Support » Fixing WordPress » Adding Users
7 years, 5 months ago
How many users can register on my blog? Is it unlimited?
I don’t think there’s a limit. Just depends what your server.
Bit old now, but: http://wordpress.org/support/topic/72797
Yes, there is no limit on the user creation on wordpress blog. But make sure about your hosting account and allocated space on the server and database.