diff --git a/icu4c/source/data/coll/ps.txt b/icu4c/source/data/coll/ps.txt
index ab7fe0a628a..cb420874fa4 100644
--- a/icu4c/source/data/coll/ps.txt
+++ b/icu4c/source/data/coll/ps.txt
@@ -10,7 +10,7 @@
  *  ICU <specials> source: <path>/xml/collation/ps.xml
  */
 ps{
-    Version{"2.0.52.6"}
+    Version{"2.0.52.7"}
     collations{
         standard{
             Sequence{
diff --git a/icu4c/source/data/curr/bs.txt b/icu4c/source/data/curr/bs.txt
index 4ba55ca7095..2d64546ffec 100644
--- a/icu4c/source/data/curr/bs.txt
+++ b/icu4c/source/data/curr/bs.txt
@@ -2723,5 +2723,5 @@ bs{
             other{"zimbabvejski dolari"}
         }
     }
-    Version{"2.0.51.83"}
+    Version{"2.0.52.13"}
 }
diff --git a/icu4c/source/data/curr/root.txt b/icu4c/source/data/curr/root.txt
index 60cee035e73..39c0db8fc3a 100644
--- a/icu4c/source/data/curr/root.txt
+++ b/icu4c/source/data/curr/root.txt
@@ -663,7 +663,7 @@ root{
     CurrencyUnitPatterns{
         other{"{0} {1}"}
     }
-    Version{"2.0.51.20"}
+    Version{"2.0.52.9"}
     currencySpacing{
         afterCurrency{
             currencyMatch{"[:letter:]"}
diff --git a/icu4c/source/data/curr/sr_CS.txt b/icu4c/source/data/curr/sr_CS.txt
index 78aef789144..d1a9bffffb7 100644
--- a/icu4c/source/data/curr/sr_CS.txt
+++ b/icu4c/source/data/curr/sr_CS.txt
@@ -7,6 +7,6 @@
 // *
 // ***************************************************************************
 sr_CS{
-    "%%ALIAS"{"sr_Cyrl_CS"}
-    Version{"2.0.41.23"}
+    "%%ALIAS"{"sr_Cyrl_RS"}
+    Version{"2.0.52.13"}
 }
diff --git a/icu4c/source/data/curr/sr_Cyrl_RS.txt b/icu4c/source/data/curr/sr_Cyrl_RS.txt
index 42ef90b5395..a82ca9cd4ac 100644
--- a/icu4c/source/data/curr/sr_Cyrl_RS.txt
+++ b/icu4c/source/data/curr/sr_Cyrl_RS.txt
@@ -3,7 +3,7 @@
 // * Copyright (C) 2010 International Business Machines
 // * Corporation and others.  All Rights Reserved.
 // * Tool: com.ibm.icu.dev.tool.cldr.LDML2ICUConverter.java
-// * Source File:<path>/common/main/sr_Cyrl_CS.xml
+// * Source File:<path>/common/main/sr_CS.xml
 // *
 // ***************************************************************************
 sr_Cyrl_RS{
diff --git a/icu4c/source/data/lang/bs.txt b/icu4c/source/data/lang/bs.txt
index de171e802b0..3538221f2f3 100644
--- a/icu4c/source/data/lang/bs.txt
+++ b/icu4c/source/data/lang/bs.txt
@@ -640,7 +640,7 @@ bs{
     }
     Types:alias{"sr_Latn"}
     Variants:alias{"sr_Latn"}
-    Version{"2.0.51.83"}
+    Version{"2.0.52.13"}
     codePatterns{
         language{"Jezik: {0}"}
         script{"Skript: {0}"}
diff --git a/icu4c/source/data/lang/root.txt b/icu4c/source/data/lang/root.txt
index bb31c86c223..65d3f9ba28e 100644
--- a/icu4c/source/data/lang/root.txt
+++ b/icu4c/source/data/lang/root.txt
@@ -10,7 +10,7 @@
  *  ICU <specials> source: <path>/xml/main/root.xml
  */
 root{
-    Version{"2.0.51.20"}
+    Version{"2.0.52.9"}
     codePatterns{
         language{"{0}"}
         script{"{0}"}
diff --git a/icu4c/source/data/lang/sr_CS.txt b/icu4c/source/data/lang/sr_CS.txt
index 78aef789144..d1a9bffffb7 100644
--- a/icu4c/source/data/lang/sr_CS.txt
+++ b/icu4c/source/data/lang/sr_CS.txt
@@ -7,6 +7,6 @@
 // *
 // ***************************************************************************
 sr_CS{
-    "%%ALIAS"{"sr_Cyrl_CS"}
-    Version{"2.0.41.23"}
+    "%%ALIAS"{"sr_Cyrl_RS"}
+    Version{"2.0.52.13"}
 }
diff --git a/icu4c/source/data/lang/sr_Cyrl_RS.txt b/icu4c/source/data/lang/sr_Cyrl_RS.txt
index 42ef90b5395..a82ca9cd4ac 100644
--- a/icu4c/source/data/lang/sr_Cyrl_RS.txt
+++ b/icu4c/source/data/lang/sr_Cyrl_RS.txt
@@ -3,7 +3,7 @@
 // * Copyright (C) 2010 International Business Machines
 // * Corporation and others.  All Rights Reserved.
 // * Tool: com.ibm.icu.dev.tool.cldr.LDML2ICUConverter.java
-// * Source File:<path>/common/main/sr_Cyrl_CS.xml
+// * Source File:<path>/common/main/sr_CS.xml
 // *
 // ***************************************************************************
 sr_Cyrl_RS{
diff --git a/icu4c/source/data/locales/bs.txt b/icu4c/source/data/locales/bs.txt
index fce67672aa4..e83b32de5b2 100644
--- a/icu4c/source/data/locales/bs.txt
+++ b/icu4c/source/data/locales/bs.txt
@@ -23,7 +23,7 @@ bs{
             }
         }
     }
-    Version{"2.0.51.83"}
+    Version{"2.0.52.13"}
     calendar{
         gregorian{
             DateTimePatterns{
diff --git a/icu4c/source/data/locales/root.txt b/icu4c/source/data/locales/root.txt
index 2389178e200..e6b56cd0361 100644
--- a/icu4c/source/data/locales/root.txt
+++ b/icu4c/source/data/locales/root.txt
@@ -45,7 +45,7 @@ root{
         297,
         210,
     }
-    Version{"2.0.51.20"}
+    Version{"2.0.52.9"}
     calendar{
         buddhist{
             AmPmMarkers:alias{"/LOCALE/calendar/gregorian/AmPmMarkers"}
diff --git a/icu4c/source/data/locales/sr_CS.txt b/icu4c/source/data/locales/sr_CS.txt
index 78aef789144..d1a9bffffb7 100644
--- a/icu4c/source/data/locales/sr_CS.txt
+++ b/icu4c/source/data/locales/sr_CS.txt
@@ -7,6 +7,6 @@
 // *
 // ***************************************************************************
 sr_CS{
-    "%%ALIAS"{"sr_Cyrl_CS"}
-    Version{"2.0.41.23"}
+    "%%ALIAS"{"sr_Cyrl_RS"}
+    Version{"2.0.52.13"}
 }
diff --git a/icu4c/source/data/misc/likelySubtags.txt b/icu4c/source/data/misc/likelySubtags.txt
index 3c51e22f1e6..4912143b989 100644
--- a/icu4c/source/data/misc/likelySubtags.txt
+++ b/icu4c/source/data/misc/likelySubtags.txt
@@ -34,6 +34,7 @@ likelySubtags:table(nofallback){
     br{"br_Latn_FR"}
     brx{"brx_Deva_IN"}
     bs{"bs_Latn_BA"}
+    byn{"byn_Ethi_ER"}
     ca{"ca_Latn_ES"}
     cch{"cch_Latn_NG"}
     ce{"ce_Cyrl_RU"}
@@ -133,6 +134,7 @@ likelySubtags:table(nofallback){
     ksh{"ksh_Latn_DE"}
     ku{"ku_Arab_IQ"}
     ku_Latn{"ku_Latn_TR"}
+    ku_SY{"ku_Latn_SY"}
     ku_TR{"ku_Latn_TR"}
     kum{"kum_Cyrl_RU"}
     kw{"kw_Latn_GB"}
@@ -232,6 +234,7 @@ likelySubtags:table(nofallback){
     sv{"sv_Latn_SE"}
     sw{"sw_Latn_TZ"}
     swb{"swb_Arab_KM"}
+    syr{"syr_Syri_SY"}
     ta{"ta_Taml_IN"}
     te{"te_Telu_IN"}
     teo{"teo_Latn_UG"}
diff --git a/icu4c/source/data/region/bs.txt b/icu4c/source/data/region/bs.txt
index cb9447ff724..53cc5c9604b 100644
--- a/icu4c/source/data/region/bs.txt
+++ b/icu4c/source/data/region/bs.txt
@@ -295,5 +295,5 @@ bs{
         ZW{"Zimbabve"}
         ZZ{"Nepoznata ili nevažeća oblast"}
     }
-    Version{"2.0.51.83"}
+    Version{"2.0.52.13"}
 }
diff --git a/icu4c/source/data/region/root.txt b/icu4c/source/data/region/root.txt
index 85b7c99035a..5b90d894458 100644
--- a/icu4c/source/data/region/root.txt
+++ b/icu4c/source/data/region/root.txt
@@ -10,5 +10,5 @@
  *  ICU <specials> source: <path>/xml/main/root.xml
  */
 root{
-    Version{"2.0.51.20"}
+    Version{"2.0.52.9"}
 }
diff --git a/icu4c/source/data/region/sr_CS.txt b/icu4c/source/data/region/sr_CS.txt
index 78aef789144..d1a9bffffb7 100644
--- a/icu4c/source/data/region/sr_CS.txt
+++ b/icu4c/source/data/region/sr_CS.txt
@@ -7,6 +7,6 @@
 // *
 // ***************************************************************************
 sr_CS{
-    "%%ALIAS"{"sr_Cyrl_CS"}
-    Version{"2.0.41.23"}
+    "%%ALIAS"{"sr_Cyrl_RS"}
+    Version{"2.0.52.13"}
 }
diff --git a/icu4c/source/data/region/sr_Cyrl_RS.txt b/icu4c/source/data/region/sr_Cyrl_RS.txt
index 42ef90b5395..a82ca9cd4ac 100644
--- a/icu4c/source/data/region/sr_Cyrl_RS.txt
+++ b/icu4c/source/data/region/sr_Cyrl_RS.txt
@@ -3,7 +3,7 @@
 // * Copyright (C) 2010 International Business Machines
 // * Corporation and others.  All Rights Reserved.
 // * Tool: com.ibm.icu.dev.tool.cldr.LDML2ICUConverter.java
-// * Source File:<path>/common/main/sr_Cyrl_CS.xml
+// * Source File:<path>/common/main/sr_CS.xml
 // *
 // ***************************************************************************
 sr_Cyrl_RS{
diff --git a/icu4c/source/data/zone/bs.txt b/icu4c/source/data/zone/bs.txt
index 92ef823d667..2fee94fbb5c 100644
--- a/icu4c/source/data/zone/bs.txt
+++ b/icu4c/source/data/zone/bs.txt
@@ -10,7 +10,7 @@
  *  ICU <specials> source: <path>/xml/main/bs.xml
  */
 bs{
-    Version{"2.0.51.83"}
+    Version{"2.0.52.13"}
     zoneStrings{
         "Africa:Abidjan"{
             ec{"Abidžan"}
diff --git a/icu4c/source/data/zone/root.txt b/icu4c/source/data/zone/root.txt
index c052eb7bced..33d1fdb333d 100644
--- a/icu4c/source/data/zone/root.txt
+++ b/icu4c/source/data/zone/root.txt
@@ -10,7 +10,7 @@
  *  ICU <specials> source: <path>/xml/main/root.xml
  */
 root{
-    Version{"2.0.51.20"}
+    Version{"2.0.52.9"}
     zoneStrings{
         ""{
             ec{""}
diff --git a/icu4c/source/data/zone/sr_CS.txt b/icu4c/source/data/zone/sr_CS.txt
index 78aef789144..d1a9bffffb7 100644
--- a/icu4c/source/data/zone/sr_CS.txt
+++ b/icu4c/source/data/zone/sr_CS.txt
@@ -7,6 +7,6 @@
 // *
 // ***************************************************************************
 sr_CS{
-    "%%ALIAS"{"sr_Cyrl_CS"}
-    Version{"2.0.41.23"}
+    "%%ALIAS"{"sr_Cyrl_RS"}
+    Version{"2.0.52.13"}
 }
diff --git a/icu4c/source/data/zone/sr_Cyrl_RS.txt b/icu4c/source/data/zone/sr_Cyrl_RS.txt
index 42ef90b5395..a82ca9cd4ac 100644
--- a/icu4c/source/data/zone/sr_Cyrl_RS.txt
+++ b/icu4c/source/data/zone/sr_Cyrl_RS.txt
@@ -3,7 +3,7 @@
 // * Copyright (C) 2010 International Business Machines
 // * Corporation and others.  All Rights Reserved.
 // * Tool: com.ibm.icu.dev.tool.cldr.LDML2ICUConverter.java
-// * Source File:<path>/common/main/sr_Cyrl_CS.xml
+// * Source File:<path>/common/main/sr_CS.xml
 // *
 // ***************************************************************************
 sr_Cyrl_RS{