I am trying to find a count of users in all public groups in a salesforce org. Has anybody done any apex class which can get the results? Buyan

2 Answers 2


Execute the below code. You will get the answer.

List<group> groupRecList = [SELECT Id, Name, DeveloperName FROM Group WHERE Type = 'Regular';
Set<Id> SetOfUsers = new Set<Id>();
for (GroupMember GrpMem : [Select GroupId, UserOrGroupId From GroupMember Where GroupId IN :groupRecList]){
    if (GrpMem.UserOrGroupId.getSObjectType() == User.SObjectType)

You can query the GroupMember object. But don't forget to exclude Ids that start with the same prefix as groups (because groups can be referenced in other groups too).

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