2018 (all fighters making $100,000+ below; for entire list see link at end):
1 Conor McGregor $3,030,000
2 Khabib Nurmagomedov $2,570,000
3 Mark Hunt $2,295,000
4 Daniel Comier $1,820,000
5 Alistair Overeem $1,720,000
6 Derrick Lewis $1,440,000
7 Stipe Miocic $1,430,000
8 Andrei Arlovski* $1,255,000
9 Cris Cyborg $1,080,000
10 Donald Cerrone $900,000
-TheSportsDaily.com
https://thesportsdaily.com/2019/01/13/2018-ufc-fighter-salaries-complete-list-fox11/
2019:
https://thesportsdaily.com/2019/04/26/2019-mma-top-ten-earners-fox11/