| Weight (lbs) | WBA | WBC | IBF | WBO | Ring | |
| Heavyweight | 200+ | Anthony Joshua | Deontay Wilder | Anthony Joshua | Joseph Parker | Tyson Fury |
| Cruiserweight | 200 | Denis Lebedev | Mairis Briedis | Murat Gassiev | Oleksandr Usyk | Vacant |
| Light Heavyweight | 175 | Andre Ward | Adonis Stevenson | Andre Ward | Andre Ward | Vacant |
| Super Middleweight | 168 | George Groves | Vacant | James DeGale | Gilberto Ramirez | Vacant |
| Middleweight | 160 | Gennady Golovkin | Gennady Golovkin | Gennady Golovkin | Billy Joe Saunders | Canelo Alvarez |
| Super Welterweight | 154 | Erislandy Lara | Jermell Charlo | Jarrett Hurd | Vacant | Vacant |
| Welterweight | 147 | Keith Thurman | Keith Thurman | Errol Spence Jr. | Jeff Horn | Vacant |
| Super Lightweight | 140 | Julius Indongo | Terence Crawford | Julius Indongo | Terence Crawford | Terence Crawford |
| Lightweight | 135 | Jorge Linares | Mikey Garcia | Robert Easter Jr. | Terry Flanagan | Jorge Linares |
| Super Featherweight | 130 | Jezreel Corrales | Miguel Berchelt | Gervonta Davis | Vasyl Lomachenko | Vacant |
| Featherweight | 126 | Leo Santa Cruz | Gary Russell Jr | Lee Selby | Oscar Valdez | Vacant |
| Super Bantamweight | 122 | Guillermo Rigondeaux | Rey Vargas | Yukinori Oguni | Jesse Magdaleno | Vacant |
| Bantamweight | 118 | Zhanat Zhakiyanov | Luis Nery | Ryan Burnett | Zolani Tete | Luis Nery |
| Super Flyweight | 115 | Kal Yafai | Srisaket Sor Rungvisai | Jerwin Ancajas | Naoya Inoue | Vacant |
| Flyweight | 112 | Kazuto Ioka | Daigo Higa | Donnie Nietes | Sho Kimura | Vacant |
| Light Flyweight | 108 | Ryoichi Taguchi | Ken Shiro | Milan Melindo | Kosei Tanaka | Vacant |
| Minimumweight | 105 | Knockout CP Freshmart | Wanheng Menayothin | Hioto Kyoguchi | Tatsuya Fukuhara | Vacant |
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