| 1 | Khabib Nurmagomedov | Lightweight | Russia |
| 2 | Jon Jones | Light heavyweight | United States |
| 3 | Israel Adesanya | Middleweight | Nigeria |
| 4 | Kamaru Usman | Welterweight | Nigeria |
| 5 | Stipe Miocic | Heavyweight | United States |
| 6 | Alexander Volkanovski | Featherweight | Australia |
| 7 | Dustin Poirier | Lightweight | United States |
| 8 | Max Holloway | Featherweight | United States |
| 9 | Deiveson Figueiredo | Flyweight | Brazil |
| 10 | Petr Yan | Bantamweight | Russia |
| 11 | Justin Gaethje | Lightweight | United States |
| 12 | Robert Whittaker | Middleweight | Australia |
| 13 | Francis Ngannou | Heavyweight | Cameroon / France |
| 14 | Jan Blachowicz | Light heavyweight | Poland |
| 15 | Conor McGregor | Lightweight | Ireland |
| Deiveson Figueiredo (Champion) | Brazil | |
| 1 | Brandon Moreno | Mexico |
| 2 | Joseph Benavidez | United States |
| 3 | Askar Askarov | Russia |
| 4 | Alex Perez | United States |
| 5 | Alexandre Pantoja | Brazil |
| 6 | Brandon Royval | United States |
| 7 | Matt Schnell | United States |
| 8 | Rogerio Bontorin | Brazil |
| 8 | Kai Kara-France | New Zealand |
| 10 | David Dvorak | Czech Republic |
| 11 | Raulian Paiva Frazao | Brazil |
| 12 | Tim Elliott | United States |
| 13 | Amir Albazi | Sweden |
| 14 | Su Mudaerji | China |
| 15 | Tyson Nam | United States |
| Petr Yan (Champion) | Russia | |
| 1 | Aljamain Sterling | United States |
| 2 | Cory Sandhagen | United States |
| 3 | Rob Font | United States |
| 4 | Cody Garbrandt | United States |
| 5 | Jose Aldo | Brazil |
| 6 | Marlon Moraes | Brazil |
| 7 | Frankie Edgar | United States |
| 8 | Pedro Munhoz | Brazil |
| 9 | Jimmie Rivera | United States |
| 10 | Raphael Assuncao | Brazil |
| 11 | Dominick Cruz | United States |
| 12 | Merab Dvalishvili | Georgia |
| 13 | Cody Stamann | United States |
| 14 | Song Yadong | China |
| 15 | Marlon Vera | Ecuador |
| Alexander Volkanovski (Champion) | Australia | |
| 1 | Max Holloway | United States |
| 2 | Brian Ortega | United States |
| 3 | Zabit Magomedsharipov | Russia |
| 4 | Yair Rodriguez | Mexico |
| 5 | Chan Sung Jung | South Korea |
| 6 | Calvin Kattar | United States |
| 7 | Josh Emmett | United States |
| 8 | Jeremy Stephens | United States |
| 9 | Dan Ige | United States |
| 10 | Sodiq Yusuff | Nigeria |
| 11 | Arnold Allen | England |
| 12 | Shane Burgos | United States |
| 13 | Bryce Mitchell | United States |
| 14 | Edson Barboza | Brazil |
| 15 | Movsar Evloev | Russia |
| Khabib Nurmagomedov (Champion) | Russia | |
| 1 | Dustin Poirier | United States |
| 2 | Justin Gaethje | United States |
| 3 | Charles Oliveira | Brazil |
| 4 | Michael Chandler | United States |
| 5 | Tony Ferguson | United States |
| 6 | Conor McGregor | Ireland |
| 7 | Rafael dos Anjos | Brazil |
| 8 | Dan Hooker | New Zealand |
| 9 | Beneil Dariush | Iran |
| 10 | Paul Felder | United States |
| 11 | Carlos Diego Ferreira | Brazil |
| 12 | Kevin Lee | United States |
| 13 | Al Iaquinta | United States |
| 14 | Islam Makhachev | Russia |
| 15 | Gregor Gillespie | United States |
| Kamaru Usman (Champion) | Nigeria | |
| 1 | Colby Covington | United States |
| 2 | Gilbert Burns | Brazil |
| 3 | Leon Edwards | Jamaica |
| 4 | Jorge Masvidal | United States |
| 5 | Stephen Thompson | United States |
| 6 | Michael Chiesa | United States |
| 7 | Tyron Woodley | United States |
| 8 | Demian Maia | Brazil |
| 9 | Neil Magny | United States |
| 10 | Vicente Luque | United States / Brazil |
| 11 | Geoff Neal | United States |
| 12 | Jingliang Li | China |
| 13 | Belal Muhammad | United States |
| 14 | Khamzat Chimaev | Sweden |
| 15 | Robbie Lawler | United States |
| Israel Adesanya (Champion) | Nigeria | |
| 1 | Robert Whittaker | Australia |
| 2 | Paulo Costa | Brazil |
| 3 | Jared Cannonier | United States |
| 4 | Darren Till | England |
| 5 | Marvin Vettori | Italy |
| 6 | Jack Hermansson | Norway / Sweden |
| 7 | Derek Brunson | United States |
| 8 | Kelvin Gastelum | United States |
| 9 | Uriah Hall | Jamaica |
| 10 | Kevin Holland | United States |
| 11 | Chris Weidman | United States |
| 12 | Edmen Shahbazyan | United States |
| 13 | Omari Akhmedov | Russia |
| 14 | Brad Tavares | United States |
| 15 | Sean Strickland | United States |
| Jan Blachowicz (Champion) | Poland | |
| 1 | Glover Teixeira | Brazil |
| 2 | Thiago Santos | Brazil |
| 3 | Dominick Reyes | United States |
| 4 | Aleksandar Rakic | Austria |
| 5 | Jiri Prochazka | Czech Republic |
| 6 | Anthony Smith | United States |
| 7 | Volkan Oezdemir | Switzerland |
| 8 | Nikita Krylov | Russia |
| 9 | Johnny Walker | Brazil |
| 10 | Misha Cirkunov | Latvia / Canada |
| 11 | Magomed Ankalaev | Russia |
| 12 | Jim Crute | Australia |
| 13 | Ryan Spann | United States |
| 14 | Paul Craig | Scotland |
| 15 | Jamahal Hill | United States |
| Stipe Miocic (Champion) | United States | |
| 1 | Francis Ngannou | Cameroon / France |
| 2 | Curtis Blaydes | United States |
| 3 | Jairzinho Rozenstruik | Suriname / Netherlands |
| 4 | Derrick Lewis | United States |
| 5 | Alexander Volkov | Russia |
| 6 | Alistair Overeem | Netherlands |
| 7 | Ciryl Gane | France |
| 8 | Shamil Abdurakhimov | Russia |
| 9 | Augusto Sakai | Brazil |
| 10 | Alexey Oleynik | Russia |
| 11 | Walt Harris | United States |
| 12 | Junior dos Santos | Brazil |
| 13 | Blagoy Ivanov | Bulgaria |
| 14 | Sergei Pavlovich | Russia |
| 15 | Marcin Tybura | Poland |
| 1 | Amanda Nunes | Women’s Bantamweight | Brazil |
| 2 | Valentina Shevchenko | Women’s Flyweight | Kyrgyzstan / Peru |
| 3 | Weili Zhang | Women’s Strawweight | China |
| 4 | Rose Namajunas | Women’s Strawweight | United States |
| 5 | Jessica Andrade | Women’s Strawweight | Brazil |
| 6 | Joanna Jedrzejczyk | Women’s Strawweight | Poland |
| 7 | Germaine de Randamie | Women’s Bantamweight | Netherlands |
| 8 | Holly Holm | Women’s Bantamweight | United States |
| 9 | Aspen Ladd | Women’s Bantamweight | United States |
| 10 | Katlyn Chookagian | Women’s Flyweight | United States |
| 11 | Nina Ansaroff | Women’s Strawweight | United States |
| 12 | Xiaonan Yan | Women’s Strawweight | China |
| 13 | Carla Esparza | Women’s Strawweight | United States |
| 14 | Cynthia Calvillo | Women’s Flyweight | United States |
| 15 | Claudia Gadelha | Women’s Strawweight | Brazil |
| Weili Zhang (Champion) | China | |
| 1 | Rose Namajunas | United States |
| 2 | Joanna Jedrzejczyk | Poland |
| 3 | Xiaonan Yan | China |
| 4 | Carla Esparza | United States |
| 5 | Nina Ansaroff | United States |
| 6 | Marina Rodriguez | Brazil |
| 7 | Claudia Gadelha | Brazil |
| 8 | Michelle Waterson | United States |
| 9 | Tecia Torres | United States |
| 10 | Amanda Ribas | Brazil |
| 11 | Mackenzie Dern | United States |
| 12 | Angela Hill | United States |
| 13 | Virna Jandiroba | Brazil |
| 14 | Felice Herrig | United States |
| 15 | Livinha Souza | Brazil |
| Valentina Shevchenko (Champion) | Kyrgyzstan / Peru | |
| 1 | Jessica Andrade | Brazil |
| 2 | Katlyn Chookagian | United States |
| 3 | Lauren Murphy | United States |
| 4 | Jennifer Maia | Brazil |
| 5 | Cynthia Calvillo | United States |
| 6 | Joanne Calderwood | Scotland |
| 7 | Viviane Araujo | Brazil |
| 8 | Jessica Eye | United States |
| 9 | Roxanne Modafferi | United States |
| 10 | Alexa Grasso | Mexico |
| 11 | Alexis Davis | Canada |
| 12 | Andrea Lee | United States |
| 13 | Taila Santos | Brazil |
| 14 | Antonina Shevchenko | Kyrgyzstan |
| 15 | Maycee Barber | United States |
| Amanda Nunes (Champion) | Brazil | |
| 1 | Germaine de Randamie | Netherlands |
| 2 | Holly Holm | United States |
| 3 | Aspen Ladd | United States |
| 4 | Irene Aldana | Mexico |
| 5 | Julianna Pena | United States |
| 6 | Ketlen Vieira | Brazil |
| 7 | Yana Kunitskaya | Russia |
| 8 | Sara McMann | United States |
| 9 | Marion Reneau | United States |
| 10 | Macy Chiasson | United States |
| 11 | Lina Lansberg | Sweden |
| 12 | Pannie Kianzad | Sweden / Iran |
| 13 | Sijara Eubanks | United States |
| 14 | Karol Rosa | Brazil |
| 15 | Julia Avila | United States |