diff --git a/Meta/Lagom/Tools/CodeGenerators/LibUnicode/GenerateUnicodeNumberFormat.cpp b/Meta/Lagom/Tools/CodeGenerators/LibUnicode/GenerateUnicodeNumberFormat.cpp
index 0c828ba5bc..a7b8f774e5 100644
--- a/Meta/Lagom/Tools/CodeGenerators/LibUnicode/GenerateUnicodeNumberFormat.cpp
+++ b/Meta/Lagom/Tools/CodeGenerators/LibUnicode/GenerateUnicodeNumberFormat.cpp
@@ -57,6 +57,9 @@ struct NumberSystem {
     StringIndexType system { 0 };
     HashMap<String, StringIndexType> symbols {};
 
+    u8 primary_grouping_size { 0 };
+    u8 secondary_grouping_size { 0 };
+
     NumberFormat decimal_format {};
     Vector<NumberFormat> decimal_long_formats {};
     Vector<NumberFormat> decimal_short_formats {};
@@ -79,7 +82,7 @@ struct UnicodeLocaleData {
     Vector<String> numeric_symbols;
 };
 
-static void parse_number_pattern(String pattern, UnicodeLocaleData& locale_data, NumberFormat& format)
+static void parse_number_pattern(String pattern, UnicodeLocaleData& locale_data, NumberFormat& format, NumberSystem* number_system_for_groupings = nullptr)
 {
     // https://unicode.org/reports/tr35/tr35-numbers.html#Number_Format_Patterns
     // https://cldr.unicode.org/translation/number-currency-formats/number-and-currency-patterns
@@ -105,6 +108,24 @@ static void parse_number_pattern(String pattern, UnicodeLocaleData& locale_data,
                     break;
             }
 
+            if (number_system_for_groupings) {
+                auto number_pattern = pattern.substring_view(*start_number_index, end_number_index - *start_number_index);
+
+                auto group_separators = number_pattern.find_all(","sv);
+                VERIFY((group_separators.size() == 1) || (group_separators.size() == 2));
+
+                auto decimal = number_pattern.find('.');
+                VERIFY(decimal.has_value());
+
+                if (group_separators.size() == 1) {
+                    number_system_for_groupings->primary_grouping_size = *decimal - group_separators[0] - 1;
+                    number_system_for_groupings->secondary_grouping_size = number_system_for_groupings->primary_grouping_size;
+                } else {
+                    number_system_for_groupings->primary_grouping_size = *decimal - group_separators[1] - 1;
+                    number_system_for_groupings->secondary_grouping_size = group_separators[1] - group_separators[0] - 1;
+                }
+            }
+
             pattern = String::formatted("{}{{number}}{}",
                 *start_number_index > 0 ? pattern.substring_view(0, *start_number_index) : ""sv,
                 pattern.substring_view(end_number_index));
@@ -208,7 +229,7 @@ static void parse_number_systems(String locale_numbers_path, UnicodeLocaleData&
             auto& number_system = ensure_number_system(system);
 
             auto format_object = value.as_object().get("standard"sv);
-            parse_number_pattern(format_object.as_string(), locale_data, number_system.decimal_format);
+            parse_number_pattern(format_object.as_string(), locale_data, number_system.decimal_format, &number_system);
 
             auto const& long_format = value.as_object().get("long"sv).as_object().get("decimalFormat"sv);
             number_system.decimal_long_formats = parse_number_format(long_format.as_object());
@@ -309,6 +330,7 @@ namespace Unicode {
 namespace Detail {
 
 Optional<StringView> get_number_system_symbol(StringView locale, StringView system, StringView numeric_symbol);
+Optional<NumberGroupings> get_number_system_groupings(StringView locale, StringView system);
 Optional<NumberFormat> get_standard_number_system_format(StringView locale, StringView system, StandardNumberFormatType type);
 Vector<NumberFormat> get_compact_number_system_formats(StringView locale, StringView system, CompactNumberFormatType type);
 Optional<NumericSymbol> numeric_symbol_from_string(StringView numeric_symbol);
@@ -367,6 +389,9 @@ struct NumberSystem {
     @string_index_type@ system { 0 };
     Array<@string_index_type@, @numeric_symbols_size@> symbols {};
 
+    u8 primary_grouping_size { 0 };
+    u8 secondary_grouping_size { 0 };
+
     NumberFormat decimal_format {};
     Span<NumberFormat const> decimal_long_formats {};
     Span<NumberFormat const> decimal_short_formats {};
@@ -438,6 +463,8 @@ static constexpr Array<NumberSystem, @size@> @name@ { {)~~~");
 
         for (auto const& number_system : number_systems) {
             generator.set("system"sv, String::number(number_system.value.system));
+            generator.set("primary_grouping_size"sv, String::number(number_system.value.primary_grouping_size));
+            generator.set("secondary_grouping_size"sv, String::number(number_system.value.secondary_grouping_size));
             generator.set("decimal_long_formats"sv, format_name(number_system.key, "dl"sv));
             generator.set("decimal_short_formats"sv, format_name(number_system.key, "ds"sv));
             generator.set("currency_unit_formats"sv, format_name(number_system.key, "cu"sv));
@@ -451,7 +478,7 @@ static constexpr Array<NumberSystem, @size@> @name@ { {)~~~");
                 generator.append(" @index@,");
             }
 
-            generator.append(" }, ");
+            generator.append(" }, @primary_grouping_size@, @secondary_grouping_size@, ");
             append_number_format(number_system.value.decimal_format);
             generator.append(" @decimal_long_formats@.span(), @decimal_short_formats@.span(), ");
             append_number_format(number_system.value.currency_format);
@@ -513,6 +540,13 @@ Optional<StringView> get_number_system_symbol(StringView locale, StringView syst
     return {};
 }
 
+Optional<NumberGroupings> get_number_system_groupings(StringView locale, StringView system)
+{
+    if (auto const* number_system = find_number_system(locale, system); number_system != nullptr)
+        return NumberGroupings { number_system->primary_grouping_size, number_system->secondary_grouping_size };
+    return {};
+}
+
 Optional<Unicode::NumberFormat> get_standard_number_system_format(StringView locale, StringView system, StandardNumberFormatType type)
 {
     if (auto const* number_system = find_number_system(locale, system); number_system != nullptr) {
diff --git a/Userland/Libraries/LibUnicode/Forward.h b/Userland/Libraries/LibUnicode/Forward.h
index 5015f324b1..b18426ce34 100644
--- a/Userland/Libraries/LibUnicode/Forward.h
+++ b/Userland/Libraries/LibUnicode/Forward.h
@@ -30,6 +30,7 @@ struct ListPatterns;
 struct LocaleExtension;
 struct LocaleID;
 struct NumberFormat;
+struct NumberGroupings;
 struct OtherExtension;
 struct SpecialCasing;
 struct TransformedExtension;
diff --git a/Userland/Libraries/LibUnicode/Locale.cpp b/Userland/Libraries/LibUnicode/Locale.cpp
index 2080783399..d66544d0fe 100644
--- a/Userland/Libraries/LibUnicode/Locale.cpp
+++ b/Userland/Libraries/LibUnicode/Locale.cpp
@@ -824,6 +824,15 @@ Optional<StringView> get_number_system_symbol([[maybe_unused]] StringView locale
 #endif
 }
 
+Optional<NumberGroupings> get_number_system_groupings([[maybe_unused]] StringView locale, [[maybe_unused]] StringView system)
+{
+#if ENABLE_UNICODE_DATA
+    return Detail::get_number_system_groupings(locale, system);
+#else
+    return {};
+#endif
+}
+
 Vector<NumberFormat> get_compact_number_system_formats([[maybe_unused]] StringView locale, [[maybe_unused]] StringView system, [[maybe_unused]] CompactNumberFormatType type)
 {
 #if ENABLE_UNICODE_DATA
diff --git a/Userland/Libraries/LibUnicode/Locale.h b/Userland/Libraries/LibUnicode/Locale.h
index 9e328b2738..32e115a756 100644
--- a/Userland/Libraries/LibUnicode/Locale.h
+++ b/Userland/Libraries/LibUnicode/Locale.h
@@ -85,6 +85,11 @@ enum class Style : u8 {
     Numeric,
 };
 
+struct NumberGroupings {
+    u8 primary_grouping_size { 0 };
+    u8 secondary_grouping_size { 0 };
+};
+
 enum class StandardNumberFormatType : u8 {
     Decimal,
     Currency,
@@ -181,6 +186,7 @@ Optional<StringView> get_locale_script_mapping(StringView locale, StringView scr
 Optional<StringView> get_locale_currency_mapping(StringView locale, StringView currency, Style style);
 Vector<StringView> get_locale_key_mapping(StringView locale, StringView keyword);
 Optional<StringView> get_number_system_symbol(StringView locale, StringView system, StringView symbol);
+Optional<NumberGroupings> get_number_system_groupings(StringView locale, StringView system);
 Optional<NumberFormat> get_standard_number_system_format(StringView locale, StringView system, StandardNumberFormatType type);
 Vector<NumberFormat> get_compact_number_system_formats(StringView locale, StringView system, CompactNumberFormatType type);
 Optional<ListPatterns> get_locale_list_patterns(StringView locale, StringView type, StringView style);