Rankings by weight class
Elo recomputed over just that weight's bouts — performance at the weight, 4+ bouts in the division to qualify. Men's and women's are separate boards (gender from Wikidata).
Men's divisions
Men's Heavyweight
2,194
#1 Phil De Fries
Men's Light Heavyweight
1,592
#1 Jon Jones
Men's Middleweight
3,191
#1 Nursulton Ruziboev
Men's Welterweight
5,788
#1 Michael Morales
Men's Lightweight
7,138
#1 Raul Tutarauli
Men's Featherweight
7,017
#1 Movlid Khaybulaev
Men's Bantamweight
6,563
#1 Manoel Costa
Men's Flyweight
4,210
#1 Zhifa Shang
Men's Strawweight
829
#1 Bagdat Zhubanysh
Men's Atomweight
178
#1 Ade Permana