Weili Zhang 
Deveison Figueiredo 
Valentina Shevchenko 
Petr Yan 
Amanda Nunes 
Alexander Volkanovski 
Khabib Nurmagomedov 
Kamaru Usman 
Israel Adesanya 
Jan Blachowicz 
Stipe Miocic
Rankings
Flyweight
Deveison Figueiredo (C)
- Brandon Moreno
- Joseph Benavidez
- Askar Askarov
- Alex Perez
- Alexandre Pantoja
- Brandon Royval
- Matt Schnell
- Rogerio Bontorin
- Kai Kara France
- David Dvorak
- Raulian Paiva
- Tim Elliot
- Amir Albazi
- Su Mudaerji
- Tyson Nam
Bantamweight
Petr Yan (C)
- Aljamain Sterling
- Cory Sandhaegen
- Rob Font
- Cody Garbrandt
- Jose Aldo
- Marlon Moraes
- Frankie Edgar
- Pedro Munhoz
- Jimmie Rivera
- Raphael Assuncao
- Dominick Cruz
- Merab Dvalishvili
- Cody Stamann
- Song Yadong
- Casey Kenney
Featherweight
Alexander Volkanovski (C)
- Max Holloway
- Brian Ortega
- Zabit Magomedsharipov
- Yair Rodriguez
- Chan Sung Jung
- Calvin Kattar
- Josh Emmett
- Jeremy Stephens
- Arnold Allen
- Sodiq Yusuf
- Dan Ige
- Shane Burgos
- Bryce Mitchell
- Ryan Hall
- Edson Barboza
Lightweight
Khabib Nurmagomedov (C)
- Dustin Poirier
- Justin Gaethje
- Charles Olivera
- Michael Chandler
- Tony Ferguson
- Conor Mcgregor
- Rafael Dos Anjos
- Dan Hooker
- Beneil Dariush
- Paul Felder
- Diego Ferreira
- Kevin Lee
- Al Iaquinta
- Islam Makhachev
- Gregor Gillespie
Welterweight
Kamaru Usman (C)
- Gilbert Burns
- Colby Covington
- Leon Edwards
- Jorge Masvidal
- Stephen Thompson
- Michael Chiesa
- Tyron Woodley
- Demian Maia
- Neil Magny
- Vincente Luque
- Geoff Neal
- Lin Jingliang
- Belal Muhammad
- Robbie Lawler
- Khamzat Chimaev
Middleweight
Israel Adesanya (C)
- Robert Whittaker
- Paulo Costa
- Jared Cannonier
- Darren Till
- Marvin Vettori
- Jack Hermansson
- Derek Brunson
- Uriah Hall
- Kelvin Gastelum
- Kevin Holland
- Chris Weidman
- Edmen Shahbazyan
- Brad Tavares
- Omari Akhmedov
- Ian Heinisch
Light Heavyweight
Jan Blachowicz (C)
- Glover Teixeira
- Thiago Santos
- Dominick Reyes
- Aleksandar Rakic
- Jiri Prochazka
- Anthony Smith
- Volkan Oezdemir
- Nikita Krylov
- Johnny Walker
- Misha Cirkunov
- Magomed Ankalaev
- Jim Crute
- Ryan Spann
- Paul Craig
- Jamahal Hill
Heavyweight
Stipe Miocic (C)
- Francis Ngannou
- Curtis Blaydes
- Jairzinho Rozenstruik
- Derrick Lewis
- Alexander Volkov
- Alistair Overeem
- Ciryl Gane
- Shamil Abdurakhimov
- Augusto Sakai
- Aleksei Oleinik
- Walt Harris
- Junior Dos Santos
- Blagoy Ivanov
- Sergei Pavlovich
- Marcin Tybura
Strawweight 
Weili Zhang (C)
- Rose Namajunas
- Joanna Jedrzejczyk
- Yan Xiaonan
- Carla Esparza
- Nina Ansaroff
- Marina Rodriguez
- Claudia Gadelha
- Michelle Waterson
- Tecia Torres
- Amanda Ribas
- Mackenzie Dern
- Angela Hill
- Virna Jandiroba
- Felice Herrig
- Livinha Souza
Flyweight
Valentina Shevchenko (C)
- Jessica Andrade
- Kaitlyn Chookagian
- Lauren Murphy
- Jennifer Maia
- Cynthia Calvillo
- Joanne Calderwood
- Viviane Araujo
- Jessica Eye
- Roxanne Modafferi
- Maycee Barber
- Andrea Lee
- Alexis Davis
- Talia Santos
- Antonina Shevchenko
- Alexa Grasso
Pound 4 Pound
- Khabib Nurmagomedov
- Jon Jones
- Israel Adesanya
- Stipe Miocic
- Kamaru Usman
- Alexander Volkanovski
- Dustin Poirier
- Max Holloway
- Deiveson Figueiredo
- Petr Yan
- Justin Gaethje
- Robert Whittaker
- Francis Ngannou
- Jan Blachowicz
- Conor Mcgregor
Bantamweight
Amanda Nunes (C)
- Germaine De Randamie
- Holly Holm
- Aspen Ladd
- Irene Aldana
- Julianna Pena
- Ketlen Vieira
- Yana Kunitskaya
- Sara McMann
- Marion Reneau
- Macy Chiasson
- Lina Lansberg
- Pannie Kianzad
- Sijara Eubanks
- Karol Rosa
- Julia Avila
