Steam has published a list of the games on its platform which have the highest number of simultaneous users, and VRChat has made the list for having over 15,000 simultaneous players:
Of course, VRChat reached an all-time peak of 20,000 users in January 2018, before falling back down to around 6,000 users lately. It’s still the most popular of the newer VR-compatible virtual world platforms, though, followed by Rec Room (Steam statistics).
