Professional Boxing has four major sanctioning bodies namely, WBC,WBA,IBF,WBO. Because of this division in sanctioning bodies, the sport does not have a centralized ranking system.
The rankings are published in a way that no two bodies have the same champion. This is done so that each body's champion is always available to frequently defend the championship against its top-ranked contender.
There is often more than one champion for the WBA and these champions are not present in the rankings of any of the other three bodies. The 'Super' and 'Regular' champions of the WBA are excluded from the rankings but their #1 spot is secured for the 'Interim' champion.
The top two places of the IBF's list are kept vacant until two of its other top-ranked contenders face off. The winner of this face-off fills in one of those vacant ranks.
Heavyweight (unlimited)
| Rank | WBA | WBC | IBF | WBO |
| C | Oleksandr Usyk (S) Daniel Dubois (R) | Tyson Fury | Oleksandr Usyk | Oleksandr Usyk |
| 1 | vacant | Deontay Wilder | vacant | Joe Joyce |
| 2 | Michael Hunter | Joe Joyce | Luis Ortiz | Joseph Parker |
| 3 | Robert Helenius | Joseph Parker | Filip Hrgovic | Frank Sánchez |
| 4 | Hughie Fury | Frank Sánchez | Anthony Joshua | Anthony Joshua |
| 5 | Anthony Joshua | Andy Ruiz | Tony Yoka | Andy Ruiz |
| 6 | Martin Bakole | Arslanbek Makhmudov | Joe Joyce | Daniel Dubois |
| 7 | Arslanbek Makhmudov | Dillian Whyte | Agit Kabayel | Luis Ortiz |
| 8 | Zhan Kossobutskiy | Luis Ortiz | Murat Gassiev | Zhilei Zhang |
| 9 | Deontay Wilder | Otto Wallin | Andy Ruiz | Michael Hunter |
| 10 | Lenier Pero | Robert Helenius | Demsey McKean | Demsey McKean |
Cruiserweight/Jr. Heavyweight (200 lbs)
| Rank | WBA | WBC | IBF | WBO |
| C | Arsen Goulamirian (S) Ryad Merhy (R) | Ilunga Makabu | Jai Opetaia | Lawrence Okolie |
| 1 | Yuniel Dorticos | Alexei Papin | vacant | Murat Gassiev |
| 2 | Alexey Egorov | Noel Gevor | vacant | Mateusz Masternak |
| 3 | Badou Jack | Thabiso Mchunu | Chris Billam-Smith | Chris Billam-Smith |
| 4 | Kamshybek Kunkabayev | Mateusz Masternak | Jai Opetaia | Badou Jack |
| 5 | Chris Billam-Smith | Sergey Kovalev | Mateusz Masternak | Yuniel Dorticos |
| 6 | Firat Arslan | Badou Jack | Jack Massey | Sergey Kovalev |
| 7 | Mike Perez | Chris Billam-Smith | Huseyin Cinkara | Krzysztof Glowacki |
| 8 | Brandon Glanton | Richard Riakporhe | Roman Fress | Jai Opetaia |
| 9 | Huseyin Cinkara | Yuniel Dorticos | Alante Green | Armend Xhoxhaj |
| 10 | Roman Fress | Alberto Peralta | Tommy McCarthy | Michał Cieślak |
Light Heavyweight (175 lbs)
| Rank | WBA | WBC | IBF | WBO |
| C | Dmitry Bivol (S) | Artur Beterbiev | Artur Beterbiev | Artur Beterbiev |
| 1 | Gilberto Ramírez | Callum Smith | Meng Fanlong | Anthony Yarde |
| 2 | Joshua Buatsi | Mathieu Bauderlique | Joshua Buatsi | Gilberto Ramírez |
| 3 | Callum Smith | Joshua Buatsi | Anthony Yarde | Maxim Vlasov |
| 4 | Andre Dirrell | Anthony Yarde | Gilberto Ramírez | Callum Smith |
| 5 | Dan Azeez | Robin Krasniqi | Badou Jack | Callum Johnson |
| 6 | Ricards Bolotniks | Marcus Browne | Pawel Stepien | Joshua Buatsi |
| 7 | Dominic Boesel | Ali Izmailov | Mathieu Bauderlique | Mathieu Bauderlique |
| 8 | Yunieski Gonzalez | Leon Bunn | Michael Eifert | Meng Fanlong |
| 9 | Anthony Yarde | Igor Mikhalkin | Faris Chevalier | Radivoje Kaldjdzic |
| 10 | Craig Richards | Meng Fanlong | Braiian Suarez | Leon Bunn |
Super Middleweight (168 lbs)
| Rank | WBA | WBC | IBF | WBO |
| C | Canelo Álvarez David Benavidez (I) | Canelo Álvarez (S) David Morrell (R) | Canelo Álvarez | Canelo Álvarez |
| 1 | Aidos Yerbossynuly | Pavel Silyagin | vacant | Zach Parker |
| 2 | John Ryder | Caleb Plant | vacant | David Benavidez |
| 3 | Caleb Plant | Christian M'billi | Evgeny Shvedenko | David Lemieux |
| 4 | Anthony Dirrell | Anthony Dirrell | Aidos Yerbossynuly | John Ryder |
| 5 | Erik Bazinyan | John Ryder | Ali Akhmedov | Aslambek Idigov |
| 6 | Rocky Fielding | Daniel Jacobs | Aslambek Idigov | Edgar Berlanga |
| 7 | Padraig McCrory | Jesse Hart | William Scull | Erik Bazinyan |
| 8 | Edgar Berlanga | Vladimir Shishkin | Daniele Scardina | Aidos Yerbossynuly |
| 9 | Demond Nicholson | Billy Joe Saunders | Vladimir Shishkin | Daniele Scardina |
| 10 | Kalvin Henderson | Lerrone Richards | Lerrone Richards | Giovanni De Carolis |
Welterweight (147 lbs)
| Rank | WBA | WBC | IBF | WBO |
| C | Errol Spence Jr. (S) Eimantas Stanionis (R) | Errol Spence Jr. | Errol Spence Jr. | Terence Crawford |
| 1 | Vergil Ortiz Jr. | Vergil Ortiz Jr. | Jaron Ennis | Vergil Ortiz Jr. |
| 2 | Jaron Ennis | David Avanesyan | vacant | Jaron Ennis |
| 3 | Keith Thurman | Jaron Ennis | Jaron Ennis | Conor Benn |
| 4 | Conor Benn | Keith Thurman | Vergil Ortiz Jr. | Keith Thurman |
| 5 | Yordenis Ugás | Conor Benn | Conor Benn | Michael McKinson |
| 6 | Gabriel Maestre | Yordenis Ugás | Custio Clayton | Cody Crowley |
| 7 | Radzhab Butaev | Thulani Mbenge | Ivan Golub | David Avanesyan |
| 8 | Jesus Ramos | Mikey Garcia | David Avanesyan | Lewis Crocker |
| 9 | Taras Shelestyuk | Cody Crowley | Karen Chukhadzhian | Keita Obara |
| 10 | Michael McKinson | Alexander Besputin | Keita Obara | Ryota Toyoshima |
Super Lightweight/Jr. Welterweight (140 lbs)
| Rank | WBA | WBC | IBF | WBO |
| C | vacant | vacant | Josh Taylor | Josh Taylor |
| 1 | Alberto Puello | Jose Zepeda | Jeremias Ponce | Liam Paro |
| 2 | Ismael Barroso | Jose Carlos Ramirez | Subriel Matías | Jose Carlos Ramirez |
| 3 | Ohara Davies | Regis Prograis | Liam Paro | Jack Catterall |
| 4 | Sandor Martin | Jack Catterall | Shohjahon Ergashev | Teofimo Lopez |
| 5 | Regis Prograis | Sandor Martin | Regis Prograis | Jose Zepeda |
| 6 | Batyr Akhmedov | Teófimo López | Jack Catterall | Regis Prograis |
| 7 | Shakhram Giyasov | Gary Antuanne Russell | Teófimo López | Sandor Martin |
| 8 | Teofimo Lopez | Subriel Matías | Andy Hiraoka | Arnold Barboza Jr. |
| 9 | Cletus Seldin | Jeremias Ponce | Gabriel Valenzuela | Shohjahon Ergashev |
| 10 | Lewis Ritson | Omar Alejandro Aguilar | Brandun Lee | Danielito Zorilla |
Lightweight (135 lbs)
| Rank | WBA | WBC | IBF | WBO |
| C | Devin Haney (S) Gervonta Davis (R) | Devin Haney | Devin Haney | Devin Haney |
| 1 | vacant | Vasiliy Lomachenko | Gustavo Daniel Lemos | Vasiliy Lomachenko |
| 2 | Jezreel Corrales | Ryan Garcia | vacant | Denys Berinchyk |
| 3 | Michel Rivera | Isaac Cruz | Vasiliy Lomachenko | Isaac Cruz |
| 4 | Vasiliy Lomachenko | George Kambosos Jr | Isaac Cruz | Angel Fierro |
| 5 | Rolando Romero | Zaur Abdullaev | Michel Rivera | William Zepeda |
| 6 | Ryan Garcia | Joseph Diaz | Billy Dib | Francesco Patera |
| 7 | Gary Cully | Yvan Mendy | Denys Berinchyk | Shuichiro Yoshino |
| 8 | William Zepeda | Richard Commey | Richard Commey | Michel Rivera |
| 9 | Javier Fortuna | Jamaine Ortiz | Ryan Garcia | Gary Cully |
| 10 | Joseph Diaz | Jeremia Nakathila | Maxi Hughes | Gustavo Daniel Lemos |
Super Featherweight/Jr. Lightweight (130 lbs)
| Rank | WBA | WBC | IBF | WBO |
| C | Roger Gutiérrez | Shakur Stevenson | Joe Cordina | Shakur Stevenson |
| 1 | Héctor Luis Garcia | O'Shaquie Foster | Shavkatdzhon Rakhimov | Archie Sharp |
| 2 | Jono Carroll | Robson Conceicao | Zelfa Barrett | Robson Conceicao |
| 3 | Angel Rodriguez | Óscar Valdez | vacant | Óscar Valdez |
| 4 | Lamont Roach Jr. | Eduardo Ramirez | Samir Ziani | Jamel Herring |
| 5 | Otar Eranosyan | Shavkatdzhon Rakhimov | Azinga Fuzile | Lamont Roach Jr. |
| 6 | Eduardo Ramirez | Muhammadkhuja Yaqubov | Bruno Tarimo | Liam Wilson |
| 7 | Chris Colbert | Samir Ziani | Abraham Nova | Albert Bell |
| 8 | Jaime Arboleda | Eduardo Hernandez | Brock Jarvis | O'Shaquie Foster |
| 9 | Sultan Zaurbek | Pablo Vicente | Guillaume Frenois | Matias Rueda |
| 10 | Eduardo Hernandez | Kid Galahad | Michael Magnesi | Ruslan Kamilov |
Featherweight (126 lbs)
| Rank | WBA | WBC | IBF | WBO |
| C | Leo Santa Cruz (S) Leigh Wood (R) | Rey Vargas | Josh Warrington | Emanuel Navarrete |
| 1 | Thomas Ward | vacant | Luis Lopez-Vargas | Joet Gonzalez |
| 2 | Otabek Kholmatov | Gary Russell Jr. | vacant | Isaac Dogboe |
| 3 | Anselmo Moreno | Joet Gonzalez | Mauricio Lara | Mauricio Lara |
| 4 | Michael Conlan | Lerato Dlamini | Kiko Martinez | Abraham Nova |
| 5 | Luis Nunez | Isaac Dogboe | Kid Galahad | Luis Lopez-Vargas |
| 6 | Raymond Ford | Satoshi Shimizu | Hinata Maruta | Rey Vargas |
| 7 | Christopher Díaz | Luis Lopez-Vargas | Isaac Dogboe | Thomas Ward |
| 8 | Leonardo Padilla | Hinata Maruta | Jordan Gill | Bryan Chevalier |
| 9 | Xu Can | Michael Conlan | Ryo Sagawa | Eduardo Baez |
| 10 | Sakaria Lukas | Xu Can | Reiya Abe | Jong |
Super Bantamweight/Jr. Featherweight(122 lbs)
| Rank | WBA | WBC | IBF | WBO |
| C | Murodjon Akhmadaliev (S) | Stephen Fulton | Murodjon Akhmadaliev | Stephen Fulton |
| 1 | Ronny Rios | Brandon Figueroa | Marlon Tapales | Daniel Roman |
| 2 | Azat Hovhannisyan | Luis Nery | vacant | Brandon Figueroa |
| 3 | Tomoki Kameda | Azat Hovhannisyan | Luis Nery | Luis Nery |
| 4 | Oleh Dovhun | Carlos Castro | Ronny Rios | Mike Plania |
| 5 | Lee McGregor | Chainoi Worawut | Mike Plania | Marlon Tapales |
| 6 | Kevin Gonzalez | Daniel Roman | Azat Hovhannisyan | Azat Hovhannisyan |
| 7 | Rafael Pedroza | David Picasso | Thomas Ward | Zolani Tete |
| 8 | Mike Plania | Ra'eese Aleem | Ra'eese Aleem | Angelo Leo |
| 9 | Shabaz Masoud | Ludumo Lamati | Carl Martin | Carlos Castro |
| 10 | Carl Martin | Ionut Baluta | Jason Cunningham | Ra'eese Aleem |
Bantamweight (118 lbs)
| Rank | WBA | WBC | IBF | WBO |
| C | Naoya Inoue (S) | Naoya Inoue | Naoya Inoue | Paul Butler |
| 1 | Rau'shee Warren | Jason Moloney | vacant | John Riel Casimero |
| 2 | Gary Antonio Russell | Nawaphon Kaikanha | vacant | Rau'shee Warren |
| 3 | Liborio Solis | Takuma Inoue | Nikolai Potapov | Jason Moloney |
| 4 | Melvin Lopez | Nonito Donaire | Takuma Inoue | Charlie Edwards |
| 5 | Ramon Cardenas | Charlie Edwards | Gary Antonio Russell | Saul Sanchez |
| 6 | Emmanuel Rodriguez | Emmanuel Rodriguez | Aston Palicte | Vincent Astrolabio |
| 7 | Manyo Plange | Reymart Gaballo | Prince Dzanie | Melvin Lopez |
| 8 | Saul Sanchez | Rau'shee Warren | Vincent Astrolabio | Lee McGregor |
| 9 | Jason Moloney | Gary Antonio Russell | Melvin Lopez | Emmanuel Rodriguez |
| 10 | Victor Santillan | Lee McGregor | Ryosuke Nishida | Israel Gonzalez |
Super Flyweight/Jr. Bantamweight (115 lbs)
| Rank | WBA | WBC | IBF | WBO |
| C | Juan Francisco Estrada (S) Joshua Franco (R) | Jesse Rodríguez | Fernando Martínez | Kazuto Ioka |
| 1 | Román González | Román González | Jade Bornea | Kosei Tanaka |
| 2 | Sirichai Thaiyen | Srisaket Sor Rungvisai | vacant | Norbelto Jimenez |
| 3 | Donnie Nietes | Pedro Guevara | Charlie Edwards | Francisco Rodriguez Jr. |
| 4 | Keiver Fernández | Norbelto Jimenez | Francisco Rodriguez Jr. | Andrew Moloney |
| 5 | Andrew Moloney | Andrew Moloney | Kosei Tanaka | Prince Patel |
| 6 | David Cuellar | Kosei Tanaka | Jerwin Ancajas | Yanga Sigqibo |
| 7 | Kenta Nakagawa | Jerwin Ancajas | Mohammed Obbadi | Pedro Guevara |
| 8 | Ronal Batista | Yanga Sigqibo | Sho Ishida | KJ Cataraja |
| 9 | Charlie Edwards | Carlos Cuadras | Jonathan Javier Rodriguez | David Cuellar |
| 10 | Norbelto Jimenez | Israel Gonzalez | Prince Patel | Donnie Nietes |
Flyweight (112 lbs)
| Rank | WBA | WBC | IBF | WBO |
| C | Artem Dalakian | Julio Cesar Martinez McWilliams Arroyo (I) | Sunny Edwards | Junto Nakatani |
| 1 | David Jimenez | Angel Ayala Lardizabal | Ricardo Rafael Sandoval | Ricardo Rafael Sandoval |
| 2 | Ricardo Rafael Sandoval | Francisco Rodriguez Jr. | vacant | Cristian Gonzalez |
| 3 | Felix Alvarado | Ricardo Rafael Sandoval | Felix Alvarado | Seigo Yuri Akui |
| 4 | Angel Francisco Ramos | Moruti Mthalane | Jayson Mama | Olimjon Nazarov |
| 5 | Samuel Carmona | Felix Alvarado | Muhammad Waseem | Jackson Chauke |
| 6 | Dave Apolinario | Giemel Magramo | Joselito Velazquez | Ángel Acosta |
| 7 | Tanes Ongjunta | Seigo Yuri Akui | Samuel Carmona | Andres Campos |
| 8 | Jade Bornea | Muhammad Waseem | Rosendo Quarneros | Angel Ayala Lardizabal |
| 9 | Anthony Olascuaga | Thananchai Charunphak | Andres Campos | Angel Francisco Ramos |
| 10 | Luis Concepcion | Jackson Chauke | Dave Apolinario | Joselito Velazquez |
Junior Flyweight/Light Flyweight (108 lbs)
| Rank | WBA | WBC | IBF | WBO |
| C | Hiroto Kyoguchi (S) | Kenshiro Teraji | vacant | Jonathan González |
| 1 | Daniel Matellon | Hekkie Budler | Sivenathi Nontshinga | Riku Kano |
| 2 | Shokichi Iwata | Shokichi Iwata | vacant | Mark Vicelles |
| 3 | Carlos Canizales | Elwin Soto | Hector Gabriel Flores | Elwin Soto |
| 4 | Hector Gabriel Flores | Mark Vicelles | Mark Vicelles | Shokichi Iwata |
| 5 | Masamichi Yabuki | Kenichi Horikawa | Christian Araneta | Daniel Valladares |
| 6 | Hekkie Budler | Nhlanhla Tyirha | Ronald Chacon | Thanongsak Simsri |
| 7 | Jose Argumedo | Carlos Canizales | Regie Suganob | Nhlanhla Tyirha |
| 8 | Ronald Chacon | Azael Villar | Carlos Canizales | Tibo Monabesa |
| 9 | Leandro Blanc | Jairo Noriega | Jose Javier Torres | Mark Anthony Barriga |
| 10 | Thanongsak Simsri | Masamichi Yabuki | Riku Kano | Masamichi Yabuki |
Minimumweight/Mini-Flyweight (105 lbs)
| Rank | WBA | WBC | IBF | WBO |
| C | Knockout CP Freshmart (S) Eric Rosa (R) | Petchmanee Kokietgym | Daniel Valladares | Masataka Taniguchi |
| 1 | Vic Saludar | Ginjiro Shigeoka | vacant | Melvin Jerusalem |
| 2 | Oscar Collazo | Melvin Jerusalem | vacant | Wilfredo Mendez |
| 3 | Hasanboy Dusmatov | Wanheng Menayothin | vacant | Ginjiro Shigeoka |
| 4 | Luis Castillo Soto | Ayanda Ndulani | Melvin Jerusalem | Oscar Collazo |
| 5 | Ginjiro Shigeoka | Marco John Rementizo | Ginjiro Shigeoka | Wanheng Menayothin |
| 6 | Melvin Jerusalem | Yudai Shigeoka | Ayanda Ndulani | Vic Saludar |
| 7 | Bangile Nyangani | Wilfredo Méndez | Siphamandla Baleni | Samuel Salva |
| 8 | Huu Toan Le | Siphamandia Baleni | Samuel Salva | Yudel Reyes |
| 9 | Sitthhisak Simsri | Pedro Taduran | Bangile Nyangani | Yudai Shigeoka |
| 10 | Gohan Garcia | Tsubasa Koura | Joey Canoy | ArAr Andales |
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