Current breakdown at the time of this post sorted by the number of active users:
- lemmy.world: 101,013 users
- lemmy.ml: 41,972 users
- beehaw.org: 12,270 users
- sh.itjust.works: 17,509 users
- feddit.de: 8,675 users
- lemm.ee: 10,348 users
- lemmynsfw.com: 22,967 users
- lemmy.fmhy.ml: 8,777 users
- lemmy.ca: 5,072 users
- programming.dev: 5,058 users
If anything, I’m betting the population of lemmynsfw is more representative of the number of unique accounts across all instances since there’s really no point in creating more than one porn account.