Current World Champions
| Weight | WBC | WBA | IBF | WBO |
| Heavy | Peter | Chagaev | Klitschko | Klitschko |
| Cruiser | Haye | Haye | Cunningham | Haye |
| Light-heavy | Dawson | Green | Tarver | Erdei |
| Super-middle | Calzaghe | Calzaghe | Bute | Calzaghe |
| Middle | Pavlik | Sturm | Abraham | Pavlik |
| Light-middle | Forrest | Alcine | Phillips | Dzinziruk |
| Welter | Mayweather | Cotto | Margarito | Quintana |
| Light-welter | Bradley | Kotelnik | Malignaggi | Torres |
| Light | David Diaz | Campbell | Campbell | Campbell |
| Super-feather | Pacquiao | Valero | Baloyi | Guzman |
| Feather | Linares | John | Guerrero | Luevano |
| Super-bantam | Vazquez | Caballero | Molitor | De Leon |
| Bantam | Hasegawa | Sidorenko | Agbeko | Penalosa |
| Super-fly | Mijares | Munoz | Kirillov | Montiel |
| Fly | Naito | Sakata | Donaire | Narvaez |
| Light-fly | Sosa | Asloum | Solis | Calderon |
| Straw | Sithsamerchai | Niida | Condes | Nietes |