MMA Champions

Heavyweight champions

UFC Heavyweight Champion

Jon
Jones

27-1-0

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Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

271 days - (8 months & 26 days)

Won against

Gane (11-1-0) SUB 1 04-Mar-2023

Time held

271 days - (8 months & 26 days)

Total defences

Activity average

N/A

UFC Interim Heavyweight Champion

Tom
Aspinall

14-3-0

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Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

19 days - (19 days)

Won against

Pavlovich (18-1-0) KO 1 11-Nov-2023

Time held

19 days - (19 days)

Total defences

Activity average

N/A

Bellator Heavyweight Champion

Ryan
Bader

31-7-0

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Next Scheduled Defence

TBA

Last defence

Emelianenko (40-6-0) KO 1 04-Feb-2023

Time inactive

299 days - (9 months & 26 days)

Won against

Emelianenko (38-5-0) KO 1 26-Jan-2019

Time held

1769 days - (4 years & 10 months)

Total defences

Feb 04 2023

KO 1

Emelianenko (40-6-0)

May 06 2022

UD 5

Kongo (31-11-2)

Jan 29 2022

UD 5

Moldavsky (11-1-0)

Sep 07 2019

NC 1

Kongo (30-10-2)

Activity average

Every 442 days - (1 year & 2 months)

ONE Heavyweight Champion

Arjan
Bhullar

11-2-0

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Next Scheduled Defence

TBA

Last defence

Malykhin (12-0-0) KO 3 23-Jun-2023

Time inactive

160 days - (5 months & 7 days)

Won against

Vera (16-9-0) KO 2 15-May-2021

Time held

929 days - (2 years & 6 months)

Total defences

Jun 23 2023

KO 3

Malykhin (12-0-0)

Activity average

Every 929 days - (2 years & 6 months)

View full Heavyweight rankings

Light Heavyweight champions

UFC Light Heavyweight Champion

Alex
Pereira

9-2-0

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Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

19 days - (19 days)

Won against

Prochazka (29-3-1) KO 2 11-Nov-2023

Time held

19 days - (19 days)

Total defences

Activity average

N/A

Bellator Light Heavyweight Champion

Vadim
Nemkov

16-2-0

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Next Scheduled Defence

TBA

Last defence

Romero (15-6-0) UD 5 16-Jun-2023

Time inactive

167 days - (5 months & 14 days)

Won against

Carvalho (16-3-0) SUB 2 12-Oct-2019

Time held

1510 days - (4 years & 1 month)

Total defences

Jun 16 2023

UD 5

Romero (15-6-0)

Nov 18 2022

UD 5

Anderson (16-5-0)

Oct 16 2021

SUB 4

Anglickas (10-1-0)

Apr 16 2021

UD 5

Davis (22-5-0)

Aug 21 2020

KO 2

Bader (27-5-0)

Activity average

Every 302 days - (9 months & 29 days)

ONE Light Heavyweight Champion

Anatoly
Malykhin

13-0-0

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Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

363 days - (11 months & 28 days)

Won against

Ridder (16-0-0) KO 1 02-Dec-2022

Time held

363 days - (11 months & 27 days)

Total defences

Activity average

N/A

View full Light Heavyweight rankings

Middleweight champions

UFC Middleweight Champion

Sean
Strickland

28-5-0

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Next Scheduled Defence

Plessis (20-2-0) 20-Jan-2024

Last defence

Not Defended Yet

Time inactive

82 days - (2 months & 21 days)

Won against

Adesanya (24-2-0) UD 5 09-Sep-2023

Time held

82 days - (2 months & 21 days)

Total defences

Activity average

N/A

Bellator Middleweight Champion

Johnny
Eblen

14-0-0

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Next Scheduled Defence

TBA

Last defence

Edwards (12-2-0) KO 3 23-Sep-2023

Time inactive

68 days - (2 months & 7 days)

Won against

Mousasi (49-7-2) UD 5 24-Jun-2022

Time held

524 days - (1 year & 5 months)

Total defences

Sep 23 2023

KO 3

Edwards (12-2-0)

Feb 04 2023

UD 5

Tokov (31-2-0)

Activity average

Every 262 days - (8 months & 17 days)

ONE Middleweight Champion

Reinier de Ridder

16-1-0

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Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

1126 days - (3 years & 1 month)

Won against

Nsang (26-10-0) SUB 1 30-Oct-2020

Time held

1126 days - (3 years & 1 month)

Total defences

Activity average

N/A

View full Middleweight rankings

Welterweight champions

UFC Welterweight Champion

Leon
Edwards

21-3-0

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Next Scheduled Defence

Covington (17-3-0) 16-Dec-2023

Last defence

Usman (20-2-0) MD 5 18-Mar-2023

Time inactive

257 days - (8 months & 12 days)

Won against

Usman (20-1-0) KO 5 20-Aug-2022

Time held

467 days - (1 year & 3 months)

Total defences

Mar 18 2023

MD 5

Usman (20-2-0)

Activity average

Every 467 days - (1 year & 3 months)

Bellator Welterweight Champion

Jason
Jackson

17-4-0

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Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

13 days - (13 days)

Won against

Amosov (27-0-0) KO 3 17-Nov-2023

Time held

13 days - (13 days)

Total defences

Activity average

N/A

ONE Welterweight Champion

Christian
Lee

17-4-0

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Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

377 days - (1 year & 12 days)

Won against

Abbasov (23-5-0) KO 4 18-Nov-2022

Time held

377 days - (1 year & 12 days)

Total defences

Activity average

N/A

View full Welterweight rankings

Lightweight champions

UFC Lightweight Champion

Islam
Makhachev

25-1-0

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Next Scheduled Defence

TBA

Last defence

Volkanovski (26-2-0) KO 1 21-Oct-2023

Time inactive

40 days - (1 month & 9 days)

Won against

Oliveira (33-8-0) SUB 2 22-Oct-2022

Time held

404 days - (1 year & 1 month)

Total defences

Oct 21 2023

KO 1

Volkanovski (26-2-0)

Feb 11 2023

UD 5

Volkanovski (25-1-0)

Activity average

Every 202 days - (6 months & 18 days)

Bellator Lightweight Champion

Usman
Nurmagomedov

18-0-0

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Next Scheduled Defence

TBA

Last defence

Primus (12-3-0) UD 5 07-Oct-2023

Time inactive

54 days - (1 month & 23 days)

Won against

Pitbull (24-10-0) UD 5 18-Nov-2022

Time held

377 days - (1 year & 12 days)

Total defences

Oct 07 2023

UD 5

Primus (12-3-0)

Mar 10 2023

SUB 1

Henderson (30-11-0)

Activity average

Every 189 days - (6 months & 5 days)

ONE Lightweight Champion

Christian
Lee

17-4-0

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Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

461 days - (1 year & 3 months)

Won against

Ok (16-3-0) KO 2 26-Aug-2022

Time held

461 days - (1 year & 3 months)

Total defences

Activity average

N/A

Rizin Lightweight Champion

Roberto ‘Satoshi’ de Souza

15-3-0

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Next Scheduled Defence

TBA

Last defence

Case (27-7-1) SUB 1 17-Apr-2022

Time inactive

592 days - (1 year & 7 months)

Won against

Musayev (19-3-0) SUB 1 13-Jun-2021

Time held

900 days - (2 years & 5 months)

Total defences

Apr 17 2022

SUB 1

Case (27-7-1)

Dec 30 2021

SUB 2

Yachi (23-11-0)

Activity average

Every 450 days - (1 year & 2 months)

View full Lightweight rankings

Featherweight champions

UFC Featherweight Champion

Alexander
Volkanovski

26-3-0

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Next Scheduled Defence

Topuria (14-0-0) 17-Feb-2024

Last defence

Rodriguez (15-3-0) KO 3 08-Jul-2023

Time inactive

145 days - (4 months & 22 days)

Won against

Holloway (21-4-0) UD 5 14-Dec-2019

Time held

1447 days - (3 years & 11 months)

Total defences

Jul 08 2023

KO 3

Rodriguez (15-3-0)

Jul 02 2022

UD 5

Holloway (23-6-0)

Apr 09 2022

KO 4

Jung (17-6-0)

Sep 25 2021

UD 5

Ortega (15-1-0)

Jul 11 2020

SD 5

Holloway (21-5-0)

Activity average

Every 289 days - (9 months & 16 days)

Bellator Featherweight Champion

Patricio
Pitbull

35-6-0

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Next Scheduled Defence

TBA

Last defence

Borics (18-1-0) UD 5 01-Oct-2022

Time inactive

425 days - (1 year & 1 month)

Won against

McKee Jr (18-0-0) UD 5 15-Apr-2022

Time held

594 days - (1 year & 7 months)

Total defences

Oct 01 2022

UD 5

Borics (18-1-0)

Activity average

Every 594 days - (1 year & 7 months)

ONE Featherweight Champion

Kai
Tang

15-2-0

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Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

461 days - (1 year & 3 months)

Won against

Le (13-2-0) UD 5 26-Aug-2022

Time held

461 days - (1 year & 3 months)

Total defences

Activity average

N/A

View full Featherweight rankings

Bantamweight champions

UFC Bantamweight Champion

Sean
O’Malley

17-1-0

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Next Scheduled Defence

Vera (21-8-1) 09-Mar-2024

Last defence

Not Defended Yet

Time inactive

103 days - (3 months & 11 days)

Won against

Sterling (23-3-0) KO 2 19-Aug-2023

Time held

103 days - (3 months & 11 days)

Total defences

Activity average

N/A

Bellator Bantamweight Champion

Patchy
Mix

19-1-0

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Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

13 days - (13 days)

Won against

Pettis (23-5-0) KO 2 17-Nov-2023

Time held

13 days - (13 days)

Total defences

Activity average

N/A

ONE Bantamweight Champion

Fabricio de Andrade

9-2-0

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Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

293 days - (9 months & 20 days)

Won against

Lineker (35-9-0) KO 4 10-Feb-2023

Time held

293 days - (9 months & 20 days)

Total defences

Activity average

N/A

Rizin Bantamweight Champion

Kyoji
Horiguchi

31-5-0

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Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

1064 days - (2 years & 10 months)

Won against

Asakura (16-2-0) KO 1 31-Dec-2020

Time held

1064 days - (2 years & 10 months)

Total defences

Activity average

N/A

View full Bantamweight rankings

Flyweight champions

UFC Flyweight Champion

Alexandre
Pantoja

26-5-0

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Next Scheduled Defence

Royval (14-6-0) 16-Dec-2023

Last defence

Not Defended Yet

Time inactive

145 days - (4 months & 22 days)

Won against

Moreno (21-6-2) SD 5 08-Jul-2023

Time held

145 days - (4 months & 22 days)

Total defences

Activity average

N/A

ONE Flyweight Champion

Demetrious
Johnson

25-4-1

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Next Scheduled Defence

TBA

Last defence

Moraes (20-4-0) UD 5 05-May-2023

Time inactive

209 days - (6 months & 25 days)

Won against

Moraes (20-3-0) KO 4 26-Aug-2022

Time held

461 days - (1 year & 3 months)

Total defences

May 05 2023

UD 5

Moraes (20-4-0)

Activity average

Every 461 days - (1 year & 3 months)

View full Flyweight rankings

Women’s Featherweight champions

Bellator Women’s Featherweight Champion

Cris
Cyborg

27-2-0

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Next Scheduled Defence

TBA

Last defence

Zingano (14-4-0) KO 1 07-Oct-2023

Time inactive

54 days - (1 month & 23 days)

Won against

Budd (13-2-0) KO 4 25-Jan-2020

Time held

1405 days - (3 years & 10 months)

Total defences

Oct 07 2023

KO 1

Zingano (14-4-0)

Apr 23 2022

UD 5

Blencowe (15-8-0)

Nov 12 2021

KO 1

Kavanagh (7-4-0)

May 21 2021

KO 5

Smith (12-8-1)

Oct 15 2020

SUB 2

Blencowe (13-7-0)

Activity average

Every 281 days - (9 months & 8 days)

View full Women’s Featherweight rankings

Women’s Bantamweight champions

UFC Women’s Bantamweight Champion

Vacant

View full Women’s Bantamweight rankings

Women’s Flyweight champions

UFC Women’s Flyweight Champion

Alexa
Grasso

16-3-1

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Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

271 days - (8 months & 26 days)

Won against

Shevchenko (23-3-0) SUB 4 04-Mar-2023

Time held

271 days - (8 months & 26 days)

Total defences

Activity average

N/A

Bellator Women’s Flyweight Champion

Liz
Carmouche

20-7-0

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Next Scheduled Defence

TBA

Last defence

Macfarlane (13-2-0) KO 5 07-Oct-2023

Time inactive

54 days - (1 month & 23 days)

Won against

Velasquez (12-0-0) KO 4 22-Apr-2022

Time held

587 days - (1 year & 7 months)

Total defences

Oct 07 2023

KO 5

Macfarlane (13-2-0)

Apr 21 2023

SUB 4

Bennett (13-7-1)

Dec 09 2022

SUB 2

Velasquez (12-1-0)

Activity average

Every 196 days - (6 months & 12 days)

View full Women’s Flyweight rankings

Women’s Strawweight champions

UFC Women’s Strawweight Champion

Weili
Zhang

24-3-0

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Next Scheduled Defence

TBA

Last defence

Lemos (13-2-1) UD 5 19-Aug-2023

Time inactive

103 days - (3 months & 11 days)

Won against

Esparza (19-6-0) SUB 2 12-Nov-2022

Time held

383 days - (1 year & 18 days)

Total defences

Aug 19 2023

UD 5

Lemos (13-2-1)

Activity average

Every 383 days - (1 year & 18 days)

ONE Women’s Strawweight Champion

Jingnan
Xiong

18-2-0

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Next Scheduled Defence

TBA

Last defence

Lee (11-2-0) UD 5 30-Sep-2022

Time inactive

426 days - (1 year & 2 months)

Won against

Teo (7-0-0) KO 4 20-Jan-2018

Time held

2140 days - (5 years & 10 months)

Total defences

Sep 30 2022

UD 5

Lee (11-2-0)

Jan 14 2022

UD 5

Miura (11-3-0)

Sep 03 2021

UD 5

Nicolini (6-2-0)

Oct 30 2020

UD 5 Teo (9-1-0)

Mar 31 2019

KO 5

Lee (9-0-0)

Sep 08 2018

KO 3

Santos (11-5-1)

Jun 23 2018

UD 5

Balin (10-2-0)

Activity average

Every 306 days - (10 months & 2 days)

View full Women’s Strawweight rankings

Women’s Atomweight champions

ONE Women’s Atomweight Champion

Stamp
Fairtex

11-2-0

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Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

90 days - (2 months & 29 days)

Won against

Ham (26-8-0) KO 3 01-Sep-2023

Time held

90 days - (2 months & 29 days)

Total defences

Activity average

N/A

Rizin Women’s Super Atomweight Champion

Ayaka
Hamasaki

24-5-0

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Next Scheduled Defence

TBA

Last defence

Izawa (5-0-0) UD 3 17-Apr-2022

Time inactive

592 days - (1 year & 7 months)

Won against

Yamamoto (6-4-0) SUB 1 31-Dec-2020

Time held

1064 days - (2 years & 10 months)

Total defences

Apr 17 2022

UD 3

Izawa (5-0-0)

Mar 21 2021

SD 3

Asakura (18-4-0)

Activity average

Every 532 days - (1 year & 5 months)

View full Women’s Atomweight rankings

All Current MMA World Champions

MMA World Champions
Weight	UFC	Bellator	One Championship
Heavyweight (200 lb+)	Jon Jones (27-1-0) (UFC Heavyweight) Tom Aspinall (14-3-0) (UFC Interim Heavyweight)	Ryan Bader (31-7-0)	Arjan Bhullar (11-2-0)
Light Heavyweight (205 lb)	Alex Pereira (9-2-0)	Vadim Nemkov (16-2-0)	Anatoly Malykhin (13-0-0)
Middleweight (185 lb)	Sean Strickland (28-5-0)	Johnny Eblen (14-0-0)	Reinier de Ridder (16-1-0)
Welterweight (170 lb)	Leon Edwards (21-3-0)	Jason Jackson (17-4-0)	Christian Lee (17-4-0)
Lightweight (155 lb)	Islam Makhachev (25-1-0)	Usman Nurmagomedov (18-0-0)	Christian Lee (17-4-0)
Featherweight (145 lb)	Alexander Volkanovski (26-3-0)	Patricio Pitbull (35-6-0)	Kai Tang (15-2-0)
Bantamweight (135 lb)	Sean O’Malley (17-1-0)	Patchy Mix (19-1-0)	Fabricio de Andrade (9-2-0)
Flyweight (125 lb)	Alexandre Pantoja (26-5-0)	-	Demetrious Johnson (25-4-1)
Women’s Featherweight (145 lb)	-	Cris Cyborg (27-2-0)	-
Women’s Bantamweight (135 lb)	Vacant	-	-
Women’s Flyweight (125 lb)	Alexa Grasso (16-3-1)	Liz Carmouche (20-7-0)	-
Women’s Strawweight (115 lb)	Weili Zhang (24-3-0)	-	Jingnan Xiong (18-2-0)
Women’s Atomweight (105 lb)	-	-	Stamp Fairtex (11-2-0)

Champion Stats & Records

Total Number of Recognised Champions

Total Number Of Active Titles

33.5

Average Age Of A MMA World Champion

610

days

Average Reign

1.33

Average Total Defences

Longest Reigning Champions in UFC

Longest Reigning MMA World Champions in UFC
Position	Champion	Belt	Time held
1st	Alexander Volkanovski (26-3-0)	UFC Featherweight	1447 days - (3 years & 11 months)
2nd	Leon Edwards (21-3-0)	UFC Welterweight	467 days - (1 year & 3 months)
3rd	Islam Makhachev (25-1-0)	UFC Lightweight	404 days - (1 year & 1 month)
4th	Weili Zhang (24-3-0)	UFC Women's Strawweight	383 days - (1 year & 18 days)
5th	Alexa Grasso (16-3-1)	UFC Women's Flyweight	271 days - (8 months & 26 days)
6th	Jon Jones (27-1-0)	UFC Heavyweight	271 days - (8 months & 26 days)
7th	Alexandre Pantoja (26-5-0)	UFC Flyweight	145 days - (4 months & 22 days)
8th	Sean O’Malley (17-1-0)	UFC Bantamweight	103 days - (3 months & 11 days)
9th	Sean Strickland (28-5-0)	UFC Middleweight	82 days - (2 months & 21 days)
10th	Alex Pereira (9-2-0)	UFC Light Heavyweight	19 days - (19 days)

Longest Reigning Champions in Bellator

Longest Reigning MMA World Champions in Bellator
Position	Champion	Belt	Time held
1st	Ryan Bader (31-7-0)	Bellator Heavyweight	1769 days - (4 years & 10 months)
2nd	Vadim Nemkov (16-2-0)	Bellator Light Heavyweight	1510 days - (4 years & 1 month)
3rd	Cris Cyborg (27-2-0)	Bellator Women’s Featherweight	1405 days - (3 years & 10 months)
4th	Patricio Pitbull (35-6-0)	Bellator Featherweight	594 days - (1 year & 7 months)
5th	Liz Carmouche (20-7-0)	Bellator Women’s Flyweight	587 days - (1 year & 7 months)
6th	Johnny Eblen (14-0-0)	Bellator Middleweight	524 days - (1 year & 5 months)
7th	Usman Nurmagomedov (18-0-0)	Bellator Lightweight	377 days - (1 year & 12 days)
8th	Jason Jackson (17-4-0)	Bellator Welterweight	13 days - (13 days)
9th	Patchy Mix (19-1-0)	Bellator Bantamweight	13 days - (13 days)

Longest Reigning Champions in One Championship

Longest Reigning MMA World Champions in One Championship
Position	Champion	Belt	Time held
1st	Jingnan Xiong (18-2-0)	ONE Women’s Strawweight	2140 days - (5 years & 10 months)
2nd	Reinier de Ridder (16-1-0)	ONE Middleweight	1126 days - (3 years & 1 month)
3rd	Arjan Bhullar (11-2-0)	ONE Heavyweight	929 days - (2 years & 6 months)
4th	Christian Lee (17-4-0)	ONE Lightweight	461 days - (1 year & 3 months)
5th	Kai Tang (15-2-0)	ONE Featherweight	461 days - (1 year & 3 months)
6th	Demetrious Johnson (25-4-1)	ONE Flyweight	461 days - (1 year & 3 months)
7th	Christian Lee (17-4-0)	ONE Welterweight	377 days - (1 year & 12 days)
8th	Anatoly Malykhin (13-0-0)	ONE Light Heavyweight	363 days - (11 months & 28 days)
9th	Fabricio de Andrade (9-2-0)	ONE Bantamweight	293 days - (9 months & 20 days)
10th	Stamp Fairtex (11-2-0)	ONE Women’s Atomweight	90 days - (2 months & 29 days)

Most Defences in UFC

MMA World Champions With Most Defences in UFC
Position	Champion	Belt	Total Defences
1st	Alexander Volkanovski (26-3-0)	UFC Featherweight	5
2nd	Islam Makhachev (25-1-0)	UFC Lightweight	2
3rd	Weili Zhang (24-3-0)	UFC Women's Strawweight	1
=	Leon Edwards (21-3-0)	UFC Welterweight	1

Most Defences in Bellator

MMA World Champions With Most Defences in Bellator
Position	Champion	Belt	Total Defences
1st	Cris Cyborg (27-2-0)	Bellator Women’s Featherweight	5
=	Vadim Nemkov (16-2-0)	Bellator Light Heavyweight	5
3rd	Ryan Bader (31-7-0)	Bellator Heavyweight	4
4th	Liz Carmouche (20-7-0)	Bellator Women’s Flyweight	3
5th	Johnny Eblen (14-0-0)	Bellator Middleweight	2
=	Usman Nurmagomedov (18-0-0)	Bellator Lightweight	2
7th	Patricio Pitbull (35-6-0)	Bellator Featherweight	1

Most Defences in One Championship

MMA World Champions With Most Defences in One Championship
Position	Champion	Belt	Total Defences
1st	Jingnan Xiong (18-2-0)	ONE Women’s Strawweight	7
2nd	Arjan Bhullar (11-2-0)	ONE Heavyweight	1
=	Demetrious Johnson (25-4-1)	ONE Flyweight	1

Most Active in UFC

Most Active MMA World Champions in UFC
Position	Champion	Belt	Activity Average (Days Between Defences)
1st	Islam Makhachev (25-1-0)	UFC Lightweight	202 days
2nd	Alexander Volkanovski (26-3-0)	UFC Featherweight	289 days
3rd	Weili Zhang (24-3-0)	UFC Women's Strawweight	383 days
4th	Leon Edwards (21-3-0)	UFC Welterweight	467 days

Most Active in Bellator

Most Active MMA World Champions in Bellator
Position	Champion	Belt	Activity Average (Days Between Defences)
1st	Usman Nurmagomedov (18-0-0)	Bellator Lightweight	189 days
2nd	Liz Carmouche (20-7-0)	Bellator Women’s Flyweight	196 days
3rd	Johnny Eblen (14-0-0)	Bellator Middleweight	262 days
4th	Cris Cyborg (27-2-0)	Bellator Women’s Featherweight	281 days
5th	Vadim Nemkov (16-2-0)	Bellator Light Heavyweight	302 days
6th	Ryan Bader (31-7-0)	Bellator Heavyweight	442 days
7th	Patricio Pitbull (35-6-0)	Bellator Featherweight	594 days

Most Active in One Championship

Most Active MMA World Champions in One Championship
Position	Champion	Belt	Activity Average (Days Between Defences)
1st	Jingnan Xiong (18-2-0)	ONE Women’s Strawweight	306 days
2nd	Demetrious Johnson (25-4-1)	ONE Flyweight	461 days
3rd	Arjan Bhullar (11-2-0)	ONE Heavyweight	929 days

Least Active in UFC

Least Active MMA World Champions in UFC
Position	Champion	Belt	Activity Average (Days Between Defences)
1st	Leon Edwards (21-3-0)	UFC Welterweight	467 days
2nd	Weili Zhang (24-3-0)	UFC Women's Strawweight	383 days
3rd	Alexander Volkanovski (26-3-0)	UFC Featherweight	289 days
4th	Islam Makhachev (25-1-0)	UFC Lightweight	202 days

Least Active in Bellator

Least Active MMA World Champions in Bellator
Position	Champion	Belt	Activity Average (Days Between Defences)
1st	Patricio Pitbull (35-6-0)	Bellator Featherweight	594 days
2nd	Ryan Bader (31-7-0)	Bellator Heavyweight	442 days
3rd	Vadim Nemkov (16-2-0)	Bellator Light Heavyweight	302 days
4th	Cris Cyborg (27-2-0)	Bellator Women’s Featherweight	281 days
5th	Johnny Eblen (14-0-0)	Bellator Middleweight	262 days
6th	Liz Carmouche (20-7-0)	Bellator Women’s Flyweight	196 days
7th	Usman Nurmagomedov (18-0-0)	Bellator Lightweight	189 days

Least Active in One Championship

Least Active MMA World Champions in One Championship
Position	Champion	Belt	Activity Average (Days Between Defences)
1st	Arjan Bhullar (11-2-0)	ONE Heavyweight	929 days
2nd	Demetrious Johnson (25-4-1)	ONE Flyweight	461 days
3rd	Jingnan Xiong (18-2-0)	ONE Women’s Strawweight	306 days

Longest Since Last Defence in UFC

MMA World Champions With Longest Time Since They Defended Their Belt in UFC
Position	Champion	Belt	Time inactive
1st	Alexa Grasso (16-3-1)	UFC Women's Flyweight	271 days - (8 months & 26 days)
2nd	Jon Jones (27-1-0)	UFC Heavyweight	271 days - (8 months & 26 days)
3rd	Leon Edwards (21-3-0)	UFC Welterweight	257 days - (8 months & 12 days)
4th	Alexander Volkanovski (26-3-0)	UFC Featherweight	145 days - (4 months & 22 days)
5th	Alexandre Pantoja (26-5-0)	UFC Flyweight	145 days - (4 months & 22 days)
6th	Sean O’Malley (17-1-0)	UFC Bantamweight	103 days - (3 months & 11 days)
7th	Weili Zhang (24-3-0)	UFC Women's Strawweight	103 days - (3 months & 11 days)
8th	Sean Strickland (28-5-0)	UFC Middleweight	82 days - (2 months & 21 days)
9th	Islam Makhachev (25-1-0)	UFC Lightweight	40 days - (1 month & 9 days)
10th	Alex Pereira (9-2-0)	UFC Light Heavyweight	19 days - (19 days)

Longest Since Last Defence in Bellator

MMA World Champions With Longest Time Since They Defended Their Belt in Bellator
Position	Champion	Belt	Time inactive
1st	Patricio Pitbull (35-6-0)	Bellator Featherweight	425 days - (1 year & 1 month)
2nd	Ryan Bader (31-7-0)	Bellator Heavyweight	299 days - (9 months & 26 days)
3rd	Vadim Nemkov (16-2-0)	Bellator Light Heavyweight	167 days - (5 months & 14 days)
4th	Johnny Eblen (14-0-0)	Bellator Middleweight	68 days - (2 months & 7 days)
5th	Usman Nurmagomedov (18-0-0)	Bellator Lightweight	54 days - (1 month & 23 days)
6th	Cris Cyborg (27-2-0)	Bellator Women’s Featherweight	54 days - (1 month & 23 days)
7th	Liz Carmouche (20-7-0)	Bellator Women’s Flyweight	54 days - (1 month & 23 days)
8th	Jason Jackson (17-4-0)	Bellator Welterweight	13 days - (13 days)
9th	Patchy Mix (19-1-0)	Bellator Bantamweight	13 days - (13 days)

Longest Since Last Defence in One Championship

MMA World Champions With Longest Time Since They Defended Their Belt in One Championship
Position	Champion	Belt	Time inactive
1st	Reinier de Ridder (16-1-0)	ONE Middleweight	1126 days - (3 years & 1 month)
2nd	Christian Lee (17-4-0)	ONE Lightweight	461 days - (1 year & 3 months)
3rd	Kai Tang (15-2-0)	ONE Featherweight	461 days - (1 year & 3 months)
4th	Jingnan Xiong (18-2-0)	ONE Women’s Strawweight	426 days - (1 year & 2 months)
5th	Christian Lee (17-4-0)	ONE Welterweight	377 days - (1 year & 12 days)
6th	Anatoly Malykhin (13-0-0)	ONE Light Heavyweight	363 days - (11 months & 28 days)
7th	Fabricio de Andrade (9-2-0)	ONE Bantamweight	293 days - (9 months & 20 days)
8th	Demetrious Johnson (25-4-1)	ONE Flyweight	209 days - (6 months & 25 days)
9th	Arjan Bhullar (11-2-0)	ONE Heavyweight	160 days - (5 months & 7 days)
10th	Stamp Fairtex (11-2-0)	ONE Women’s Atomweight	90 days - (2 months & 29 days)

Youngest Champions in UFC

Youngest MMA World Champions in UFC
Position	Champion	Belt	Age
1st	Sean O’Malley (17-1-0)	UFC Bantamweight	29 years & 1 month
2nd	Alexa Grasso (16-3-1)	UFC Women's Flyweight	30 years & 3 months
3rd	Tom Aspinall (14-3-0)	UFC Interim Heavyweight	30 years & 7 months
4th	Islam Makhachev (25-1-0)	UFC Lightweight	32 years & 2 months
5th	Leon Edwards (21-3-0)	UFC Welterweight	32 years & 3 months
6th	Sean Strickland (28-5-0)	UFC Middleweight	32 years & 9 months
7th	Alexandre Pantoja (26-5-0)	UFC Flyweight	33 years & 7 months
8th	Weili Zhang (24-3-0)	UFC Women's Strawweight	34 years & 3 months
9th	Alexander Volkanovski (26-3-0)	UFC Featherweight	35 years & 2 months
10th	Jon Jones (27-1-0)	UFC Heavyweight	36 years & 4 months

Oldest Champions in UFC

Oldest MMA World Champions in UFC
Position	Champion	Belt	Age
1st	Alex Pereira (9-2-0)	UFC Light Heavyweight	36 years & 4 months
2nd	Jon Jones (27-1-0)	UFC Heavyweight	36 years & 4 months
3rd	Alexander Volkanovski (26-3-0)	UFC Featherweight	35 years & 2 months
4th	Weili Zhang (24-3-0)	UFC Women's Strawweight	34 years & 3 months
5th	Alexandre Pantoja (26-5-0)	UFC Flyweight	33 years & 7 months
6th	Sean Strickland (28-5-0)	UFC Middleweight	32 years & 9 months
7th	Leon Edwards (21-3-0)	UFC Welterweight	32 years & 3 months
8th	Islam Makhachev (25-1-0)	UFC Lightweight	32 years & 2 months
9th	Tom Aspinall (14-3-0)	UFC Interim Heavyweight	30 years & 7 months
10th	Alexa Grasso (16-3-1)	UFC Women's Flyweight	30 years & 3 months

Most Champions by Country

Countries With Most MMA Champions
Position	Country	No. of Champions	Champion's Names
1st	United States	8	Jon Jones Ryan Bader Sean Strickland Johnny Eblen Sean O’Malley Patchy Mix Demetrious Johnson Liz Carmouche
2nd	Brazil	6	Alex Pereira Roberto ‘Satoshi’ de Souza Patricio Pitbull Fabricio de Andrade Alexandre Pantoja Cris Cyborg
3rd	Russian Federation	4	Vadim Nemkov Anatoly Malykhin Islam Makhachev Usman Nurmagomedov
4th	China	3	Kai Tang Weili Zhang Jingnan Xiong
5th	United Kingdom	2	Tom Aspinall Leon Edwards
=	Canada	2	Arjan Bhullar Christian Lee
=	Japan	2	Kyoji Horiguchi Ayaka Hamasaki
8th	Netherlands	1	Reinier de Ridder
=	Jamaica	1	Jason Jackson
=	Australia	1	Alexander Volkanovski
=	Mexico	1	Alexa Grasso
=	Thailand	1	Stamp Fairtex

Most Belts Held By Country

Most World MMA Titles Held By Country
Position	Country	No. of Belts	Belts
1st	United States	8	UFC Heavyweight (Jon Jones) Bellator Heavyweight (Ryan Bader) UFC Middleweight (Sean Strickland) Bellator Middleweight (Johnny Eblen) UFC Bantamweight (Sean O’Malley) Bellator Bantamweight (Patchy Mix) ONE Flyweight (Demetrious Johnson) Bellator Women’s Flyweight (Liz Carmouche)
2nd	Brazil	6	UFC Light Heavyweight (Alex Pereira) Rizin Lightweight (Roberto ‘Satoshi’ de Souza) Bellator Featherweight (Patricio Pitbull) ONE Bantamweight (Fabricio de Andrade) UFC Flyweight (Alexandre Pantoja) Bellator Women’s Featherweight (Cris Cyborg)
3rd	Russian Federation	4	Bellator Light Heavyweight (Vadim Nemkov) ONE Light Heavyweight (Anatoly Malykhin) UFC Lightweight (Islam Makhachev) Bellator Lightweight (Usman Nurmagomedov)
4th	Canada	3	ONE Heavyweight (Arjan Bhullar) ONE Welterweight (Christian Lee) ONE Lightweight (Christian Lee)
=	China	3	ONE Featherweight (Kai Tang) UFC Women’s Strawweight (Weili Zhang) ONE Women’s Strawweight (Jingnan Xiong)
6th	United Kingdom	2	UFC Interim Heavyweight (Tom Aspinall) UFC Welterweight (Leon Edwards)
=	Japan	2	Rizin Bantamweight (Kyoji Horiguchi) Rizin Women’s Super Atomweight (Ayaka Hamasaki)
8th	Netherlands	1	ONE Middleweight (Reinier de Ridder)
=	Jamaica	1	Bellator Welterweight (Jason Jackson)
=	Australia	1	UFC Featherweight (Alexander Volkanovski)
=	Mexico	1	UFC Women’s Flyweight (Alexa Grasso)
=	Thailand	1	ONE Women’s Atomweight (Stamp Fairtex)

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Most Defences in UFC

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Most Active in One Championship

Least Active in UFC

Least Active in Bellator

Least Active in One Championship

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Longest Since Last Defence in Bellator

Longest Since Last Defence in One Championship

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