diff --git a/lang/en/user.php b/lang/en/user.php
index 0ea92252237..f137a0eba74 100644
--- a/lang/en/user.php
+++ b/lang/en/user.php
@@ -139,6 +139,7 @@ $string['supportmessagealternative'] = 'Instead you can email {$a}.';
 $string['target:upcomingactivitiesdue'] = 'Upcoming activities due';
 $string['target:upcomingactivitiesdue_help'] = 'This target generates reminders for upcoming activities due.';
 $string['target:upcomingactivitiesdueinfo'] = 'All upcoming activities due insights are listed here. These students have received these insights directly.';
+$string['usergroupselectorcount'] = '{$a->fullname} ({$a->groupcount})';
 
 // Deprecated since Moodle 4.1.
 $string['addcondition'] = 'Add condition';
diff --git a/user/selector/lib.php b/user/selector/lib.php
index 43cb5f478bd..9e25be0ed9d 100644
--- a/user/selector/lib.php
+++ b/user/selector/lib.php
@@ -833,7 +833,8 @@ class group_non_members_selector extends groups_user_selector_base {
      * @return string
      */
     public function output_user($user) {
-        return parent::output_user($user) . ' (' . $user->numgroups . ')';
+        return get_string('usergroupselectorcount', 'core_user',
+            (object) ['groupcount' => $user->numgroups, 'fullname' => parent::output_user($user)]);
     }
 
     /**