diff --git a/.dart_tool/package_config.json b/.dart_tool/package_config.json
index e95c9485a80..284ed913ae5 100644
--- a/.dart_tool/package_config.json
+++ b/.dart_tool/package_config.json
@@ -11,7 +11,7 @@
     "constraint, update this by running tools/generate_package_config.dart."
   ],
   "configVersion": 2,
-  "generated": "2021-12-16T12:51:36.232645",
+  "generated": "2021-12-10T17:31:54.553345",
   "generator": "tools/generate_package_config.dart",
   "packages": [
     {
@@ -371,6 +371,12 @@
       "packageUri": "lib/",
       "languageVersion": "2.12"
     },
+    {
+      "name": "intl",
+      "rootUri": "../third_party/pkg/intl",
+      "packageUri": "lib/",
+      "languageVersion": "2.11"
+    },
     {
       "name": "js",
       "rootUri": "../pkg/js",
@@ -811,4 +817,4 @@
       "languageVersion": "2.12"
     }
   ]
-}
+}
\ No newline at end of file
diff --git a/DEPS b/DEPS
index 1cb6ae466ee..727fe769d7f 100644
--- a/DEPS
+++ b/DEPS
@@ -120,6 +120,7 @@ vars = {
   "http_parser_rev": "202391286ddc13c4c3c284ac5b511f04697250ed",
   "http_rev": "f35d1e1467092f6a5edb2abf7071c4a99e8c737a",
   "icu_rev" : "81d656878ec611cb0b42d52c82e9dae93920d9ba",
+  "intl_tag": "0.17.0-nullsafety",
   "jinja2_rev": "2222b31554f03e62600cd7e383376a7c187967a1",
   "json_rpc_2_rev": "7e00f893440a72de0637970325e4ea44bd1e8c8e",
   "linter_tag": "1.17.1",
@@ -364,6 +365,8 @@ deps = {
       "@" + Var("http_multi_server_rev"),
   Var("dart_root") + "/third_party/pkg/http_parser":
       Var("dart_git") + "http_parser.git" + "@" + Var("http_parser_rev"),
+  Var("dart_root") + "/third_party/pkg/intl":
+      Var("dart_git") + "intl.git" + "@" + Var("intl_tag"),
   Var("dart_root") + "/third_party/pkg/json_rpc_2":
       Var("dart_git") + "json_rpc_2.git" + "@" + Var("json_rpc_2_rev"),
   Var("dart_root") + "/third_party/pkg/linter":
diff --git a/pkg/analysis_server/benchmark/benchmarks.dart b/pkg/analysis_server/benchmark/benchmarks.dart
index 7037a85b0ef..78a1b367b73 100644
--- a/pkg/analysis_server/benchmark/benchmarks.dart
+++ b/pkg/analysis_server/benchmark/benchmarks.dart
@@ -10,6 +10,7 @@ import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/physical_file_system.dart';
 import 'package:analyzer_utilities/package_root.dart';
 import 'package:args/command_runner.dart';
+import 'package:intl/intl.dart';
 import 'package:path/path.dart' as path;
 
 import 'perf/benchmarks_impl.dart';
@@ -87,6 +88,8 @@ abstract class Benchmark {
 }
 
 class BenchMarkResult {
+  static final NumberFormat nf = NumberFormat.decimalPattern();
+
   /// One of 'bytes', 'micros', or 'compound'.
   final String kindName;
 
@@ -101,7 +104,7 @@ class BenchMarkResult {
   Map toJson() => {kindName: value};
 
   @override
-  String toString() => '$kindName: $value';
+  String toString() => '$kindName: ${nf.format(value)}';
 }
 
 class CompoundBenchMarkResult extends BenchMarkResult {
diff --git a/pkg/analysis_server/lib/src/status/pages.dart b/pkg/analysis_server/lib/src/status/pages.dart
index 894d446225c..e0a24ca8fd0 100644
--- a/pkg/analysis_server/lib/src/status/pages.dart
+++ b/pkg/analysis_server/lib/src/status/pages.dart
@@ -5,11 +5,15 @@
 import 'dart:convert';
 import 'dart:io';
 
+import 'package:intl/intl.dart';
+
+final NumberFormat numberFormat = NumberFormat.decimalPattern();
+
 String escape(String? text) => text == null ? '' : htmlEscape.convert(text);
 
-String printInteger(int value) => '$value';
+String printInteger(int value) => numberFormat.format(value);
 
-String printMilliseconds(int value) => '$value ms';
+String printMilliseconds(num value) => '${numberFormat.format(value)} ms';
 
 String printPercentage(num value, [int fractionDigits = 1]) =>
     '${(value * 100).toStringAsFixed(fractionDigits)}%';
diff --git a/pkg/analysis_server/pubspec.yaml b/pkg/analysis_server/pubspec.yaml
index 39518e893d5..bb60379b0f5 100644
--- a/pkg/analysis_server/pubspec.yaml
+++ b/pkg/analysis_server/pubspec.yaml
@@ -20,6 +20,7 @@ dependencies:
   dart_style: any
   http: any
   html: any
+  intl: any
   linter: any
   meta:
     path: ../meta
diff --git a/pkg/dartdev/lib/src/commands/fix.dart b/pkg/dartdev/lib/src/commands/fix.dart
index f8659f6e358..d6c8b5ae449 100644
--- a/pkg/dartdev/lib/src/commands/fix.dart
+++ b/pkg/dartdev/lib/src/commands/fix.dart
@@ -6,6 +6,7 @@ import 'dart:async';
 import 'dart:io' as io;
 
 import 'package:analysis_server_client/protocol.dart' hide AnalysisError;
+import 'package:intl/intl.dart';
 import 'package:meta/meta.dart';
 import 'package:path/path.dart' as path;
 
@@ -17,6 +18,8 @@ import '../utils.dart';
 class FixCommand extends DartdevCommand {
   static const String cmdName = 'fix';
 
+  static final NumberFormat _numberFormat = NumberFormat.decimalPattern();
+
   static const String cmdDescription =
       '''Apply automated fixes to Dart source code.
 
@@ -341,7 +344,7 @@ To use the tool, run either ['dart fix --dry-run'] for a preview of the proposed
     }
   }
 
-  static String _format(int value) => '$value';
+  static String _format(int value) => _numberFormat.format(value);
 }
 
 /// The result of running tests in a given directory.
diff --git a/pkg/dartdev/pubspec.yaml b/pkg/dartdev/pubspec.yaml
index 9d7817845d2..aa4f9222307 100644
--- a/pkg/dartdev/pubspec.yaml
+++ b/pkg/dartdev/pubspec.yaml
@@ -23,6 +23,7 @@ dependencies:
   devtools_server: any
   front_end:
     path: ../front_end
+  intl: any
   meta:
     path: ../meta
   nnbd_migration: