So theres this awesome tool that shows which members belong in one sub are in other subreddits.

https://subredditstats.com/subreddit-user-overlaps/

So we can find out where the majority of people on purple pill are from. And its really no surprise the majority of men here are incels and the majority of women here are toxic sexist men hating FDS chicks, and the rest are mostly red pillers and guys looking for dating advice.

62.92% - incelswithouthate

61.15% - femaledatingstrategy

52.23 % - asktrp

47.43% - whereareallthegoodmen

35.50% - mgtow

31.50% - gendercritical

25.58% - mensrights

22.91% - foreveralone

16.76% - seduction

16.02 % - datingoverthirty

Note - Remember this is only subs they have in common and not their beliefs. So its very possible they subscribe to things to find information on them which means it can be inaccurate of what the actual users beliefs are. For example an incel may be subscribed to FDS simply to read and laugh.