IBO

Men: champion and No. 1 of every division

1. HeavyweightUnlimited
   Not published
   No. 1 Oleksandr UsykUkraine97 ranked · 14 Oct
   97 rankedpublished 14 Oct
2. Cruiserweight200 lb · 90.7 kg
   Not published
   No. 1 Jai OpetaiaAustralia90 ranked · 14 Oct
   90 rankedpublished 14 Oct
3. Light heavyweight175 lb · 79.4 kgUnified
   Champion: Dmitry Bivol · KyrgyzstanKyrgyzstanUnified
   No. 1 Najee LopezPuerto Rico93 ranked · 14 Oct
   93 rankedpublished 14 Oct
4. Super middleweight168 lb · 76.2 kg
   Champion: Osleys Iglesias · CubaCuba
   No. 1 Saul AlvarezMexico95 ranked · 14 Oct
   95 rankedpublished 14 Oct
5. Middleweight160 lb · 72.6 kg
   Champion: Michel Soro · FranceFrance
   No. 1 Tim TszyuAustralia93 ranked · 14 Oct
   93 rankedpublished 14 Oct
6. Super welterweight154 lb · 69.9 kg
   Champion: Milan Prat · FranceFrance
   No. 1 Vergil Ortiz Jr.United States90 ranked · 14 Oct
   90 rankedpublished 14 Oct
7. Welterweight147 lb · 66.7 kg
   Not published
   No. 1 Jack CatterallUnited Kingdom96 ranked · 14 Oct
   96 rankedpublished 14 Oct
8. Super lightweight140 lb · 63.5 kg
   Champion: Mark Chamberlain · United KingdomUnited Kingdom
   No. 1 Keyshawn DavisUnited States91 ranked · 14 Oct
   91 rankedpublished 14 Oct
9. Lightweight135 lb · 61.2 kg
   Not published
   No. 1 Andres CortesUnited States95 ranked · 14 Oct
   95 rankedpublished 14 Oct
10. Super featherweight130 lb · 59.0 kg
    Champion: Jono Carroll · IrelandIreland
    No. 1 Moussa GholamMorocco93 ranked · 14 Oct
    93 rankedpublished 14 Oct
11. Featherweight126 lb · 57.2 kg
    Not published
    No. 1 Omar Cande TrinidadUnited States95 ranked · 14 Oct
    95 rankedpublished 14 Oct
12. Super bantamweight122 lb · 55.3 kg
    Not published
    No. 1 Junto NakataniJapan92 ranked · 14 Oct
    92 rankedpublished 14 Oct
13. Bantamweight118 lb · 53.5 kg
    Not published
    No. 1 Seiya TsutsumiJapan88 ranked · 14 Oct
    88 rankedpublished 14 Oct
14. Super flyweight115 lb · 52.2 kg
    Not published
    No. 1 Roman GonzalezNicaragua95 ranked · 14 Oct
    95 rankedpublished 14 Oct
15. Flyweight112 lb · 50.8 kg
    Not published
    No. 1 Yoali Mejia MosquedaMexico90 ranked · 14 Oct
    90 rankedpublished 14 Oct
16. Light flyweight108 lb · 49.0 kg
    Not published
    No. 1 Regie SuganobPhilippines96 ranked · 14 Oct
    96 rankedpublished 14 Oct
17. Minimumweight105 lb · 47.6 kg
    Not published
    No. 1 DianXing ZhuChina93 ranked · 14 Oct
    93 rankedpublished 14 Oct

Women: champion and No. 1 of every division

1. Heavyweight+ 175 lb
   Not published
   No. 1 Minellis BlancoColombia29 ranked · 14 Oct
   29 rankedpublished 14 Oct
2. Cruiserweight200 lb · 90.7 kg
   Not published
   No. 1 Ndeye Seynabou Ndiaye1 ranked · 14 Oct
   1 rankedpublished 14 Oct
3. Light heavyweight175 lb · 79.4 kg
   Not published
   No. 1 Emma-Sue GreentreeAustralia28 ranked · 14 Oct
   28 rankedpublished 14 Oct
4. Super middleweight168 lb · 76.2 kg
   Not published
   No. 1 Raquel MillerUnited States26 ranked · 14 Oct
   26 rankedpublished 14 Oct
5. Middleweight160 lb · 72.6 kg
   Not published
   No. 1 Desley RobinsonAustralia30 ranked · 14 Oct
   30 rankedpublished 14 Oct
6. Super welterweight154 lb · 69.9 kg
   Not published
   No. 1 Elia CarranzaUnited States30 ranked · 14 Oct
   30 rankedpublished 14 Oct
7. Welterweight147 lb · 66.7 kgUnified
   Champion: Lauren Price · United KingdomUnited KingdomUnified
   No. 1 Stephanie Pineiro AquinoPuerto Rico29 ranked · 14 Oct
   29 rankedpublished 14 Oct
8. Super lightweight140 lb · 63.5 kg
   Not published
   No. 1 Sandy RyanUnited Kingdom30 ranked · 14 Oct
   30 rankedpublished 14 Oct
9. Lightweight135 lb · 61.2 kg
   Not published
   No. 1 Beatriz FerreiraBrazil30 ranked · 14 Oct
   30 rankedpublished 14 Oct
10. Super featherweight130 lb · 59.0 kg
    Champion: Bernice Ferreira · South AfricaSouth Africa
    No. 1 Mea MotuNew Zealand31 ranked · 14 Oct
    31 rankedpublished 14 Oct
11. Featherweight126 lb · 57.2 kg
    Champion: Nina Meinke · GermanyGermany
    No. 1 Erika Cruz HernandezMexico31 ranked · 14 Oct
    31 rankedpublished 14 Oct
12. Super bantamweight122 lb · 55.3 kg
    Not published
    No. 1 Skye NicolsonAustralia30 ranked · 14 Oct
    30 rankedpublished 14 Oct
13. Bantamweight118 lb · 53.5 kg
    Not published
    No. 1 Cherneka JohnsonNew Zealand30 ranked · 14 Oct
    30 rankedpublished 14 Oct
14. Super flyweight115 lb · 52.2 kg
    Not published
    No. 1 Ellie BouttellUnited Kingdom30 ranked · 14 Oct
    30 rankedpublished 14 Oct
15. Flyweight112 lb · 50.8 kg
    Not published
    No. 1 Diana FernandezMexico30 ranked · 14 Oct
    30 rankedpublished 14 Oct
16. Light flyweight108 lb · 49.0 kg
    Not published
    No. 1 Yesica Nery PlataMexico28 ranked · 14 Oct
    28 rankedpublished 14 Oct
17. Minimumweight105 lb · 47.6 kg
    Not published
    No. 1 Aldana Florencia LopezArgentina30 ranked · 14 Oct
    30 rankedpublished 14 Oct