i went onto a few of different sites and gathered pronouns from users and counted the most popular results (not exclusive btw, some used multiple)
he/him : 43 results
she/her : 35 results
they/them : 60 results
it/its : 15 results
xe/xem : 14 results
any pronouns : 6 results
fae/faer : 5 results
hy/hym : 5 results
ae/aer : 2 results
zie/zim : 2 results
bee/bees : 2 results
pup/pups : 2 results
bun/buns : 2 results
other : 43