UPDATED 2018-03-27
POUND-FOR-POUND
1 Demetrious Johnson
2 Conor McGregor
3 Georges St-Pierre
4 Daniel Cormier
4 Stipe Miocic
6 Max Holloway
7 TJ Dillashaw
8 Tyron Woodley
9 Cris Cyborg
10 Tony Ferguson
11 Amanda Nunes
12 Robert Whittaker
13 Cody Garbrandt
14 Khabib Nurmagomedov
15 Joanna Jedrzejczyk
FLYWEIGHT
Champion : Demetrious Johnson
1 Joseph Benavidez
2 Henry Cejudo
3 Ray Borg
4 Jussier Formiga
5 Sergio Pettis
6 Wilson Reis
7 Brandon Moreno
8 Ben Nguyen
9 Dustin Ortiz
10 John Moraga
11 Alexandre Pantoja
12 Matheus Nicolau
13 Tim Elliott
14 Deiveson Figueiredo
15 Magomed Bibulatov
BANTAMWEIGHT
Champion : TJ Dillashaw
1 Cody Garbrandt
2 Dominick Cruz
3 Raphael Assuncao
4 Jimmie Rivera
5 Marlon Moraes
6 John Lineker
7 John Dodson
8 Aljamain Sterling
8 Bryan Caraway
10 Pedro Munhoz
11 Cody Stamann
12 Rob Font
13 Thomas Almeida
14 Brett Johns
15 Eddie Wineland
FEATHERWEIGHT
Champion : Max Holloway
1 Brian Ortega
2 Jose Aldo
3 Frankie Edgar
4 Cub Swanson
5 Jeremy Stephens
6 Josh Emmett
7 Ricardo Lamas
8 Chan Sung Jung
9 Darren Elkins
10 Yair Rodriguez
11 Renato Moicano
12 Mirsad Bektic
13 Calvin Kattar
14 Myles Jury
15 Dooho Choi
LIGHTWEIGHT
Champion : Conor McGregor
1 Tony Ferguson (Interim Champion)
2 Khabib Nurmagomedov
3 Eddie Alvarez
4 Edson Barboza
5 Dustin Poirier
6 Justin Gaethje
7 Kevin Lee
8 Nate Diaz
9 Michael Chiesa
10 James Vick
11 Al Iaquinta
12 Anthony Pettis
13 Alexander Hernandez
14 Evan Dunham
15 Beneil Dariush
WELTERWEIGHT
Champion : Tyron Woodley
1 Stephen Thompson
2 Rafael Dos Anjos
3 Colby Covington
4 Robbie Lawler
5 Demian Maia
6 Jorge Masvidal
7 Kamaru Usman
7 Darren Till
9 Neil Magny
10 Santiago Ponzinibbio
11 Donald Cerrone
12 Carlos Condit
13 Gunnar Nelson
14 Leon Edwards
15 Dong Hyun Kim
MIDDLEWEIGHT
Champion : Robert Whittaker
1 Yoel Romero
2 Jacare Souza
3 Luke Rockhold
4 Chris Weidman
5 Kelvin Gastelum
6 Michael Bisping
7 Derek Brunson
8 David Branch
9 Vitor Belfort
10 Uriah Hall
11 Thiago Santos
12 Lyoto Machida
13 Krzysztof Jotko
14 Paulo Costa
15 Brad Tavares
LIGHT HEAVYWEIGHT
Champion : Daniel Cormier
1 Alexander Gustafsson
2 Volkan Oezdemir
3 Glover Teixeira
4 Ilir Latifi
5 Jan Blachowicz
6 Jimi Manuwa
7 Mauricio Rua
8 Ovince Saint Preux
9 Misha Cirkunov
10 Corey Anderson
11 Patrick Cummins
12 Tyson Pedro
13 Gadzhimurad Antigulov
14 Gian Villante
15 Jordan Johnson
HEAVYWEIGHT
Champion : Stipe Miocic
1 Francis Ngannou
2 Alistair Overeem
3 Alexander Volkov
4 Curtis Blaydes
5 Fabricio Werdum
6 Derrick Lewis
6 Mark Hunt
8 Marcin Tybura
9 Andrei Arlovski
10 Aleksei Oleinik
11 Stefan Struve
12 Shamil Abdurakhimov *NR
13 Tai Tuivasa
14 Junior Albini
15 Justin Ledet *NR
WOMEN’S STRAWWEIGHT
Champion : Rose Namajunas
1 Joanna Jedrzejczyk
2 Jessica Andrade
3 Claudia Gadelha
4 Karolina Kowalkiewicz
5 Tecia Torres
6 Carla Esparza
7 Michelle Waterson
8 Felice Herrig
9 Alexa Grasso
10 Cortney Casey
11 Randa Markos
12 Tatiana Suarez
13 Joanne Calderwood
14 Nina Ansaroff
15 Angela Hill *NR
WOMEN’S FLYWEIGHT
Champion : Nicco Montano
1 Valentina Shevchenko
2 Sijara Eubanks
3 Lauren Murphy
4 Alexis Davis
5 Roxanne Modafferi
6 Barb Honchak
7 Liz Carmouche
8 Katlyn Chookagian
9 Jessica-Rose Clark
10 Jessica Eye
11 Montana De La Rosa
12 Mara Romero Borella
13 Rachael Ostovich
14 Paige VanZant
15 Shana Dobson
WOMEN’S BANTAMWEIGHT
Champion : Amanda Nunes
1 Holly Holm
2 Raquel Pennington
3 Julianna Pena
4 Ketlen Vieira
5 Germaine de Randamie
6 Cat Zingano
7 Marion Reneau
8 Sara McMann
9 Leslie Smith
10 Bethe Correia
11 Aspen Ladd
12 Lucie Pudilova
13 Irene Aldana
14 Sarah Moras
15 Lina Lansberg *NR