "1",
diff --git a/icu4c/source/data/locales/ja_JP.txt b/icu4c/source/data/locales/ja_JP.txt
index 11b29c461b3..e40f37ba07d 100644
--- a/icu4c/source/data/locales/ja_JP.txt
+++ b/icu4c/source/data/locales/ja_JP.txt
@@ -18,4 +18,5 @@ ja_JP {
             "#,##0%",
     }
     ShortCountry { "JPN" }
+    LocaleID { "0411" }
 }
diff --git a/icu4c/source/data/locales/ko.txt b/icu4c/source/data/locales/ko.txt
index 95a2fe2b339..16391fa621b 100644
--- a/icu4c/source/data/locales/ko.txt
+++ b/icu4c/source/data/locales/ko.txt
@@ -964,7 +964,7 @@ ko {
     Languages { 
         ko { "\uD55C\uAD6D\uC5B4" }
     }
-    LocaleID { "0412" }
+    LocaleID { "12" }
     LocaleString { "ko" }
     MonthAbbreviations { 
             "1\uC6D4",
diff --git a/icu4c/source/data/locales/ko_KR.txt b/icu4c/source/data/locales/ko_KR.txt
index 4f56523b74a..c9d7d067169 100644
--- a/icu4c/source/data/locales/ko_KR.txt
+++ b/icu4c/source/data/locales/ko_KR.txt
@@ -18,4 +18,5 @@ ko_KR {
             "#,##0%",
     }
     ShortCountry { "KOR" }
+    LocaleID { "0412" }
 }
diff --git a/icu4c/source/data/locales/kok.txt b/icu4c/source/data/locales/kok.txt
index edb9b7bcdd9..0eda50be9f6 100644
--- a/icu4c/source/data/locales/kok.txt
+++ b/icu4c/source/data/locales/kok.txt
@@ -1,6 +1,7 @@
 // Copyright (c) 1998-2000 IBM, Inc.
 
 kok {
+    LocaleID { "57" }
     Version { "0.1" }
     ShortLanguage { kok }
     Languages {
diff --git a/icu4c/source/data/locales/kok_IN.txt b/icu4c/source/data/locales/kok_IN.txt
index 502cf98f020..21ff10a4d19 100644
--- a/icu4c/source/data/locales/kok_IN.txt
+++ b/icu4c/source/data/locales/kok_IN.txt
@@ -2,6 +2,7 @@
 // Konkani locale
 
 kok_IN {
+    LocaleID { "0457" }
     ShortCountry { IND }
 
     CurrencyElements {
diff --git a/icu4c/source/data/locales/lt.txt b/icu4c/source/data/locales/lt.txt
index 2c3419e33c5..6ada0548e2f 100644
--- a/icu4c/source/data/locales/lt.txt
+++ b/icu4c/source/data/locales/lt.txt
@@ -52,7 +52,7 @@ lt {
     Languages { 
         lt { "Lietuvi\u0159" }
     }
-    LocaleID { "0427" }
+    LocaleID { "27" }
     LocaleString { "lt" }
     MonthAbbreviations { 
             "Sau",
diff --git a/icu4c/source/data/locales/lt_LT.txt b/icu4c/source/data/locales/lt_LT.txt
index 72f2d40b2b3..647b6a93962 100644
--- a/icu4c/source/data/locales/lt_LT.txt
+++ b/icu4c/source/data/locales/lt_LT.txt
@@ -18,4 +18,5 @@ lt_LT {
             "#,##%",
     }
     ShortCountry { "LTU" }
+    LocaleID { "0427" }
 }
diff --git a/icu4c/source/data/locales/lv.txt b/icu4c/source/data/locales/lv.txt
index 599768cbd5a..65967906005 100644
--- a/icu4c/source/data/locales/lv.txt
+++ b/icu4c/source/data/locales/lv.txt
@@ -52,7 +52,7 @@ lv {
     Languages { 
         lv { "Latvie\u0161u" }
     }
-    LocaleID { "0426" }
+    LocaleID { "26" }
     LocaleString { "lv" }
     MonthAbbreviations { 
             "Jan",
diff --git a/icu4c/source/data/locales/lv_LV.txt b/icu4c/source/data/locales/lv_LV.txt
index 4c781ae6a25..efdbc1f41a4 100644
--- a/icu4c/source/data/locales/lv_LV.txt
+++ b/icu4c/source/data/locales/lv_LV.txt
@@ -18,4 +18,5 @@ lv_LV {
             "#,##0%",
     }
     ShortCountry { "LVA" }
+    LocaleID { "0426" }
 }
diff --git a/icu4c/source/data/locales/mk.txt b/icu4c/source/data/locales/mk.txt
index 35a491a168c..773708387f8 100644
--- a/icu4c/source/data/locales/mk.txt
+++ b/icu4c/source/data/locales/mk.txt
@@ -69,7 +69,7 @@ mk {
     Languages { 
         mk { "\u043C\u0430\u043A\u0435\u0434\u043E\u034D\u0441\u043A\u0438" }
     }
-    LocaleID { "042f" }
+    LocaleID { "2f" }
     LocaleString { "mk" }
     MonthAbbreviations { 
             "\u0458\u0430\u043D.",
diff --git a/icu4c/source/data/locales/mk_MK.txt b/icu4c/source/data/locales/mk_MK.txt
index af1c6d7c2b0..d7da98be204 100644
--- a/icu4c/source/data/locales/mk_MK.txt
+++ b/icu4c/source/data/locales/mk_MK.txt
@@ -18,4 +18,5 @@ mk_MK {
             "#,##0%",
     }
     ShortCountry { "MKD" }
+    LocaleID { "042f" }
 }
diff --git a/icu4c/source/data/locales/mr.txt b/icu4c/source/data/locales/mr.txt
index bc2db01d72e..b3985e91cff 100644
--- a/icu4c/source/data/locales/mr.txt
+++ b/icu4c/source/data/locales/mr.txt
@@ -1,6 +1,7 @@
 // Copyright (c) 1998-2000 IBM, Inc.
 
 mr {
+   LocaleID { "4e" }
     Version { "0.1" }
     ShortLanguage { mar }
     Languages {
diff --git a/icu4c/source/data/locales/mr_IN.txt b/icu4c/source/data/locales/mr_IN.txt
index b3e097b8300..7eabfccb214 100644
--- a/icu4c/source/data/locales/mr_IN.txt
+++ b/icu4c/source/data/locales/mr_IN.txt
@@ -2,6 +2,7 @@
 // Marathi locale.  Based on Hindi locale
 
 mr_IN {
+      LocaleID { "044e" }
     ShortCountry { IND }
 
     CurrencyElements {
diff --git a/icu4c/source/data/locales/nl.txt b/icu4c/source/data/locales/nl.txt
index 74ab60341b8..323aca7181d 100644
--- a/icu4c/source/data/locales/nl.txt
+++ b/icu4c/source/data/locales/nl.txt
@@ -46,7 +46,7 @@ nl {
     Languages { 
         nl { "Nederlands" }
     }
-    LocaleID { "0413" }
+    LocaleID { "13" }
     LocaleString { "nl" }
     MonthAbbreviations { 
             "jan",
diff --git a/icu4c/source/data/locales/nl_NL.txt b/icu4c/source/data/locales/nl_NL.txt
index bca43affd1a..128074bb29f 100644
--- a/icu4c/source/data/locales/nl_NL.txt
+++ b/icu4c/source/data/locales/nl_NL.txt
@@ -18,4 +18,5 @@ nl_NL {
             "#,##0%",
     }
     ShortCountry { "NLD" }
+    LocaleID { "0413" }
 }
diff --git a/icu4c/source/data/locales/no.txt b/icu4c/source/data/locales/no.txt
index 05a19879f0f..10d9f6e0cf1 100644
--- a/icu4c/source/data/locales/no.txt
+++ b/icu4c/source/data/locales/no.txt
@@ -52,7 +52,7 @@ no {
     Languages { 
         no { "norsk" }
     }
-    LocaleID { "0414" }
+    LocaleID { "14" }
     LocaleString { "no" }
     MonthAbbreviations { 
             "jan",
diff --git a/icu4c/source/data/locales/no_NO.txt b/icu4c/source/data/locales/no_NO.txt
index 31a0af0ac30..2446c1f49d7 100644
--- a/icu4c/source/data/locales/no_NO.txt
+++ b/icu4c/source/data/locales/no_NO.txt
@@ -18,4 +18,5 @@ no_NO {
             "#,##0%",
     }
     ShortCountry { "NOR" }
+    LocaleID { "0414" }
 }
diff --git a/icu4c/source/data/locales/pl.txt b/icu4c/source/data/locales/pl.txt
index 90f0e380e6a..5dddf0ed3b2 100644
--- a/icu4c/source/data/locales/pl.txt
+++ b/icu4c/source/data/locales/pl.txt
@@ -57,7 +57,7 @@ pl {
     Languages { 
         pl { "polski" }
     }
-    LocaleID { "0415" }
+    LocaleID { "15" }
     LocaleString { "pl" }
     MonthAbbreviations { 
             "sty",
diff --git a/icu4c/source/data/locales/pl_PL.txt b/icu4c/source/data/locales/pl_PL.txt
index 7d65a682a68..ab6505f0160 100644
--- a/icu4c/source/data/locales/pl_PL.txt
+++ b/icu4c/source/data/locales/pl_PL.txt
@@ -18,4 +18,5 @@ pl_PL {
             "#,##0%",
     }
     ShortCountry { "POL" }
+    LocaleID { "0415" }
 }
diff --git a/icu4c/source/data/locales/pt.txt b/icu4c/source/data/locales/pt.txt
index a1cd7ed7b9f..53d5be02fab 100644
--- a/icu4c/source/data/locales/pt.txt
+++ b/icu4c/source/data/locales/pt.txt
@@ -46,7 +46,7 @@ pt {
     Languages { 
         pt { "portugu\u00EAs" }
     }
-    LocaleID { "0816" }
+    LocaleID { "16" }
     LocaleString { "pt" }
     MonthAbbreviations { 
             "Jan",
diff --git a/icu4c/source/data/locales/pt_PT.txt b/icu4c/source/data/locales/pt_PT.txt
index 8b759d4629a..3152f5704bc 100644
--- a/icu4c/source/data/locales/pt_PT.txt
+++ b/icu4c/source/data/locales/pt_PT.txt
@@ -18,4 +18,5 @@ pt_PT {
             "#,##0%",
     }
     ShortCountry { "PRT" }
+    LocaleID { "0816" }
 }
diff --git a/icu4c/source/data/locales/ro.txt b/icu4c/source/data/locales/ro.txt
index 0f3d70d251f..3c1cda281e8 100644
--- a/icu4c/source/data/locales/ro.txt
+++ b/icu4c/source/data/locales/ro.txt
@@ -52,7 +52,7 @@ ro {
     Languages { 
         ro { "rom\u00E2n\u0103" }
     }
-    LocaleID { "0418" }
+    LocaleID { "18" }
     LocaleString { "ro" }
     MonthAbbreviations { 
             "Ian",
diff --git a/icu4c/source/data/locales/ro_RO.txt b/icu4c/source/data/locales/ro_RO.txt
index 33c989c3d16..cac72649688 100644
--- a/icu4c/source/data/locales/ro_RO.txt
+++ b/icu4c/source/data/locales/ro_RO.txt
@@ -18,4 +18,5 @@ ro_RO {
             "#,##0%",
     }
     ShortCountry { "ROM" }
+    LocaleID { "0418" }
 }
diff --git a/icu4c/source/data/locales/root.txt b/icu4c/source/data/locales/root.txt
index e938abc714d..42f2d53be29 100644
--- a/icu4c/source/data/locales/root.txt
+++ b/icu4c/source/data/locales/root.txt
@@ -1025,7 +1025,7 @@ root {
         zu  { "Zulu" }     
         zun { "Zuni" }          
     }
-    LocaleID { "0409" }
+    LocaleID { "0000" }
     LocaleString { "en" }
     MonthAbbreviations { 
             "Jan",
diff --git a/icu4c/source/data/locales/ru.txt b/icu4c/source/data/locales/ru.txt
index ecb47fb0097..6600fac4357 100644
--- a/icu4c/source/data/locales/ru.txt
+++ b/icu4c/source/data/locales/ru.txt
@@ -73,7 +73,7 @@ ru {
     Languages { 
         ru { "\u0440\u0443\u0441\u0441\u043A\u0438\u0439" }
     }
-    LocaleID { "0419" }
+    LocaleID { "19" }
     LocaleString { "ru" }
     MonthAbbreviations { 
             "\u044F\u043D\u0432",
diff --git a/icu4c/source/data/locales/ru_RU.txt b/icu4c/source/data/locales/ru_RU.txt
index 22ea5cd86b9..1dc1a92c303 100644
--- a/icu4c/source/data/locales/ru_RU.txt
+++ b/icu4c/source/data/locales/ru_RU.txt
@@ -18,4 +18,5 @@ ru_RU {
             "#,##0%",
     }
     ShortCountry { "RUS" }
+    LocaleID { "0419" }
 }
diff --git a/icu4c/source/data/locales/sh.txt b/icu4c/source/data/locales/sh.txt
index dd7955071e8..0050a7f56a6 100644
--- a/icu4c/source/data/locales/sh.txt
+++ b/icu4c/source/data/locales/sh.txt
@@ -299,7 +299,7 @@ sh {
         ji { "Jidi\u0161" }
         yi { "Jidi\u0161" }
     }
-    LocaleID { "081a" }
+    LocaleID { "1a" }
     LocaleString { "sh" }
     MonthAbbreviations { 
             "Jan",
diff --git a/icu4c/source/data/locales/sh_YU.txt b/icu4c/source/data/locales/sh_YU.txt
index 03d27f6f252..0bd28b23a3d 100644
--- a/icu4c/source/data/locales/sh_YU.txt
+++ b/icu4c/source/data/locales/sh_YU.txt
@@ -14,4 +14,5 @@ sh_YU {
     LocaleString { "sh_YU" }
     /* Discarding duplicate data for tag: NumberPatterns */
     ShortCountry { "YUG" }
+    LocaleID { "081a" }
 }
diff --git a/icu4c/source/data/locales/sk.txt b/icu4c/source/data/locales/sk.txt
index 33e78c1318f..7d680d152a2 100644
--- a/icu4c/source/data/locales/sk.txt
+++ b/icu4c/source/data/locales/sk.txt
@@ -53,7 +53,7 @@ sk {
     Languages { 
         sk { "Sloven\u010Dina" }
     }
-    LocaleID { "041b" }
+    LocaleID { "1b" }
     LocaleString { "sk" }
     MonthAbbreviations { 
             "jan",
diff --git a/icu4c/source/data/locales/sk_SK.txt b/icu4c/source/data/locales/sk_SK.txt
index 5008981b01b..a317cb80f11 100644
--- a/icu4c/source/data/locales/sk_SK.txt
+++ b/icu4c/source/data/locales/sk_SK.txt
@@ -18,4 +18,5 @@ sk_SK {
             "#,##0%",
     }
     ShortCountry { "SVK" }
+    LocaleID { "041b" }
 }
diff --git a/icu4c/source/data/locales/sl.txt b/icu4c/source/data/locales/sl.txt
index f12406d642d..45b3de4f5f9 100644
--- a/icu4c/source/data/locales/sl.txt
+++ b/icu4c/source/data/locales/sl.txt
@@ -53,7 +53,7 @@ sl {
     Languages { 
         sl { "Sloven\u0161\u010Dina" }
     }
-    LocaleID { "0424" }
+    LocaleID { "24" }
     LocaleString { "sl" }
     MonthAbbreviations { 
             "jan",
diff --git a/icu4c/source/data/locales/sl_SI.txt b/icu4c/source/data/locales/sl_SI.txt
index 20f434ab836..263f00f7846 100644
--- a/icu4c/source/data/locales/sl_SI.txt
+++ b/icu4c/source/data/locales/sl_SI.txt
@@ -18,4 +18,5 @@ sl_SI {
             "#,##0%",
     }
     ShortCountry { "SVN" }
+    LocaleID { "0424" }
 }
diff --git a/icu4c/source/data/locales/sq.txt b/icu4c/source/data/locales/sq.txt
index c12aad0e503..1a786a83808 100644
--- a/icu4c/source/data/locales/sq.txt
+++ b/icu4c/source/data/locales/sq.txt
@@ -54,7 +54,7 @@ sq {
     Languages { 
         sq { "shqipe" }
     }
-    LocaleID { "041c" }
+    LocaleID { "1c" }
     LocaleString { "sq" }
     MonthAbbreviations { 
             "Jan",
diff --git a/icu4c/source/data/locales/sq_AL.txt b/icu4c/source/data/locales/sq_AL.txt
index cf386034782..e6c74bd4926 100644
--- a/icu4c/source/data/locales/sq_AL.txt
+++ b/icu4c/source/data/locales/sq_AL.txt
@@ -18,4 +18,5 @@ sq_AL {
             "#,##0%",
     }
     ShortCountry { "ALB" }
+    LocaleID { "041c" }
 }
diff --git a/icu4c/source/data/locales/sr.txt b/icu4c/source/data/locales/sr.txt
index 916183d2e28..94b14bff7c0 100644
--- a/icu4c/source/data/locales/sr.txt
+++ b/icu4c/source/data/locales/sr.txt
@@ -317,7 +317,7 @@ Languages {
         ji { "\u0408\u0438\u0434\u0438\u0448" }
         yi { "\u0408\u0438\u0434\u0438\u0448" }
     }
-    LocaleID { "0c1a" }
+    LocaleID { "1a" }
     LocaleString { "sr" }
     MonthAbbreviations { 
             "\u0408\u0430\u043D",
diff --git a/icu4c/source/data/locales/sr_YU.txt b/icu4c/source/data/locales/sr_YU.txt
index ebf23416965..870419f91e3 100644
--- a/icu4c/source/data/locales/sr_YU.txt
+++ b/icu4c/source/data/locales/sr_YU.txt
@@ -14,4 +14,5 @@ sr_YU {
     LocaleString { "sr_YU" }
     /* Discarding duplicate data for tag: NumberPatterns */
     ShortCountry { "YUG" }
+    LocaleID { "0c1a" }
 }
diff --git a/icu4c/source/data/locales/sv.txt b/icu4c/source/data/locales/sv.txt
index fbe1c9a17c6..de149b59bc7 100644
--- a/icu4c/source/data/locales/sv.txt
+++ b/icu4c/source/data/locales/sv.txt
@@ -52,7 +52,7 @@ sv {
     Languages { 
         sv { "svenska" }
     }
-    LocaleID { "041d" }
+    LocaleID { "1d" }
     LocaleString { "sv" }
     MonthAbbreviations { 
             "jan",
diff --git a/icu4c/source/data/locales/sv_FI.txt b/icu4c/source/data/locales/sv_FI.txt
index 53a84ae3550..dd46b5f1858 100644
--- a/icu4c/source/data/locales/sv_FI.txt
+++ b/icu4c/source/data/locales/sv_FI.txt
@@ -17,4 +17,5 @@ sv_FI {
             "#,##0%",
     }
     ShortCountry { "FIN" }
+    LocaleID { "081d" }
 }
\ No newline at end of file
diff --git a/icu4c/source/data/locales/sv_SE.txt b/icu4c/source/data/locales/sv_SE.txt
index 908dead92af..7aecda03180 100644
--- a/icu4c/source/data/locales/sv_SE.txt
+++ b/icu4c/source/data/locales/sv_SE.txt
@@ -18,4 +18,5 @@ sv_SE {
             "#,##0%",
     }
     ShortCountry { "SWE" }
+    LocaleID { "041d" }
 }
diff --git a/icu4c/source/data/locales/ta.txt b/icu4c/source/data/locales/ta.txt
index 0b5f10eea0f..2c5b435c81d 100644
--- a/icu4c/source/data/locales/ta.txt
+++ b/icu4c/source/data/locales/ta.txt
@@ -1,6 +1,7 @@
 // Copyright (c) 1998-2000 IBM, Inc.
 
 ta {
+   LocaleID { "49" }
     Version { "0.1" }
     ShortLanguage { tam }
     Languages {
diff --git a/icu4c/source/data/locales/ta_IN.txt b/icu4c/source/data/locales/ta_IN.txt
index cdae14ea674..42ef20b861b 100644
--- a/icu4c/source/data/locales/ta_IN.txt
+++ b/icu4c/source/data/locales/ta_IN.txt
@@ -2,6 +2,7 @@
 // Tamil locale.  Based on Hindi locale
 
 ta_IN {
+   LocaleID { "449" }
     ShortCountry { IND }
 
     CurrencyElements {
diff --git a/icu4c/source/data/locales/th.txt b/icu4c/source/data/locales/th.txt
index 2aa84546d2c..2210c424fd7 100644
--- a/icu4c/source/data/locales/th.txt
+++ b/icu4c/source/data/locales/th.txt
@@ -196,7 +196,7 @@ th {
     Languages { 
         th { "\u0E44\u0E17\u0E22" }
     }
-    LocaleID { "041e" }
+    LocaleID { "1e" }
     LocaleString { "th" }
     MonthAbbreviations { 
             "\u0E21.\u0E04.",
diff --git a/icu4c/source/data/locales/th_TH.txt b/icu4c/source/data/locales/th_TH.txt
index 1830f81b710..787cc656121 100644
--- a/icu4c/source/data/locales/th_TH.txt
+++ b/icu4c/source/data/locales/th_TH.txt
@@ -18,4 +18,5 @@ th_TH {
             "#,##0%",
     }
     ShortCountry { "THA" }
+    LocaleID { "041e" }
 }
diff --git a/icu4c/source/data/locales/tr.txt b/icu4c/source/data/locales/tr.txt
index 4d6601978f1..0ef13d733ca 100644
--- a/icu4c/source/data/locales/tr.txt
+++ b/icu4c/source/data/locales/tr.txt
@@ -52,7 +52,7 @@ tr {
     Languages { 
         tr { "T\u00FCrk\u00E7e" }
     }
-    LocaleID { "041f" }
+    LocaleID { "1f" }
     LocaleString { "tr" }
     MonthAbbreviations { 
             "Oca",
diff --git a/icu4c/source/data/locales/tr_TR.txt b/icu4c/source/data/locales/tr_TR.txt
index 19b5b4dde4e..9199db2f11e 100644
--- a/icu4c/source/data/locales/tr_TR.txt
+++ b/icu4c/source/data/locales/tr_TR.txt
@@ -18,4 +18,5 @@ tr_TR {
             "#,##0%",
     }
     ShortCountry { "TUR" }
+    LocaleID { "041f" }
 }
diff --git a/icu4c/source/data/locales/uk.txt b/icu4c/source/data/locales/uk.txt
index b5edc5c4176..97556bb9a58 100644
--- a/icu4c/source/data/locales/uk.txt
+++ b/icu4c/source/data/locales/uk.txt
@@ -69,7 +69,7 @@ uk {
     Languages { 
         uk { "\u0443\u043A\u0440\u0430\u0457\u043D\u0441\u044C\u043A\u0430" }
     }
-    LocaleID { "0422" }
+    LocaleID { "22" }
     LocaleString { "uk" }
     MonthAbbreviations { 
             "\u0441\u0456\u0447",
diff --git a/icu4c/source/data/locales/uk_UA.txt b/icu4c/source/data/locales/uk_UA.txt
index 39c65855d6b..ab277a52dcc 100644
--- a/icu4c/source/data/locales/uk_UA.txt
+++ b/icu4c/source/data/locales/uk_UA.txt
@@ -18,4 +18,5 @@ uk_UA {
             "#,##0%",
     }
     ShortCountry { "UKR" }
+    LocaleID { "0422" }
 }
diff --git a/icu4c/source/data/locales/vi_VN.txt b/icu4c/source/data/locales/vi_VN.txt
index 51298e76285..103eef0b584 100644
--- a/icu4c/source/data/locales/vi_VN.txt
+++ b/icu4c/source/data/locales/vi_VN.txt
@@ -11,7 +11,7 @@ vi_VN {
             "D ",
             ",",
     }
-    LocaleID { "242A" }
+    LocaleID { "042A" }
     LocaleString { "vi_VN" }
     ShortCountry { "VNM" }
 }
diff --git a/icu4c/source/data/locales/zh.txt b/icu4c/source/data/locales/zh.txt
index 65b7d57a99a..29a73a68514 100644
--- a/icu4c/source/data/locales/zh.txt
+++ b/icu4c/source/data/locales/zh.txt
@@ -878,7 +878,7 @@ zh {
     Languages { 
         zh { "\u4E2D\u6587" }
     }
-    LocaleID { "0804" }
+    LocaleID { "04" }
     LocaleString { "zh" }
     MonthAbbreviations { 
             "\u4E00\u6708",
diff --git a/icu4c/source/data/locales/zh_CN.txt b/icu4c/source/data/locales/zh_CN.txt
index eddc09d81c6..2a879a938bd 100644
--- a/icu4c/source/data/locales/zh_CN.txt
+++ b/icu4c/source/data/locales/zh_CN.txt
@@ -23,4 +23,6 @@ zh_CN {
         TW { "\u53F0\u6E7E" }
         HK { "\u9999\u6E2F" }
     }
+    LocaleID { "0804" }
 }
+