diff --git a/common/main/es_419.xml b/common/main/es_419.xml
index e9dd281b7ea..2e39a650cde 100644
--- a/common/main/es_419.xml
+++ b/common/main/es_419.xml
@@ -5052,7 +5052,7 @@ Warnings: All cp values have U+FE0F characters removed. See /annotationsDerived/
 		<otherNumberingSystems>
 			<native draft="contributed">latn</native>
 		</otherNumberingSystems>
-		<minimumGroupingDigits draft="contributed">2</minimumGroupingDigits>
+		<minimumGroupingDigits draft="contributed">1</minimumGroupingDigits>
 		<symbols numberSystem="latn">
 			<decimal>.</decimal>
 			<group>,</group>
diff --git a/common/main/es_MX.xml b/common/main/es_MX.xml
index 5b93a46a663..0dd62666113 100644
--- a/common/main/es_MX.xml
+++ b/common/main/es_MX.xml
@@ -4674,7 +4674,7 @@ CLDR data files are interpreted according to the LDML specification (http://unic
 		<otherNumberingSystems>
 			<native draft="contributed">↑↑↑</native>
 		</otherNumberingSystems>
-		<minimumGroupingDigits draft="contributed">2</minimumGroupingDigits>
+		<minimumGroupingDigits draft="contributed">1</minimumGroupingDigits>
 		<symbols numberSystem="latn">
 			<decimal>↑↑↑</decimal>
 			<group>↑↑↑</group>
diff --git a/common/main/es_US.xml b/common/main/es_US.xml
index f2792a49fd8..396d2a2d641 100644
--- a/common/main/es_US.xml
+++ b/common/main/es_US.xml
@@ -4741,7 +4741,7 @@ CLDR data files are interpreted according to the LDML specification (http://unic
 		<otherNumberingSystems>
 			<native draft="contributed">↑↑↑</native>
 		</otherNumberingSystems>
-		<minimumGroupingDigits draft="contributed">2</minimumGroupingDigits>
+		<minimumGroupingDigits draft="contributed">1</minimumGroupingDigits>
 		<symbols numberSystem="latn">
 			<decimal>↑↑↑</decimal>
 			<group>↑↑↑</group>