WBO

Men: champion and No. 1 of every division

1. HeavyweightUnlimited
   Champion: Daniel Dubois · United KingdomUnited Kingdom
   No. 1 Oleksandr UsykUkraine16 ranked · 28 Sept
   Trend·Change unknown
   16 rankedpublished 28 Sept
2. Cruiserweight200 lb · 90.7 kgUnified
   Champion: David Benavidez · United StatesUnited StatesUnified
   No. 1 Roman FressKazakhstan16 ranked · 28 Sept
   Trend—···
   16 rankedpublished 28 Sept
3. Light heavyweight175 lb · 79.4 kgUnified
   Champion: Dmitry Bivol · KyrgyzstanKyrgyzstanUnified
   No. 1 Radivoje KalajdzicUnited States16 ranked · 28 Sept
   Trend▲2···
   16 rankedpublished 28 Sept
4. Super middleweight168 lb · 76.2 kg
   Vacant
   No. 1 Zhanibek AlimkhanulyKazakhstan15 ranked · 28 Sept
   Trend—···
   15 rankedpublished 28 Sept
5. Middleweight160 lb · 72.6 kg
   Champion: Denzel Bentley · United KingdomUnited Kingdom
   No. 1 Yoenli HernandezCuba16 ranked · 28 Sept
   Trend—···
   16 rankedpublished 28 Sept
6. Super welterweight154 lb · 69.9 kgUnified
   Champion: Jaron Ennis · United StatesUnited StatesUnified
   No. 1 Xander ZayasPuerto Rico16 ranked · 28 Sept
   Trend—···
   16 rankedpublished 28 Sept
7. Welterweight147 lb · 66.7 kg
   Champion: Devin Haney · United StatesUnited States
   No. 1 Brian Norman Jr.United States16 ranked · 28 Sept
   Trend—···
   16 rankedpublished 28 Sept
8. Super lightweight140 lb · 63.5 kg
   Champion: Shakur Stevenson · United StatesUnited States
   No. 1 Raymond MuratallaUnited States16 ranked · 28 Sept
   Trend—···
   16 rankedpublished 28 Sept
9. Lightweight135 lb · 61.2 kg
   Champion: Abdullah Mason · United StatesUnited States
   No. 1 Joseph CordinaWales16 ranked · 28 Sept
   Trend—···
   16 rankedpublished 28 Sept
10. Super featherweight130 lb · 59.0 kgUnified
    Champion: O'Shaquie Foster · United StatesUnited StatesUnified
    No. 1 Charly SuarezPhilippines16 ranked · 28 Sept
    Trend—···
    16 rankedpublished 28 Sept
11. Featherweight126 lb · 57.2 kg
    Champion: Rafael Espinoza · MexicoMexico
    No. 1 Lorenzo ParraVenezuela16 ranked · 28 Sept
    Trend—···
    16 rankedpublished 28 Sept
12. Super bantamweight122 lb · 55.3 kgUndisputed
    Champion: Naoya Inoue · JapanJapanUndisputed
    No. 1 Carl Jammes MartinPhilippines16 ranked · 28 Sept
    Trend—···
    16 rankedpublished 28 Sept
13. Bantamweight118 lb · 53.5 kg
    Champion: Christian Medina Jimenez · MexicoMexico
    No. 1 Yoshiki TakeiJapan16 ranked · 28 Sept
    Trend▲1···
    16 rankedpublished 28 Sept
14. Super flyweight115 lb · 52.2 kg
    Champion: Kenshiro Teraji · JapanJapan
    No. 1 Seigo Yuri AkuiJapan16 ranked · 28 Sept
    Trend▲2···
    16 rankedpublished 28 Sept
15. Flyweight112 lb · 50.8 kg
    Champion: Anthony Olascuaga · United StatesUnited States
    No. 1 Yoali Mejia MosquedaMexico16 ranked · 28 Sept
    Trend—···
    16 rankedpublished 28 Sept
16. Light flyweight108 lb · 49.0 kg
    Champion: Rene Santiago · Puerto RicoPuerto Rico
    No. 1 Regie SuganobPhilippines16 ranked · 28 Sept
    Trend▲1···
    16 rankedpublished 28 Sept
17. Minimumweight105 lb · 47.6 kgUnified
    Champion: Oscar Collazo · Puerto RicoPuerto RicoUnified
    No. 1 Victorio SaludarPhilippines16 ranked · 28 Sept
    Trend▲2···
    16 rankedpublished 28 Sept

Women: champion and No. 1 of every division

1. Heavyweight+ 175 lbUnified
   Champion: Claressa Shields · United StatesUnited StatesUnified
   No. 1 Giovanna GonzalezMexico9 ranked · 28 Sept
   Trend—···
   9 rankedpublished 28 Sept
2. Super middleweight168 lb · 76.2 kgUnified
   Champion: Lani Daniels · New ZealandNew ZealandUnified
   No. 1 Savannah MarshallUnited Kingdom11 ranked · 28 Sept
   Trend—···
   11 rankedpublished 28 Sept
3. Middleweight160 lb · 72.6 kgUnified
   Champion: Tamm Thibeault · CanadaCanadaUnified
   No. 1 April HunterUnited Kingdom11 ranked · 28 Sept
   Trend▲4···
   11 rankedpublished 28 Sept
4. Super welterweight154 lb · 69.9 kgUnified
   Champion: Chantelle Cameron · United KingdomUnited KingdomUnified
   No. 1 Michaela KotaskovaCzechia13 ranked · 28 Sept
   Trend·Change unknown
   13 rankedpublished 28 Sept
5. Welterweight147 lb · 66.7 kg
   Champion: Mikaela Mayer · United StatesUnited States
   No. 1 Emilie SonvicoFrance13 ranked · 28 Sept
   Trend·Change unknown
   13 rankedpublished 28 Sept
6. Super lightweight140 lb · 63.5 kg
   Vacant
   No. 1 Savannah TiniUnited States13 ranked · 28 Sept
   Trend—···
   13 rankedpublished 28 Sept
7. Lightweight135 lb · 61.2 kgUnified
   Champion: Caroline Dubois · United KingdomUnited KingdomUnified
   No. 1 Stevie MorganUnited States13 ranked · 28 Sept
   Trend▲2···
   13 rankedpublished 28 Sept
8. Super featherweight130 lb · 59.0 kgUnified
   Champion: Alycia Baumgardner · United StatesUnited StatesUnified
   No. 1 Maira MoneoUruguay13 ranked · 28 Sept
   Trend—···
   13 rankedpublished 28 Sept
9. Featherweight126 lb · 57.2 kgUnified
   Champion: Amanda Serrano · United StatesUnited StatesUnified
   No. 1 Ellie ScotneyUnited Kingdom13 ranked · 28 Sept
   Trend—···
   13 rankedpublished 28 Sept
10. Super bantamweight122 lb · 55.3 kg
    Vacant
    No. 1 Mikiah KrepsUnited States12 ranked · 28 Sept
    Trend·Change unknown
    12 rankedpublished 28 Sept
11. Bantamweight118 lb · 53.5 kgUndisputed
    Champion: Dina Thorslund · DenmarkDenmarkUndisputed
    No. 1 Diana FernandezMexico13 ranked · 28 Sept
    Trend·Change unknown
    13 rankedpublished 28 Sept
12. Super flyweight115 lb · 52.2 kg
    Champion: Mizuki Hiruta · JapanJapan
    No. 1 Shannon RyanUnited Kingdom13 ranked · 28 Sept
    Trend—···
    13 rankedpublished 28 Sept
13. Flyweight112 lb · 50.8 kgUndisputed
    Champion: Gabriela Fundora · United StatesUnited StatesUndisputed
    No. 1 Gabriela Celeste AlanizArgentina13 ranked · 28 Sept
    Trend—···
    13 rankedpublished 28 Sept
14. Light flyweight108 lb · 49.0 kgUnified
    Champion: Estefany Alegria Osorio · MexicoMexicoUnified
    No. 1 Eveling Junieth OrtegaNicaragua13 ranked · 28 Sept
    Trend—···
    13 rankedpublished 28 Sept
15. Minimumweight105 lb · 47.6 kgUnified
    Champion: Sarah Bormann · GermanyGermanyUnified
    No. 1 Riyuna YoshikawaJapan13 ranked · 28 Sept
    Trend▲1···
    13 rankedpublished 28 Sept
16. Atomweight102 lb · 46.3 kg
    Champion: Gabriela Timar · SwitzerlandSwitzerland
    No. 1 Jennifer Sabrina MezaArgentina13 ranked · 28 Sept
    Trend▲1···
    13 rankedpublished 28 Sept