Heavyweight | ||
 #1 
Tyson Fury |
International Boxing Federation Interim World | Vacant |
| International Boxing Federation World | Oleksandr Usyk | |
| International Boxing Organization World | Oleksandr Usyk | |
| World Boxing Association Gold World | Robert Helenius | |
| World Boxing Association Super World | Oleksandr Usyk | |
| World Boxing Association World | Trevor Bryan | |
| World Boxing Council Diamond | Vacant | |
| World Boxing Council Interim World | Dillian Whyte | |
| World Boxing Council World | Tyson Fury | |
| World Boxing Organisation Global | Vacant | |
| World Boxing Organisation Interim World | Vacant | World Boxing Organisation World | Oleksandr Usyk |
Cruiserweight | ||
|
#1 
Mairis Briedis |
International Boxing Federation Interim World | Vacant |
| International Boxing Federation World | Mairis Briedis | |
| International Boxing Organization World | Vacant | |
| World Boxing Association Gold World | Aleksei Egorov | |
| World Boxing Association Super World | Arsen Goulamirian | |
| World Boxing Association World | Ryad Merhy | |
| World Boxing Council Diamond | Vacant | |
| World Boxing Council Interim World | Vacant | |
| World Boxing Council World | Ilunga Junior Makabu | |
| World Boxing Organisation Global | Jai Opetaia | |
| World Boxing Organisation Interim World | Vacant | World Boxing Organisation World | Lawrence Okolie |
Light Heavyweight | ||
|
#1 
Callum Smith |
International Boxing Federation Interim World | Vacant |
| International Boxing Federation World | Artur Beterbiev | |
| International Boxing Organization World | Dominic Boesel | |
| World Boxing Association Gold World | Vacant | |
| World Boxing Association Super World | Dmitry Bivol | |
| World Boxing Association World | Vacant | |
| World Boxing Council Diamond | Vacant | |
| World Boxing Council Interim World | Vacant | |
| World Boxing Council World | Artur Beterbiev | |
| World Boxing Organisation Global | Callum Johnson | |
| World Boxing Organisation Interim World | Vacant | World Boxing Organisation World | Joe Smith Jr |
Super Middleweight | ||
|
#1 
Saul Alvarez |
International Boxing Federation Interim World | Vacant |
| International Boxing Federation World | Caleb Plant | |
| International Boxing Organization World | Carlos Gongora | |
| World Boxing Association Gold World | Fedor Chudinov | |
| World Boxing Association Super World | Saul Alvarez | |
| World Boxing Association World | David Morrell | |
| World Boxing Council Diamond | Vacant | |
| World Boxing Council Interim World | Vacant | |
| World Boxing Council World | Saul Alvarez | |
| World Boxing Organisation Global | Vacant | |
| World Boxing Organisation Interim World | Vacant | World Boxing Organisation World | Saul Alvarez |
Middleweight | ||
|
#1 
Gennadiy Golovkin |
International Boxing Federation Interim World | Vacant |
| International Boxing Federation World | Gennadiy Golovkin | |
| International Boxing Organization World | Gennadiy Golovkin | |
| World Boxing Association Gold World | Vacant | |
| World Boxing Association Super World | Vacant | |
| World Boxing Association World | Erislandy Lara | |
| World Boxing Council Diamond | Vacant | |
| World Boxing Council Interim World | Vacant | |
| World Boxing Council World | Jermall Charlo | |
| World Boxing Organisation Global | Zhanibek Alimkhanuly | |
| World Boxing Organisation Interim World | Vacant | World Boxing Organisation World | Demetrius Andrade |
Light Middleweight | ||
|
#1 
Jermell Charlo |
International Boxing Federation Interim World | Vacant |
| International Boxing Federation World | Jermell Charlo | |
| International Boxing Organization World | Erislandy Lara | |
| World Boxing Association Gold World | Michel Soro | |
| World Boxing Association Super World | Jermell Charlo | |
| World Boxing Association World | Vacant | |
| World Boxing Council Diamond | Vacant | |
| World Boxing Council Interim World | Vacant | |
| World Boxing Council World | Jermell Charlo | |
| World Boxing Organisation Global | Tim Tszyu | |
| World Boxing Organisation Interim World | Vacant | World Boxing Organisation World | Brian Carlos Castano |
Welterweight | ||
|
#1 
Errol Spence Jr |
International Boxing Federation Interim World | Vacant |
| International Boxing Federation World | Errol Spence Jr | |
| International Boxing Organization World | Vacant | |
| World Boxing Association Gold World | Vergil Ortiz Jr | |
| World Boxing Association Super World | Yordenis Ugas | |
| World Boxing Association World | Vacant | |
| World Boxing Council Diamond | Vacant | |
| World Boxing Council Interim World | Vacant | |
| World Boxing Council World | Errol Spence Jr | |
| World Boxing Organisation Global | Michael McKinson | |
| World Boxing Organisation Interim World | Vacant | World Boxing Organisation World | Terence Crawford |
Light Welterweight | ||
|
#1 
Josh Taylor |
International Boxing Federation Interim World | Vacant |
| International Boxing Federation World | Josh Taylor | |
| International Boxing Organization World | Vacant | |
| World Boxing Association Gold World | Ismael Barroso | |
| World Boxing Association Super World | Josh Taylor | |
| World Boxing Association World | Gervonta Davis | |
| World Boxing Council Diamond | Vacant | |
| World Boxing Council Interim World | Vacant | |
| World Boxing Council World | Josh Taylor | |
| World Boxing Organisation Global | Liam Paro | |
| World Boxing Organisation Interim World | Vacant | World Boxing Organisation World | Josh Taylor |
Lightweight | ||
|
#1 
Vasyl Lomachenko |
International Boxing Federation Interim World | Vacant |
| International Boxing Federation World | Teofimo Lopez | |
| International Boxing Organization World | Maxi Hughes | |
| World Boxing Association Gold World | Roman Andreev | |
| World Boxing Association Super World | Teofimo Lopez | |
| World Boxing Association World | Gervonta Davis | |
| World Boxing Council Diamond | Vacant | |
| World Boxing Council Interim World | Joseph Diaz | |
| World Boxing Council World | Devin Haney | |
| World Boxing Organisation Global | Vacant | |
| World Boxing Organisation Interim World | Vacant | World Boxing Organisation World | Teofimo Lopez |
Super Featherweight | ||
|
#1 
Oscar Valdez |
International Boxing Federation Interim World | Vacant |
| International Boxing Federation World | Vacant | |
| International Boxing Organization World | Michael Magnesi | |
| World Boxing Association Gold World | Mark Urvanov | |
| World Boxing Association Super World | Vacant | |
| World Boxing Association World | Roger Gutierrez | |
| World Boxing Council Diamond | Vacant | |
| World Boxing Council Interim World | Vacant | |
| World Boxing Council World | Oscar Valdez | |
| World Boxing Organisation Global | Archie Sharp | |
| World Boxing Organisation Interim World | Vacant | World Boxing Organisation World | Shakur Stevenson |
Featherweight | ||
|
#1 
Emanuel Navarrete |
International Boxing Federation Interim World | Vacant |
| International Boxing Federation World | Kid Galahad | |
| International Boxing Organization World | Vacant | |
| World Boxing Association Gold World | Vacant | |
| World Boxing Association Super World | Leo Santa Cruz | |
| World Boxing Association World | Leigh Wood | |
| World Boxing Council Diamond | Vacant | |
| World Boxing Council Interim World | Vacant | |
| World Boxing Council World | Gary Allen Russell Jr | |
| World Boxing Organisation Global | Vacant | |
| World Boxing Organisation Interim World | Vacant | World Boxing Organisation World | Emanuel Navarrete |
Super Bantamweight | ||
|
#1 
Brandon Figueroa |
International Boxing Federation Interim World | Vacant |
| International Boxing Federation World | Murodjon Akhmadaliev | |
| International Boxing Organization World | Ludumo Lamati | |
| World Boxing Association Gold World | Vacant | |
| World Boxing Association Super World | Murodjon Akhmadaliev | |
| World Boxing Association World | Brandon Figueroa | |
| World Boxing Council Diamond | Vacant | |
| World Boxing Council Interim World | Vacant | |
| World Boxing Council World | Brandon Figueroa | |
| World Boxing Organisation Global | Vacant | |
| World Boxing Organisation Interim World | Vacant | World Boxing Organisation World | Stephen Fulton |
Bantamweight | ||
|
#1 
Naoya Inoue |
International Boxing Federation Interim World | Vacant |
| International Boxing Federation World | Naoya Inoue | |
| International Boxing Organization World | Michell Banquez | |
| World Boxing Association Gold World | Vacant | |
| World Boxing Association Super World | Naoya Inoue | |
| World Boxing Association World | Vacant | |
| World Boxing Council Diamond | Vacant | |
| World Boxing Council Interim World | Reymart Gaballo | |
| World Boxing Council World | Nonito Donaire | |
| World Boxing Organisation Global | Vacant | |
| World Boxing Organisation Interim World | Vacant | World Boxing Organisation World | John Riel Casimero |
Super Flyweight | ||
|
#1 
Juan Francisco Estrada |
International Boxing Federation Interim World | Vacant |
| International Boxing Federation World | Jerwin Ancajas | |
| International Boxing Organization World | Gideon Buthelezi | |
| World Boxing Association Gold World | Vacant | |
| World Boxing Association Super World | Juan Francisco Estrada | |
| World Boxing Association World | Joshua Franco | |
| World Boxing Council Diamond | Vacant | |
| World Boxing Council Interim World | Vacant | |
| World Boxing Council World | Vacant | |
| World Boxing Organisation Global | Prince Patel | |
| World Boxing Organisation Interim World | Vacant | World Boxing Organisation World | Kazuto Ioka |
Flyweight | ||
|
#1 
Sunny Edwards |
International Boxing Federation Interim World | Vacant |
| International Boxing Federation World | Sunny Edwards | |
| International Boxing Organization World | Vacant | |
| World Boxing Association Gold World | David Jimenez | |
| World Boxing Association Super World | Vacant | |
| World Boxing Association World | Artem Dalakian | |
| World Boxing Council Diamond | Vacant | |
| World Boxing Council Interim World | McWilliams Arroyo | |
| World Boxing Council World | Julio Cesar Martinez | |
| World Boxing Organisation Global | Jackson Chauke | |
| World Boxing Organisation Interim World | Vacant | World Boxing Organisation World | Junto Nakatani |
Light Flyweight | ||
|
#1 
Masamichi Yabuki |
International Boxing Federation Interim World | Vacant |
| International Boxing Federation World | Felix Alvarado | |
| International Boxing Organization World | Vacant | |
| World Boxing Association Gold World | Vacant | |
| World Boxing Association Super World | Hiroto Kyoguchi | |
| World Boxing Association World | Esteban Bermudez | |
| World Boxing Council Diamond | Vacant | |
| World Boxing Council Interim World | Vacant | |
| World Boxing Council World | Masamichi Yabuki | |
| World Boxing Organisation Global | Nhlanhla Tyirha | |
| World Boxing Organisation Interim World | Vacant | World Boxing Organisation World | Jonathan Gonzalez |
Minimumweight | ||
|
#1 
Panya Pradabsri |
International Boxing Federation Interim World | Vacant |
| International Boxing Federation World | Rene Mark Cuarto | |
| International Boxing Organization World | Ayanda Ndulani | |
| World Boxing Association Gold World | Leyman Benavides | |
| World Boxing Association Super World | Thammanoon Niyomtrong | |
| World Boxing Association World | Victorio Saludar | |
| World Boxing Council Diamond | Vacant | |
| World Boxing Council Interim World | Vacant | |
| World Boxing Council World | Panya Pradabsri | |
| World Boxing Organisation Global | Vacant | |
| World Boxing Organisation Interim World | Vacant | World Boxing Organisation World | Wilfredo Mendez |
