Champions

World champions on the four major belts, and how many days they've held them.

Heavyweight

  • WBA:
    Murat Gassiev
    ,
    Russia
    ,
    115
    days
  • WBC:
    Agit Kabayel
    ,
    Germany
    ,
    114
    days
  • IBF:
    Filip Hrgović
    ,
    Croatia
    ,
    51
    days
  • WBO:
    Daniel Dubois
    ,
    United Kingdom
    ,
    163
    days

Cruiserweight

  • WBA:
    David Benavidez
    ,
    United States
    ,
    170
    days
  • WBC:
    Michał Cieślak
    ,
    Poland
    ,
    35
    days
  • IBF: Vacant
  • WBO:
    David Benavidez
    ,
    United States
    ,
    170
    days

Light heavyweight

  • WBA:
    Dmitry Bivol
    ,
    Russia
    ,
    604
    days
  • WBC: Vacant
  • IBF:
    Dmitry Bivol
    ,
    Russia
    ,
    604
    days
  • WBO:
    Dmitry Bivol
    ,
    Russia
    ,
    604
    days

Super middleweight

  • WBA:
    Jaime Munguía
    ,
    Mexico
    ,
    170
    days
  • WBC:
    Christian M'billi
    ,
    Canada
    ,
    265
    days
  • IBF:
    Osleys Iglesias
    ,
    Cuba
    ,
    193
    days
  • WBO: Vacant

Middleweight

  • WBA:
    Erislandy Lara
    ,
    Cuba
    ,
    1,320
    days
  • WBC:
    Carlos Adames
    ,
    Dominican Republic
    ,
    895
    days
  • IBF:
    Aaron McKenna
    ,
    Ireland
    ,
    72
    days
  • WBO:
    Denzel Bentley
    ,
    United Kingdom
    ,
    91
    days

Super welterweight

  • WBA:
    Jaron Ennis
    ,
    United States
    ,
    114
    days
  • WBC:
    Sebastian Fundora
    ,
    United States
    ,
    933
    days
  • IBF:
    Josh Kelly
    ,
    United Kingdom
    ,
    261
    days
  • WBO:
    Jaron Ennis
    ,
    United States
    ,
    114
    days

Welterweight

  • WBA:
    Teófimo López
    ,
    United States
    ,
    58
    days
  • WBC:
    Ryan Garcia
    ,
    United States
    ,
    240
    days
  • IBF:
    Liam Paro
    ,
    Australia
    ,
    117
    days
  • WBO:
    Devin Haney
    ,
    United States
    ,
    331
    days

Super lightweight

  • WBA:
    Gary Antuanne Russell
    ,
    United States
    ,
    597
    days
  • WBC:
    Dalton Smith
    ,
    United Kingdom
    ,
    282
    days
  • IBF: Vacant
  • WBO:
    Shakur Stevenson
    ,
    United States
    ,
    261
    days

Lightweight

  • WBA:
    Floyd Schofield
    ,
    United States
    ,
    9
    days
  • WBC:
    William Zepeda
    ,
    Mexico
    ,
    79
    days
  • IBF: Vacant
  • WBO:
    Abdullah Mason
    ,
    United States
    ,
    331
    days

Super featherweight

  • WBA:
    Anthony Cacace
    ,
    United Kingdom
    ,
    219
    days
  • WBC:
    O'Shaquie Foster
    ,
    United States
    ,
    716
    days
  • IBF:
    Emanuel Navarrete
    ,
    Mexico
    ,
    233
    days
  • WBO:
    Emanuel Navarrete
    ,
    Mexico
    ,
    1,354
    days

Featherweight

  • WBA: Vacant
  • WBC:
    Bruce Carrington
    ,
    United States
    ,
    261
    days
  • IBF:
    Angelo Leo
    ,
    United States
    ,
    800
    days
  • WBO:
    Rafael Espinoza
    ,
    Mexico
    ,
    1,045
    days

Super bantamweight

  • UNDISPUTED:
    Naoya Inoue
    ,
    Japan
    ,
    1,028
    days

Bantamweight

  • WBA:
    Jesse Rodríguez
    ,
    United States
    ,
    128
    days
  • WBC:
    Takuma Inoue
    ,
    Japan
    ,
    329
    days
  • IBF:
    José Salas Reyes
    ,
    Mexico
    ,
    310
    days
  • WBO:
    Christian Medina
    ,
    Mexico
    ,
    400
    days

Super flyweight

  • WBA:
    David Jiménez
    ,
    Costa Rica
    ,
    128
    days
  • WBC:
    Ricardo Malajika
    ,
    South Africa
    ,
    22
    days
  • IBF:
    Andrew Moloney
    ,
    Australia
    ,
    135
    days
  • WBO:
    Kenshiro Teraji
    ,
    Japan
    ,
    91
    days

Flyweight

  • WBA:
    Sergio Mendoza
    ,
    Mexico
    ,
    9
    days
  • WBC:
    Sergio Mendoza
    ,
    Mexico
    ,
    9
    days
  • IBF:
    Masamichi Yabuki
    ,
    Japan
    ,
    569
    days
  • WBO:
    Anthony Olascuaga
    ,
    United States
    ,
    821
    days

Light flyweight

  • WBA:
    René Santiago
    ,
    Puerto Rico
    ,
    306
    days
  • WBC:
    Shokichi Iwata
    ,
    Japan
    ,
    218
    days
  • IBF:
    Thanongsak Simsri
    ,
    Thailand
    ,
    487
    days
  • WBO:
    René Santiago
    ,
    Puerto Rico
    ,
    585
    days

Minimumweight

  • WBA:
    Oscar Collazo
    ,
    Puerto Rico
    ,
    702
    days
  • WBC:
    Siyakholwa Kuse
    ,
    South Africa
    ,
    156
    days
  • IBF:
    Pedro Taduran
    ,
    Philippines
    ,
    813
    days
  • WBO:
    Oscar Collazo
    ,
    Puerto Rico
    ,
    1,241
    days

Champions last checked Monday 19 October 2026.