diff --git a/icu4c/source/data/locales/lt.txt b/icu4c/source/data/locales/lt.txt
index 605cac93bd9..090a551ba0b 100644
--- a/icu4c/source/data/locales/lt.txt
+++ b/icu4c/source/data/locales/lt.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 lt {
-    Version{ "1.1" }
+    Version{ "2.0" }
     CollationElements { 
         Version { "1.0" }
         Sequence { "[backwards 2]& C < c\u030C <<< C\u030C & I << y = \u0131 <<< Y = \u0130 "
diff --git a/icu4c/source/data/locales/lt_LT.txt b/icu4c/source/data/locales/lt_LT.txt
index aeeb281a403..ef8c5cda643 100644
--- a/icu4c/source/data/locales/lt_LT.txt
+++ b/icu4c/source/data/locales/lt_LT.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 lt_LT {
-    Version{ "1.1" }
+    Version{ "2.0" }
 //    LocaleString { "lt_LT" }
     NumberPatterns { 
         "##,##0.##;-##,##0.##",
diff --git a/icu4c/source/data/locales/lv.txt b/icu4c/source/data/locales/lv.txt
index 050af48cc3c..1d81ff7035e 100644
--- a/icu4c/source/data/locales/lv.txt
+++ b/icu4c/source/data/locales/lv.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 lv {
-    Version{ "1.1"}
+    Version{ "2.0"}
     CollationElements { 
         Version { "1.0" }
         Sequence { "[casefirst upper][backwards 2] &C < c\u030C <<< C\u030C & G < g\u0327 <<< G\u0327 & I < "
diff --git a/icu4c/source/data/locales/lv_LV.txt b/icu4c/source/data/locales/lv_LV.txt
index ab86ed2fb81..35046e19b50 100644
--- a/icu4c/source/data/locales/lv_LV.txt
+++ b/icu4c/source/data/locales/lv_LV.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 lv_LV {
-    Version{ "1.1" }
+    Version{ "2.0" }
 //    LocaleString { "lv_LV" }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/mk.txt b/icu4c/source/data/locales/mk.txt
index 73019227498..38a2d17105f 100644
--- a/icu4c/source/data/locales/mk.txt
+++ b/icu4c/source/data/locales/mk.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 mk {
-     Version { "1.1"}
+     Version { "2.0"}
      // We use UCA collation table optimized for Cyrillic
      // as defined in the Russian locale
      CollationElements:alias { "ru" }
diff --git a/icu4c/source/data/locales/mk_MK.txt b/icu4c/source/data/locales/mk_MK.txt
index 59b700313b6..18e45400fe6 100644
--- a/icu4c/source/data/locales/mk_MK.txt
+++ b/icu4c/source/data/locales/mk_MK.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 mk_MK {
-    Version{ "1.1" }
+    Version{ "2.0" }
 //    LocaleString { "mk_MK" }
     NumberPatterns { 
         "#,##0.###;(#,##0.###)",
diff --git a/icu4c/source/data/locales/mr.txt b/icu4c/source/data/locales/mr.txt
index 8d2a09302c2..15ec2c834a1 100644
--- a/icu4c/source/data/locales/mr.txt
+++ b/icu4c/source/data/locales/mr.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 mr {
-    Version { "1.2" }
+    Version { "2.0" }
 //    ShortLanguage { mar }
     Languages {
         root { "\u092e\u0930\u093e\u0920\u0940" }
diff --git a/icu4c/source/data/locales/mr_IN.txt b/icu4c/source/data/locales/mr_IN.txt
index a930680c763..fb474f32ad6 100644
--- a/icu4c/source/data/locales/mr_IN.txt
+++ b/icu4c/source/data/locales/mr_IN.txt
@@ -7,7 +7,7 @@
 // Marathi locale.  Based on Hindi locale
 
 mr_IN {
-    Version { "1.2" }
+    Version { "2.0" }
     LocaleID:int { 0x044e }
 //    ShortCountry { IND }
 
diff --git a/icu4c/source/data/locales/mt.txt b/icu4c/source/data/locales/mt.txt
index 1d2fdec3a2c..51165f37c33 100644
--- a/icu4c/source/data/locales/mt.txt
+++ b/icu4c/source/data/locales/mt.txt
@@ -18,7 +18,7 @@
 //  but, U+0307 is the DOT ABOVE needed for ż, ċ, and ġ (in collation rules)
 
 mt {
-    Version { "0.10.5" } // 2002-01-15 
+    Version { "1.0" } // 2002-01-15 
 //    ShortLanguage { mlt }
 
 //  "%%PHONEBOOK" { "Bħal lista tat-telefon" }
diff --git a/icu4c/source/data/locales/mt_MT.txt b/icu4c/source/data/locales/mt_MT.txt
index caf14f0627c..ca008dd7314 100644
--- a/icu4c/source/data/locales/mt_MT.txt
+++ b/icu4c/source/data/locales/mt_MT.txt
@@ -9,7 +9,7 @@
 
 mt_MT {
       
-    Version { "1.0" }
+    Version { "2.0" }
 
 //    ShortCountry { MLT }
 
diff --git a/icu4c/source/data/locales/nb.txt b/icu4c/source/data/locales/nb.txt
index f09ad9f6875..f1c4f269e14 100644
--- a/icu4c/source/data/locales/nb.txt
+++ b/icu4c/source/data/locales/nb.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 nb {
-    Version{"1.0"}
+    Version{"2.0"}
     CollationElements {
 	    Version { "1.0" }
 		Sequence { "& Z < \u00E6<<< \u00C6  < a\u0308<<< A\u0308< \u00F8<<< \u00D8"
diff --git a/icu4c/source/data/locales/nb_NO.txt b/icu4c/source/data/locales/nb_NO.txt
index 3b95c2b8f6e..7c232cb1f19 100644
--- a/icu4c/source/data/locales/nb_NO.txt
+++ b/icu4c/source/data/locales/nb_NO.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 nb_NO {
-    Version{"1.0"}
+    Version{"2.0"}
     NumberPatterns {
 	    "#,##0.###;-#,##0.###",
 	    "\u00A4 #,##0.00;\u00A4 -#,##0.00",
diff --git a/icu4c/source/data/locales/nl.txt b/icu4c/source/data/locales/nl.txt
index acc07e02184..68ef4ca0f01 100644
--- a/icu4c/source/data/locales/nl.txt
+++ b/icu4c/source/data/locales/nl.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 nl {
-    Version { "1.0" }
+    Version { "2.0" }
     Countries { 
         NL { "Nederland" }
         BE { "Belgi\u00EB" }
diff --git a/icu4c/source/data/locales/nl_BE.txt b/icu4c/source/data/locales/nl_BE.txt
index b17e1919415..af955431669 100644
--- a/icu4c/source/data/locales/nl_BE.txt
+++ b/icu4c/source/data/locales/nl_BE.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 nl_BE {
-    Version{ "1.1" }
+    Version{ "2.0" }
     DateTimeElements:intvector {
         2,
         1,
diff --git a/icu4c/source/data/locales/nl_BE_PREEURO.txt b/icu4c/source/data/locales/nl_BE_PREEURO.txt
index a8d9a450628..7cce8a1333d 100644
--- a/icu4c/source/data/locales/nl_BE_PREEURO.txt
+++ b/icu4c/source/data/locales/nl_BE_PREEURO.txt
@@ -6,5 +6,5 @@
 // ***************************************************************************
 
 nl_BE_PREEURO {
-    Version { "1.0" }
+    Version { "2.0" }
 }
diff --git a/icu4c/source/data/locales/nl_NL.txt b/icu4c/source/data/locales/nl_NL.txt
index 38723d644ad..9194d5457ab 100644
--- a/icu4c/source/data/locales/nl_NL.txt
+++ b/icu4c/source/data/locales/nl_NL.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 nl_NL {
-    Version{ "1.0" }
+    Version{ "2.0" }
 //    LocaleString { "nl_NL" }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/nl_NL_PREEURO.txt b/icu4c/source/data/locales/nl_NL_PREEURO.txt
index 65bf719d61b..808ab60ff17 100644
--- a/icu4c/source/data/locales/nl_NL_PREEURO.txt
+++ b/icu4c/source/data/locales/nl_NL_PREEURO.txt
@@ -6,5 +6,5 @@
 // ***************************************************************************
 
 nl_NL_PREEURO {
-    Version { "1.0" }
+    Version { "2.0" }
 }
diff --git a/icu4c/source/data/locales/nn.txt b/icu4c/source/data/locales/nn.txt
index 330ba319040..10564a9f3a5 100644
--- a/icu4c/source/data/locales/nn.txt
+++ b/icu4c/source/data/locales/nn.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 nn{
-    Version { "1.0" }
+    Version { "2.0" }
     CollationElements {
         Version { "1.0" }
         Sequence { "& Z < \u00E6<<< \u00C6  < a\u0308<<< A\u0308< \u00F8<<< \u00D8"
diff --git a/icu4c/source/data/locales/nn_NO.txt b/icu4c/source/data/locales/nn_NO.txt
index c2105aeb128..3cf05d62c95 100644
--- a/icu4c/source/data/locales/nn_NO.txt
+++ b/icu4c/source/data/locales/nn_NO.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 nn_NO {
-    Version{ "2.0"}
+    Version{ "3.0"}
 
     NumberPatterns {
         "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/om.txt b/icu4c/source/data/locales/om.txt
index 567f17695a5..710c08cac59 100644
--- a/icu4c/source/data/locales/om.txt
+++ b/icu4c/source/data/locales/om.txt
@@ -16,7 +16,7 @@
 // * of the month and day names.
 
 om{
-    Version{ "1.0" }
+    Version{ "2.0" }
     DayAbbreviations {
         "Dil",
         "Wix",
diff --git a/icu4c/source/data/locales/om_ET.txt b/icu4c/source/data/locales/om_ET.txt
index 63468c9a572..9a38030e825 100644
--- a/icu4c/source/data/locales/om_ET.txt
+++ b/icu4c/source/data/locales/om_ET.txt
@@ -16,7 +16,7 @@
 // * of the month and day names.
 
 om_ET {
-    Version{ "1.0" }
+    Version{ "2.0" }
     AmPmMarkers {
         "WD",  // WD = Waaree Dura
         "WB",  // WD = Waaree Booda
diff --git a/icu4c/source/data/locales/om_KE.txt b/icu4c/source/data/locales/om_KE.txt
index f04e24ac113..710c4657ce2 100644
--- a/icu4c/source/data/locales/om_KE.txt
+++ b/icu4c/source/data/locales/om_KE.txt
@@ -16,7 +16,7 @@
 // * of the month and day names.
 
 om_KE {
-    Version{ "1.0" }
+    Version{ "2.0" }
     AmPmMarkers {
         "WD",  // WD = Waaree Dura
         "WB",  // WD = Waaree Booda
diff --git a/icu4c/source/data/locales/pl.txt b/icu4c/source/data/locales/pl.txt
index 61bbd72ddee..d90a57b1094 100644
--- a/icu4c/source/data/locales/pl.txt
+++ b/icu4c/source/data/locales/pl.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 pl {
-    Version{ "1.0" }
+    Version{ "2.0" }
     CollationElements { 
 	    Version { "2" }
 		Sequence { "&A < a\u0328 <<< A\u0328" 
diff --git a/icu4c/source/data/locales/pl_PL.txt b/icu4c/source/data/locales/pl_PL.txt
index 9f290ac0db3..e40f956c9de 100644
--- a/icu4c/source/data/locales/pl_PL.txt
+++ b/icu4c/source/data/locales/pl_PL.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 pl_PL {
-    Version { "1.1" }
+    Version { "2.0" }
 //    LocaleString { "pl_PL" }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/pt.txt b/icu4c/source/data/locales/pt.txt
index def305c0bd4..c20aca581f6 100644
--- a/icu4c/source/data/locales/pt.txt
+++ b/icu4c/source/data/locales/pt.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 pt {
-    Version { "1.0" }
+    Version { "2.0" }
     Countries {
         AE { "Rep\u00fablica \u00c1rabe Unida" }
         AL { "Alb\u00e2nia" }
diff --git a/icu4c/source/data/locales/pt_BR.txt b/icu4c/source/data/locales/pt_BR.txt
index b94e3ee5b5f..240deda2e21 100644
--- a/icu4c/source/data/locales/pt_BR.txt
+++ b/icu4c/source/data/locales/pt_BR.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 pt_BR {
-    Version{ "1.1" }
+    Version{ "2.0" }
     DateTimePatterns { 
         "HH'h'mm'min'ss's' z",
         "H'h'm'min's's' z",
diff --git a/icu4c/source/data/locales/pt_PT.txt b/icu4c/source/data/locales/pt_PT.txt
index db84efe560e..d45c5e42222 100644
--- a/icu4c/source/data/locales/pt_PT.txt
+++ b/icu4c/source/data/locales/pt_PT.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 pt_PT {
-    Version{ "1.1" }
+    Version{ "2.0" }
 //    LocaleString { "pt_PT" }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/pt_PT_PREEURO.txt b/icu4c/source/data/locales/pt_PT_PREEURO.txt
index 907531103a1..4f436798fa8 100644
--- a/icu4c/source/data/locales/pt_PT_PREEURO.txt
+++ b/icu4c/source/data/locales/pt_PT_PREEURO.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 pt_PT_PREEURO {
-    Version { "1.0" }
+    Version { "2.0" }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
         "#,##0 \u00A4;-#,##0 \u00A4",
diff --git a/icu4c/source/data/locales/ro.txt b/icu4c/source/data/locales/ro.txt
index df717ff4a55..f4366fa7e59 100644
--- a/icu4c/source/data/locales/ro.txt
+++ b/icu4c/source/data/locales/ro.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 ro {
-    Version{ "1.0" }
+    Version{ "2.0" }
     CollationElements {
 	 	Version { "1.0" }
 		Sequence {"& A < a\u0306 <<< A\u0306 & D < \u0111<<< \u0110 & I < i\u0302"
diff --git a/icu4c/source/data/locales/ro_RO.txt b/icu4c/source/data/locales/ro_RO.txt
index 687d5662119..cdd5d170d41 100644
--- a/icu4c/source/data/locales/ro_RO.txt
+++ b/icu4c/source/data/locales/ro_RO.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 ro_RO {
-    Version{ "1.0" }
+    Version{ "2.0" }
 //    LocaleString { "ro_RO" }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/root.txt b/icu4c/source/data/locales/root.txt
index 26f08dd8d8e..16bb1798b76 100644
--- a/icu4c/source/data/locales/root.txt
+++ b/icu4c/source/data/locales/root.txt
@@ -12,7 +12,7 @@
 //      Instead, put translations in sub locales.
 
 root {
-    Version { "3.2" }
+    Version { "4.0" }
 
     // each variant name that occurs in locales should be listed with %% and a display string
     "%%PREEURO" { "Pre-Euro" }   // PREEURO variant display name
diff --git a/icu4c/source/data/locales/ru.txt b/icu4c/source/data/locales/ru.txt
index 55e9a21bbb6..0de1dd22680 100644
--- a/icu4c/source/data/locales/ru.txt
+++ b/icu4c/source/data/locales/ru.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 ru {
-    Version{ "1.1" }
+    Version{ "2.0" }
     // Using the new options in rules in order to 
     // improve the performance for Cyrillic chars.
     CollationElements { 
diff --git a/icu4c/source/data/locales/ru_RU.txt b/icu4c/source/data/locales/ru_RU.txt
index 33bb428a8ba..f308e67fb89 100644
--- a/icu4c/source/data/locales/ru_RU.txt
+++ b/icu4c/source/data/locales/ru_RU.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 ru_RU {
-    Version { "1.1" }
+    Version { "2.0" }
     NumberElements { 
         ",",
         "\u00A0",
diff --git a/icu4c/source/data/locales/ru_UA.txt b/icu4c/source/data/locales/ru_UA.txt
index 2c9fe0d3ff5..a871e5facb8 100644
--- a/icu4c/source/data/locales/ru_UA.txt
+++ b/icu4c/source/data/locales/ru_UA.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 ru_UA {
-    Version { "1.1" }
+    Version { "2.0" }
     DateTimePatterns { 
         "HH:mm:ss z",
         "HH:mm:ss z",
diff --git a/icu4c/source/data/locales/sh.txt b/icu4c/source/data/locales/sh.txt
index 178e457b5eb..72ffeff1ce5 100644
--- a/icu4c/source/data/locales/sh.txt
+++ b/icu4c/source/data/locales/sh.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 sh {
-    Version { "1.2" }
+    Version { "2.0" }
     CollationElements { 
         Version { "2.0" }
         Sequence {
diff --git a/icu4c/source/data/locales/sh_YU.txt b/icu4c/source/data/locales/sh_YU.txt
index a66a02e62b0..edeee73d3cb 100644
--- a/icu4c/source/data/locales/sh_YU.txt
+++ b/icu4c/source/data/locales/sh_YU.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 sh_YU {
-    Version { "1.0" }
+    Version { "2.0" }
 //    LocaleString { "sh_YU" }
 //    ShortCountry { "YUG" }
     LocaleID:int { 0x081a }
diff --git a/icu4c/source/data/locales/sk.txt b/icu4c/source/data/locales/sk.txt
index d1bac4b891f..d6fa5e7c742 100644
--- a/icu4c/source/data/locales/sk.txt
+++ b/icu4c/source/data/locales/sk.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 sk {
-    Version{ "1.1" }
+    Version{ "2.0" }
     CollationElements { 
         Version { "1.0" }
         Sequence { "& A < a\u0308 <<< A\u0308 & C "
diff --git a/icu4c/source/data/locales/sk_SK.txt b/icu4c/source/data/locales/sk_SK.txt
index 1084887d73c..ff53acd055e 100644
--- a/icu4c/source/data/locales/sk_SK.txt
+++ b/icu4c/source/data/locales/sk_SK.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 sk_SK {
-    Version{ "1.0" }
+    Version{ "2.0" }
 //    LocaleString { "sk_SK" }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/sl.txt b/icu4c/source/data/locales/sl.txt
index 5d333cd1c3e..e553020221e 100644
--- a/icu4c/source/data/locales/sl.txt
+++ b/icu4c/source/data/locales/sl.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 sl {
-    Version{"1.1"}
+    Version{"2.0"}
     CollationElements { 
         Version { "1.0" }
         Sequence { "& C < c\u030C <<< C\u030C & S < s\u030C <<< S\u030C & Z < z\u030C <<< Z\u030C" }
diff --git a/icu4c/source/data/locales/sl_SI.txt b/icu4c/source/data/locales/sl_SI.txt
index 48c2b023f89..358cc6e51bf 100644
--- a/icu4c/source/data/locales/sl_SI.txt
+++ b/icu4c/source/data/locales/sl_SI.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 sl_SI {
-    Version{ "1.0" }
+    Version{ "2.0" }
 //    LocaleString { "sl_SI" }
 //    NumberPatterns { 
 //        "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/so.txt b/icu4c/source/data/locales/so.txt
index c4bb98f0541..6a458ded635 100644
--- a/icu4c/source/data/locales/so.txt
+++ b/icu4c/source/data/locales/so.txt
@@ -11,7 +11,7 @@
 // *    Department of Linguistics and Translation, Universite de Montreal, Montreal
 
 so{ 
-    Version{ "1.0" }
+    Version{ "2.0" }
     DayAbbreviations {
         "Axa",
         "Isn",
diff --git a/icu4c/source/data/locales/so_DJ.txt b/icu4c/source/data/locales/so_DJ.txt
index d0b38138a46..4a135723e44 100644
--- a/icu4c/source/data/locales/so_DJ.txt
+++ b/icu4c/source/data/locales/so_DJ.txt
@@ -11,7 +11,7 @@
 // *    Department of Linguistics and Translation, Universite de Montreal, Montreal
 
 so_DJ {
-    Version{ "1.0" }
+    Version{ "2.0" }
 
 
     // Measurement { "Metric" }
diff --git a/icu4c/source/data/locales/so_ET.txt b/icu4c/source/data/locales/so_ET.txt
index 07f75eb38e4..ef53f74e9de 100644
--- a/icu4c/source/data/locales/so_ET.txt
+++ b/icu4c/source/data/locales/so_ET.txt
@@ -12,7 +12,7 @@
 
 
 so_ET {
-    Version{ "1.0" }
+    Version{ "2.0" }
     // Measurement { "Metric" }
 //    NumberElements {
 //        ".",
diff --git a/icu4c/source/data/locales/so_KE.txt b/icu4c/source/data/locales/so_KE.txt
index 9ab020b0751..587931f2b51 100644
--- a/icu4c/source/data/locales/so_KE.txt
+++ b/icu4c/source/data/locales/so_KE.txt
@@ -12,7 +12,7 @@
 
 
 so_KE {
-    Version{ "1.0" }
+    Version{ "2.0" }
     AmPmMarkers {
         "sn",
         "gn",
diff --git a/icu4c/source/data/locales/so_SO.txt b/icu4c/source/data/locales/so_SO.txt
index 308872940c3..165d521a62d 100644
--- a/icu4c/source/data/locales/so_SO.txt
+++ b/icu4c/source/data/locales/so_SO.txt
@@ -12,7 +12,7 @@
 
 
 so_SO {
-    Version{ "1.0" }
+    Version{ "2.0" }
     // Measurement { "Metric" }
 //    NumberElements {
 //        ".",
diff --git a/icu4c/source/data/locales/sq.txt b/icu4c/source/data/locales/sq.txt
index 9aec1bfa653..2042dfdb0dd 100644
--- a/icu4c/source/data/locales/sq.txt
+++ b/icu4c/source/data/locales/sq.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 sq {
-    Version{ "1.0" }
+    Version{ "2.0" }
     AmPmMarkers { 
         "PD",
         "MD",
diff --git a/icu4c/source/data/locales/sq_AL.txt b/icu4c/source/data/locales/sq_AL.txt
index 8a91887ed0a..377efe6ad53 100644
--- a/icu4c/source/data/locales/sq_AL.txt
+++ b/icu4c/source/data/locales/sq_AL.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 sq_AL {
-    Version{ "1.1" }
+    Version{ "2.0" }
 //    LocaleString { "sq_AL" }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/sr.txt b/icu4c/source/data/locales/sr.txt
index c1d4f0dc7da..d96d231bd09 100644
--- a/icu4c/source/data/locales/sr.txt
+++ b/icu4c/source/data/locales/sr.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 sr {
-    Version{ "1.1"}
+    Version{ "2.0"}
     // We use UCA collation table optimized for Cyrillic
     // as defined in the Russian locale
     CollationElements:alias { "ru" }
diff --git a/icu4c/source/data/locales/sr_YU.txt b/icu4c/source/data/locales/sr_YU.txt
index 6743d0a713e..abbf4e28b73 100644
--- a/icu4c/source/data/locales/sr_YU.txt
+++ b/icu4c/source/data/locales/sr_YU.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 sr_YU {
-    Version{ "1.0" }
+    Version{ "2.0" }
 //    LocaleString { "sr_YU" }
     /* Discarding duplicate data for tag: NumberPatterns */
 //    ShortCountry { "YUG" }
diff --git a/icu4c/source/data/locales/sv.txt b/icu4c/source/data/locales/sv.txt
index 6b4d75b6f32..ea38c6ed9d2 100644
--- a/icu4c/source/data/locales/sv.txt
+++ b/icu4c/source/data/locales/sv.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 sv {
-    Version{ "1.0" }
+    Version{ "2.0" }
     CollationElements {
         Version { "1.0" }
         Sequence { "& Z < \u00E6 <<< \u00C6 < a\u030A <<< A\u030A <<< aa <<<aA <<< A"
diff --git a/icu4c/source/data/locales/sv_FI.txt b/icu4c/source/data/locales/sv_FI.txt
index 935f0c00eff..cfe814487eb 100644
--- a/icu4c/source/data/locales/sv_FI.txt
+++ b/icu4c/source/data/locales/sv_FI.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 sv_FI {
-    Version { "1.0" }
+    Version { "2.0" }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
         "#,##0.00 \u00A4;-#,##0.00 \u00A4",
diff --git a/icu4c/source/data/locales/sv_SE.txt b/icu4c/source/data/locales/sv_SE.txt
index 5dcf0942ffd..420ca170192 100644
--- a/icu4c/source/data/locales/sv_SE.txt
+++ b/icu4c/source/data/locales/sv_SE.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 sv_SE {
-    Version { "1.0" }
+    Version { "2.0" }
 //    LocaleString { "sv_SE" }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/sw.txt b/icu4c/source/data/locales/sw.txt
index cfcc664f658..9e5c202cb8a 100644
--- a/icu4c/source/data/locales/sw.txt
+++ b/icu4c/source/data/locales/sw.txt
@@ -9,7 +9,7 @@
 
 
 sw {
-    Version { "1.0" }
+    Version { "2.0" }
 
 //    Countries {   // This does not need to be overridden
 //        KE { "Kenya" }
diff --git a/icu4c/source/data/locales/sw_KE.txt b/icu4c/source/data/locales/sw_KE.txt
index 3d50c660e1c..d7d0fc8690d 100644
--- a/icu4c/source/data/locales/sw_KE.txt
+++ b/icu4c/source/data/locales/sw_KE.txt
@@ -9,7 +9,7 @@
 
 
 sw_KE {
-    Version { "1.1" }
+    Version { "2.0" }
 //    LocaleString { "sw_KE" }
     NumberPatterns {
         "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/sw_TZ.txt b/icu4c/source/data/locales/sw_TZ.txt
index 31df39afcdb..1ac4ad7a069 100644
--- a/icu4c/source/data/locales/sw_TZ.txt
+++ b/icu4c/source/data/locales/sw_TZ.txt
@@ -9,7 +9,7 @@
 
 
 sw_TZ {
-    Version { "1.0" }
+    Version { "2.0" }
 //    LocaleString { "sw_TZ" }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/ta.txt b/icu4c/source/data/locales/ta.txt
index cf787988bd2..6751269125b 100644
--- a/icu4c/source/data/locales/ta.txt
+++ b/icu4c/source/data/locales/ta.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 ta {
-    Version { "1.2" }
+    Version { "2.0" }
 
 //    ShortLanguage { tam }
     Languages {
diff --git a/icu4c/source/data/locales/ta_IN.txt b/icu4c/source/data/locales/ta_IN.txt
index f9b77c05b74..c1cfe109903 100644
--- a/icu4c/source/data/locales/ta_IN.txt
+++ b/icu4c/source/data/locales/ta_IN.txt
@@ -8,7 +8,7 @@
 // Tamil locale.  Based on Hindi locale
 
 ta_IN {
-    Version { "1.3" }
+    Version { "2.0" }
     LocaleID:int { 0x449 }
 //    ShortCountry { IND }
 
diff --git a/icu4c/source/data/locales/te.txt b/icu4c/source/data/locales/te.txt
index 5df5e2c7211..c68fab934d9 100644
--- a/icu4c/source/data/locales/te.txt
+++ b/icu4c/source/data/locales/te.txt
@@ -8,7 +8,7 @@
 // Telugu Locale. Data by Ram [ram@jtcsv.com]
 
 te {
-    Version{ "1.0" }
+    Version{ "2.0" }
     Countries {
         IN { "\u0c2d\u0c3e\u0c30\u0c24 \u0c26\u0c46\u0c33\u0c66" }
     }
diff --git a/icu4c/source/data/locales/te_IN.txt b/icu4c/source/data/locales/te_IN.txt
index 4256eba1e26..14fa6d06b07 100644
--- a/icu4c/source/data/locales/te_IN.txt
+++ b/icu4c/source/data/locales/te_IN.txt
@@ -8,7 +8,7 @@
 // Telugu Locale. Data by Ram [ram@jtcsv.com]
 
 te_IN {
-    Version{ "1.2" }
+    Version{ "2.0" }
     AmPmMarkers {
         "\u0c2a\u0c42\u0c30\u0c4d\u0c35\u0c3e\u0c39\u0c4d\u0c28",
         "\u0c05\u0c2a\u0c30\u0c3e\u0c39\u0c4d\u0c28",
diff --git a/icu4c/source/data/locales/th.txt b/icu4c/source/data/locales/th.txt
index 01b729ab209..7a1f5f3d67e 100644
--- a/icu4c/source/data/locales/th.txt
+++ b/icu4c/source/data/locales/th.txt
@@ -7,7 +7,7 @@
 
 th {
     BreakDictionaryData:import { "../brkitr/thaidict.brk" }
-    Version{ "1.2" }
+    Version{ "2.0" }
     // -------------------- ibm.597 --------------------
     //
     // First put in all of the consonants, after Z
diff --git a/icu4c/source/data/locales/th_TH.txt b/icu4c/source/data/locales/th_TH.txt
index a1964eac50d..c2db8b8924c 100644
--- a/icu4c/source/data/locales/th_TH.txt
+++ b/icu4c/source/data/locales/th_TH.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 th_TH {
-    Version { "1.0" }
+    Version { "2.0" }
 //    LocaleString { "th_TH" }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/ti.txt b/icu4c/source/data/locales/ti.txt
index ffa47f93d68..dcf02f15f02 100644
--- a/icu4c/source/data/locales/ti.txt
+++ b/icu4c/source/data/locales/ti.txt
@@ -8,7 +8,7 @@
 // * Contributed by Daniel Yacob <yacob@geez.org>, Ge'ez Frontier Foundation
 
 ti{ 
-    Version{ "1.0" }
+    Version{ "2.0" }
     DayAbbreviations {
         "\u1230\u1295\u1260",
         "\u1230\u1291\u12ED",
diff --git a/icu4c/source/data/locales/ti_ER.txt b/icu4c/source/data/locales/ti_ER.txt
index 8a53753822a..b054cbdddac 100644
--- a/icu4c/source/data/locales/ti_ER.txt
+++ b/icu4c/source/data/locales/ti_ER.txt
@@ -8,7 +8,7 @@
 // * Contributed by Daniel Yacob <yacob@geez.org>, Ge'ez Frontier Foundation
 
 ti_ER{ 
-    Version{ "1.0" }
+    Version{ "2.0" }
     DayAbbreviations {
         "\u1230\u1295\u1260",
         "\u1230\u1291\u12ED",
diff --git a/icu4c/source/data/locales/ti_ET.txt b/icu4c/source/data/locales/ti_ET.txt
index b3e2b6dceda..a4450a517ca 100644
--- a/icu4c/source/data/locales/ti_ET.txt
+++ b/icu4c/source/data/locales/ti_ET.txt
@@ -8,7 +8,7 @@
 // * Contributed by Daniel Yacob <yacob@geez.org>, Ge'ez Frontier Foundation
 
 ti_ET {
-    Version{ "1.0" }
+    Version{ "2.0" }
     DateTimePatterns { 
         "h:mm:ss a",
         "h:mm:ss a",
diff --git a/icu4c/source/data/locales/tr.txt b/icu4c/source/data/locales/tr.txt
index 5c151773da6..2aaec2f310c 100644
--- a/icu4c/source/data/locales/tr.txt
+++ b/icu4c/source/data/locales/tr.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 tr {
-    Version{ "1.2" }
+    Version{ "2.0" }
     // According to Nurdan Mete from IBM Turkey, the following would be the correct
     // sorting order for Turkish
     CollationElements { 
diff --git a/icu4c/source/data/locales/tr_TR.txt b/icu4c/source/data/locales/tr_TR.txt
index be87271caa6..fe0d351b789 100644
--- a/icu4c/source/data/locales/tr_TR.txt
+++ b/icu4c/source/data/locales/tr_TR.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 tr_TR {
-    Version{ "1.1" }
+    Version{ "2.0" }
 //    LocaleString { "tr_TR" }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/uk.txt b/icu4c/source/data/locales/uk.txt
index 442209222d1..5e9ec724345 100644
--- a/icu4c/source/data/locales/uk.txt
+++ b/icu4c/source/data/locales/uk.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 uk {
-    Version {"1.1" } 
+    Version {"2.0" } 
     CollationElements { 
         Version { "1.0" }
         Sequence { 
diff --git a/icu4c/source/data/locales/uk_UA.txt b/icu4c/source/data/locales/uk_UA.txt
index 8efd10fb8a0..d9a4282de7c 100644
--- a/icu4c/source/data/locales/uk_UA.txt
+++ b/icu4c/source/data/locales/uk_UA.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 uk_UA {
-    Version { "1.0" }
+    Version { "2.0" }
 //    LocaleString { "uk_UA" }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/vi.txt b/icu4c/source/data/locales/vi.txt
index 7a30e371ece..552cc0854f2 100644
--- a/icu4c/source/data/locales/vi.txt
+++ b/icu4c/source/data/locales/vi.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 vi {
-    Version { "1.1" }
+    Version { "2.0" }
     CollationElements { 
         Version { "2.0" }
         Sequence { "[normalization on]&\u0300<<\u0309<<\u0303<<\u0301<<"
diff --git a/icu4c/source/data/locales/vi_VN.txt b/icu4c/source/data/locales/vi_VN.txt
index 6f781ed12bd..39735c899db 100644
--- a/icu4c/source/data/locales/vi_VN.txt
+++ b/icu4c/source/data/locales/vi_VN.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 vi_VN {
-    Version{ "1.1" }
+    Version{ "2.0" }
     LocaleID:int { 0x042A }
 //    LocaleString { "vi_VN" }
 //    ShortCountry { "VNM" }
diff --git a/icu4c/source/data/locales/zh.txt b/icu4c/source/data/locales/zh.txt
index db3f2e064c5..15b12c39589 100644
--- a/icu4c/source/data/locales/zh.txt
+++ b/icu4c/source/data/locales/zh.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 zh {
-    Version{ "1.2" }
+    Version{ "2.0" }
     AmPmMarkers { 
         "\u4E0A\u5348",
         "\u4E0B\u5348",
diff --git a/icu4c/source/data/locales/zh_CN.txt b/icu4c/source/data/locales/zh_CN.txt
index 5e4a0da3691..d3be81ed9a2 100644
--- a/icu4c/source/data/locales/zh_CN.txt
+++ b/icu4c/source/data/locales/zh_CN.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 zh_CN {
-    Version{ "1.0" }
+    Version{ "2.0" }
 //    LocaleString { "zh_CN" }
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/zh_HK.txt b/icu4c/source/data/locales/zh_HK.txt
index 6219d3d3751..147d3dcb5b4 100644
--- a/icu4c/source/data/locales/zh_HK.txt
+++ b/icu4c/source/data/locales/zh_HK.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 zh_HK {
-    Version{ "1.1" }
+    Version{ "2.0" }
     CollationElements:alias { "zh_TW" }
     
     DateTimePatterns { 
diff --git a/icu4c/source/data/locales/zh_MO.txt b/icu4c/source/data/locales/zh_MO.txt
index 79090b136af..5568f871618 100644
--- a/icu4c/source/data/locales/zh_MO.txt
+++ b/icu4c/source/data/locales/zh_MO.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 zh_MO {
-    Version{ "1.2" }
+    Version{ "2.0" }
     CollationElements:alias { "zh_TW" }
     
     DateTimePatterns { 
diff --git a/icu4c/source/data/locales/zh_SG.txt b/icu4c/source/data/locales/zh_SG.txt
index 376b3199e84..b7909e50bdb 100644
--- a/icu4c/source/data/locales/zh_SG.txt
+++ b/icu4c/source/data/locales/zh_SG.txt
@@ -9,7 +9,7 @@
 
 
 zh_SG {
-    Version { "1.1" }
+    Version { "2.0" }
 
     NumberPatterns { 
         "#,##0.###;-#,##0.###",
diff --git a/icu4c/source/data/locales/zh_TW.txt b/icu4c/source/data/locales/zh_TW.txt
index 47985c63dd5..57d47c3f383 100644
--- a/icu4c/source/data/locales/zh_TW.txt
+++ b/icu4c/source/data/locales/zh_TW.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 zh_TW {
-    Version{ "1.1" }
+    Version{ "2.0" }
     CollationElements { 
         Version { "1.0" }
         Sequence { "&[top]<\u5159<\u515B<\u515E<\u515D<\u5161<\u5163<\u55E7<\u74E9<\u7CCE<\u4E00<\u4E59"
diff --git a/icu4c/source/data/locales/zh_TW_STROKE.txt b/icu4c/source/data/locales/zh_TW_STROKE.txt
index 6645525b306..3a419378d44 100644
--- a/icu4c/source/data/locales/zh_TW_STROKE.txt
+++ b/icu4c/source/data/locales/zh_TW_STROKE.txt
@@ -6,7 +6,7 @@
 // ***************************************************************************
 
 zh_TW_STROKE {
-    Version{ "1.0.1" }
+    Version{ "2.0" }
     CollationElements {
         Version { "1.1" }
         Sequence {