Ratings for events through December 31, 2021. All weight classes/pound-for-pound.
Key: Fighter won recent fight ; Fighter lost recent fight ; Inactive: last rated win > one year ago
| Dec Rank |
Jan Rank |
Fighter | WC | Rating | Rated Record | Org | December results |
| 1 | 1 | Kamaru Usman | WW | 96.04 | 15-0-0 | UFC |  |
| 2 | 2 | Khabib Nurmagomedov | LW | 88.87 | 15-0-0 | UFC | --last rated win -14 months. |
| 3 | 3 | Francis Ngannou | HW | 85.22 | 10-2-0 | UFC | |
| 4 | 4 | Jon Jones | LH | 72.62 | 20-1-0 | UFC | --last rated win -22 months. |
| 5 | 5 | Stipe Miocic | HW | 65.10 | 15-4-0 | UFC | --last rated win -16 months. |
| 14 | 6 | Charles Oliveira | LW | 64.27 | 23-8-0 | UFC | Beat #7 Dustin Poirier |
| 6 | 7 | Alexander Volkanovski | FW | 59.86 | 15-0-0 | UFC | |
| 8 | 8 | Robert Whittaker | MW | 54.79 | 15-5-0 | UFC | |
| 9 | 9 | Henry Cejudo | BW | 53.69 | 10-2-0 | UFC | --last rated win -19 months. |
| 10 | 10 | Israel Adesanya | MW | 53.63 | 11-1-0 | UFC | |
| 11 | 11 | Vadim Nemkov | LH | 52.68 | 9-2-0 | Bell | |
| 12 | 12 | Gegard Mousasi | MW | 52.39 | 39-7-2 | Bell | |
| 13 | 13 | Glover Teixeira | LH | 51.76 | 26-6-0 | UFC | |
| 15 | 14 | A.J. McKee | FW | 48.22 | 12-0-0 | Bell | |
| 16 | 15 | Aljamain Sterling | BW | 44.62 | 14-3-0 | UFC | |
| 17 | 16 | Jan Blachowicz | LH | 44.43 | 22-7-0 | UFC | |
| 7 | 17 | Dustin Poirier | LW | 41.88 | 23-7-0 | UFC | Lost to #14 Charles Oliveira |
| 18 | 18 | Bibiano Fernandes | BW | 41.01 | 21-2-0 | One | --last rated win -26 months. |
| 20 | 19 | Ciryl Gane | HW | 40.11 | 8-0-0 | UFC | |
| 21 | 20 | Justin Gaethje | LW | 39.79 | 17-3-0 | UFC | |
| 22 | 21 | Beneil Dariush | LW | 38.54 | 16-4-1 | UFC | |
| 23 | 22 | Gilbert Burns | WW | 37.17 | 13-4-0 | UFC | |
| 24 | 23 | Patricio Freire | FW | 36.89 | 19-5-0 | Bell | |
| 55 | 24 | Hiromasa Ougikubo | BW | 36.36 | 21-5-1 | Rizi | Beat #98 Naoki Inoue; Beat #46 Kai Asakura |
| 97 | 25 | Sergio Pettis | BW | 35.93 | 15-5-0 | Bell | Beat #19 Kyoji Horiguchi |
| 26 | 26 | Leon Edwards | WW | 35.67 | 13-2-0 | UFC | |
| 27 | 27 | Brandon Moreno | FL | 34.66 | 9-2-2 | UFC | |
| 25 | 28 | Georges St. Pierre | MW | 34.21 | 24-2-0 | UFC | --last rated win -49 months. |
| 28 | 29 | Rafael Lovato Jr. | MW | 34.06 | 7-0-0 | Bell | --last rated win -30 months. |
| 29 | 30 | Daniel Cormier | HW | 32.85 | 18-3-0 | UFC | --last rated win -37 months. |
| 30 | 31 | Movlid Khaybulaev | FW | 32.39 | 8-0-1 | Prof | |
| 31 | 32 | Derek Brunson | MW | 32.07 | 18-7-0 | UFC | |
| 32 | 33 | Corey Anderson | LH | 32.06 | 11-4-0 | Bell | |
| 33 | 34 | Vicente Luque | WW | 31.98 | 13-2-0 | UFC | |
| 34 | 35 | Islam Makhachev | LW | 31.53 | 13-1-0 | UFC | |
| 43 | 36 | Belal Muhammad | WW | 31.46 | 15-3-0 | UFC | Beat #121 Stephen Thompson |
| 35 | 37 | Rae Yoon Ok | LW | 31.37 | 8-2-0 | One | |
| 36 | 38 | T.J. Dillashaw | BW | 31.27 | 13-3-0 | UFC | |
| 37 | 39 | Philip De Fries | HW | 30.91 | 13-6-0 | KSW | |
| 38 | 40 | Max Holloway | FW | 30.64 | 21-6-0 | UFC | |
| 39 | 41 | Adriano Moraes | FL | 30.61 | 8-2-0 | One | |
| 40 | 42 | Yaroslav Amosov | WW | 30.10 | 8-0-0 | Bell | |
| 48 | 43 | Derrick Lewis | HW | 29.86 | 15-6-0 | UFC | Beat #175 Chris Daukaus |
| 42 | 44 | Curtis Blaydes | HW | 28.59 | 11-3-0 | UFC | |
| 41 | 45 | Colby Covington | WW | 28.54 | 10-3-0 | UFC | --last rated win -15 months. |
| 19 | 46 | Kyoji Horiguchi | BW | 28.44 | 27-4-0 | Bell | Lost to #97 Sergio Pettis |
| 44 | 47 | Movsar Evloev | FW | 28.14 | 10-0-0 | UFC | |
| 45 | 48 | Ray Cooper III | WW | 27.99 | 15-4-1 | Prof | |
| 47 | 49 | Sean Brady | WW | 27.32 | 8-0-0 | UFC | |
| 49 | 50 | Magomed Ankalaev | LH | 27.07 | 9-1-0 | UFC | |
| 50 | 51 | Merab Dvalishvili | BW | 26.39 | 8-2-0 | UFC | |
| 67 | 52 | Roberto de Souza | LW | 26.06 | 10-1-0 | Rizi | Beat #246 Yusuke Yachi |
| 51 | 53 | Thanh Le | FW | 25.72 | 10-1-0 | One | --last rated win -14 months. |
| 89 | 54 | Ali Bagov | WW | 25.60 | 15-8-0 | ACA | Beat #162 Andrei Koshkin |
| 52 | 55 | Magomedrasul Khasbulaev | FW | 25.58 | 15-3-0 | ACA | |
| 53 | 56 | Khamzat Chimaev | WW | 25.48 | 7-0-0 | UFC | |
| 88 | 57 | Josh Emmett | FW | 25.16 | 11-2-0 | UFC | Beat #213 Dan Ige |
| 144 | 58 | Jose Aldo | BW | 25.15 | 25-7-0 | UFC | Beat #62 Rob Font |
| 93 | 59 | Roberto Soldic | MW | 25.09 | 10-1-0 | KSW | Beat #164 Mamed Khalidov |
| 54 | 60 | Zabit Magomedsharipov | FW | 25.08 | 9-0-0 | UFC | --last rated win -25 months. |
| 56 | 61 | Sean Strickland | MW | 24.98 | 18-3-0 | UFC | |
| 57 | 62 | Alexandre Pantoja | FL | 24.69 | 10-3-0 | UFC | |
| 58 | 63 | Isao Kobayashi | FW | 24.61 | 24-5-2 | Panc | |
| 59 | 64 | Petr Yan | BW | 24.54 | 10-1-0 | UFC | |
| 60 | 65 | Joshua Pacio | FL | 24.38 | 5-1-0 | One | |
| 63 | 66 | Islam Mamedov | LW | 24.05 | 9-0-1 | Bell | |
| 61 | 67 | Demetrious Johnson | FL | 24.00 | 22-4-1 | One | --last rated win -26 months. |
| 64 | 68 | Marvin Vettori | LH | 23.89 | 9-3-1 | UFC | |
| 66 | 69 | Azamat Kerefov | FL | 23.73 | 7-0-0 | ACA | |
| 68 | 70 | Muslim Salikhov | WW | 23.68 | 7-1-0 | UFC | |
| 69 | 71 | Giga Chikadze | FW | 23.56 | 7-0-0 | UFC | |
| 65 | 72 | Guram Kutateladze | LW | 23.55 | 6-0-0 | UFC | --last rated win -14 months. |
| 70 | 73 | Tatsuki Saomoto | FL | 23.51 | 15-1-0 | Rizi | |
| 71 | 74 | Abubakar Vagaev | WW | 23.47 | 14-3-0 | ACA | |
| 72 | 75 | Michael Page | WW | 23.36 | 14-1-0 | Bell | |
| 73 | 76 | Jason Jackson | WW | 23.29 | 10-2-0 | Bell | |
| 103 | 77 | Mateusz Gamrot | LW | 23.23 | 14-1-0 | UFC | Beat #290 Diego Ferreira |
| 75 | 78 | Ryan Bader | HW | 23.10 | 22-7-0 | Bell | |
| 76 | 79 | Abdul-Aziz Abdulvakhabov | LW | 23.07 | 9-1-0 | ACA | |
| 77 | 80 | Natan Schulte | LW | 23.05 | 11-2-1 | Prof | |
| 78 | 81 | Alexander Volkov | HW | 23.03 | 22-8-0 | UFC | |
| 74 | 82 | Artem Reznikov | LW | 22.97 | 5-0-0 | ACA | --last rated win -15 months. |
| 79 | 83 | Timur Valiev | BW | 22.90 | 9-1-0 | UFC | |
| 80 | 84 | Gadzhi Khiramagomedov | WW | 22.89 | 9-3-0 | ACA | |
| 81 | 85 | Christian Lee | LW | 22.87 | 9-3-0 | One | |
| 82 | 86 | Arnold Allen | FW | 22.77 | 9-0-0 | UFC | |
| 83 | 87 | Lorenz Larkin | MW | 22.74 | 14-7-0 | Bell | |
| 85 | 88 | John Lineker | BW | 22.55 | 13-3-0 | One | |
| 86 | 89 | Neil Magny | WW | 22.44 | 17-8-0 | UFC | |
| 87 | 90 | Phil Davis | LH | 22.42 | 19-6-0 | Bell | |
| 84 | 91 | Deiveson Figueiredo | FL | 22.35 | 10-2-1 | UFC | --last rated win -12 months. |
| 145 | 92 | Juntaro Ushiku | FW | 21.92 | 16-6-0 | Deep | Beat #188 Kouya Kanda |
| 92 | 93 | Valentin Moldavsky | HW | 21.84 | 7-1-0 | Bell | |
| 91 | 94 | Bryce Mitchell | FW | 21.83 | 8-0-0 | UFC | --last rated win -14 months. |
| 95 | 95 | Fabricio Andrade | BW | 21.67 | 2-0-0 | One | |
| 96 | 96 | Magomedrasul Gasanov | MW | 21.64 | 4-0-0 | ACA | |
| 46 | 97 | Kai Asakura | BW | 21.57 | 14-4-0 | Rizi | Beat #171 Kenta Takizawa; Lost to #55 Hiromasa Ougikubo |
| 94 | 98 | Kiamrian Abbasov | WW | 21.56 | 5-1-0 | One | --last rated win -14 months. |
| 99 | 99 | Jiri Prochazka | LH | 21.41 | 15-1-1 | UFC | |
| 100 | 100 | Jared Cannonier | MW | 21.33 | 7-5-0 | UFC |