MMA Champions

Heavyweight champions

UFC Heavyweight Champion

Vacant

Bellator Heavyweight Champion

Ryan
Bader

30-7-0

Expand Collapse

Next Scheduled Defence

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

Last defence

Kongo (31-11-2) UD 5 06-May-2022

Time inactive

269 days - (8 months & 24 days)

Won against

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

Time held

1465 days - (4 years)

Total defences

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 488 days - (1 year & 4 months)

ONE Heavyweight Champion

Arjan
Bhullar

11-1-0

Expand Collapse

Next Scheduled Defence

Malykhin (11-0-0) 24-Mar-2023

Last defence

Not Defended Yet

Time inactive

625 days - (1 year & 8 months)

Won against

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

Time held

625 days - (1 year & 8 months)

Total defences

Activity average

N/A

View full Heavyweight rankings

Light Heavyweight champions

UFC Light Heavyweight Champion

Jamahal
Hill

12-1-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

10 days - (10 days)

Won against

Teixeira (33-8-0) UD 5 21-Jan-2023

Time held

10 days - (10 days)

Total defences

Activity average

N/A

Bellator Light Heavyweight Champion

Vadim
Nemkov

15-2-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Anderson (16-5-0) UD 5 18-Nov-2022

Time inactive

73 days - (2 months & 12 days)

Won against

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

Time held

1206 days - (3 years & 3 months)

Total defences

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 & 27 days)

ONE Light Heavyweight Champion

Anatoly
Malykhin

11-0-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

59 days - (1 month & 28 days)

Won against

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

Time held

59 days - (1 month & 28 days)

Total defences

Activity average

N/A

View full Light Heavyweight rankings

Middleweight champions

UFC Middleweight Champion

Alex
Pereira

7-1-0

Expand Collapse

Next Scheduled Defence

Adesanya (23-2-0) 08-Apr-2023

Last defence

Not Defended Yet

Time inactive

79 days - (2 months & 18 days)

Won against

Adesanya (23-1-0) KO 5 12-Nov-2022

Time held

79 days - (2 months & 18 days)

Total defences

Activity average

N/A

Bellator Middleweight Champion

Johnny
Eblen

12-0-0

Expand Collapse

Next Scheduled Defence

Tokov (31-2-0) 04-Feb-2023

Last defence

Not Defended Yet

Time inactive

220 days - (7 months & 6 days)

Won against

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

Time held

220 days - (7 months & 6 days)

Total defences

Activity average

N/A

ONE Middleweight Champion

Reinier de Ridder

16-1-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

822 days - (2 years & 3 months)

Won against

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

Time held

822 days - (2 years & 3 months)

Total defences

Activity average

N/A

View full Middleweight rankings

Welterweight champions

UFC Welterweight Champion

Leon
Edwards

20-3-0

Expand Collapse

Next Scheduled Defence

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

Last defence

Not Defended Yet

Time inactive

163 days - (5 months & 10 days)

Won against

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

Time held

163 days - (5 months & 10 days)

Total defences

Activity average

N/A

Bellator Welterweight Champion

Yaroslav
Amosov

26-0-0

Expand Collapse

Next Scheduled Defence

Storley (14-1-0) 25-Feb-2023

Last defence

Not Defended Yet

Time inactive

598 days - (1 year & 7 months)

Won against

Lima (32-8-0) UD 5 11-Jun-2021

Time held

598 days - (1 year & 7 months)

Total defences

Activity average

N/A

Bellator Interim Welterweight Champion

Logan
Storley

14-1-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

19387 days - (53 years)

Won against

()

Time held

19387 days - (53 years)

Total defences

Activity average

N/A

ONE Welterweight Champion

Christian
Lee

17-4-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

73 days - (2 months & 12 days)

Won against

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

Time held

73 days - (2 months & 12 days)

Total defences

Activity average

N/A

View full Welterweight rankings

Lightweight champions

UFC Lightweight Champion

Islam
Makhachev

23-1-0

Expand Collapse

Next Scheduled Defence

Volkanovski (25-1-0) 11-Feb-2023

Last defence

Not Defended Yet

Time inactive

100 days - (3 months & 8 days)

Won against

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

Time held

100 days - (3 months & 8 days)

Total defences

Activity average

N/A

Bellator Lightweight Champion

Usman
Nurmagomedov

16-0-0

Expand Collapse

Next Scheduled Defence

Henderson (30-11-0) 10-Mar-2023

Last defence

Not Defended Yet

Time inactive

73 days - (2 months & 12 days)

Won against

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

Time held

73 days - (2 months & 12 days)

Total defences

Activity average

N/A

ONE Lightweight Champion

Christian
Lee

17-4-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

157 days - (5 months & 4 days)

Won against

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

Time held

157 days - (5 months & 4 days)

Total defences

Activity average

N/A

Rizin Lightweight Champion

Roberto ‘Satoshi’ de Souza

14-2-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

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

Time inactive

288 days - (9 months & 13 days)

Won against

Musayev (18-3-0) SUB 1 06-Jun-2021

Time held

603 days - (1 year & 7 months)

Total defences

Apr 17 2022

SUB 1

Case (27-7-1)

Dec 30 2021

SUB 2

Yachi (23-11-0)

Activity average

Every 302 days - (9 months & 27 days)

View full Lightweight rankings

Featherweight champions

UFC Featherweight Champion

Alexander
Volkanovski

25-1-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Holloway (23-6-0) UD 5 02-Jul-2022

Time inactive

212 days - (6 months & 28 days)

Won against

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

Time held

1143 days - (3 years & 1 month)

Total defences

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 286 days - (9 months & 11 days)

Bellator Featherweight Champion

Patricio
Pitbull

35-5-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

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

Time inactive

121 days - (3 months & 29 days)

Won against

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

Time held

290 days - (9 months & 15 days)

Total defences

Oct 01 2022

UD 5

Borics (18-1-0)

Activity average

Every 290 days - (9 months & 15 days)

ONE Featherweight Champion

Kai
Tang

15-2-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

157 days - (5 months & 4 days)

Won against

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

Time held

157 days - (5 months & 4 days)

Total defences

Activity average

N/A

Rizin Featherweight Champion

Kleber Koike Erbst

31-6-1

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

99 days - (3 months & 7 days)

Won against

Ushiku (20-6-0) SUB 2 23-Oct-2022

Time held

99 days - (3 months & 7 days)

Total defences

Activity average

N/A

View full Featherweight rankings

Bantamweight champions

UFC Bantamweight Champion

Aljamain
Sterling

22-3-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Dillashaw (17-4-0) KO 2 22-Oct-2022

Time inactive

101 days - (3 months & 9 days)

Won against

Yan (15-1-0) Others 4 06-Mar-2021

Time held

696 days - (1 year & 10 months)

Total defences

Oct 22 2022

KO 2

Dillashaw (17-4-0)

Apr 09 2022

SD 5

Yan (16-2-0)

Activity average

Every 348 days - (11 months & 14 days)

Bellator Bantamweight Champion

Sergio
Pettis

22-5-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Horiguchi (29-3-0) KO 4 03-Dec-2021

Time inactive

424 days - (1 year & 1 month)

Won against

Archuleta (25-2-0) UD 5 07-May-2021

Time held

634 days - (1 year & 8 months)

Total defences

Dec 03 2021

KO 4

Horiguchi (29-3-0)

Activity average

Every 634 days - (1 year & 8 months)

ONE Bantamweight Champion

Vacant

Rizin Bantamweight Champion

Kyoji
Horiguchi

31-5-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

760 days - (2 years)

Won against

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

Time held

760 days - (2 years)

Total defences

Activity average

N/A

View full Bantamweight rankings

Flyweight champions

UFC Flyweight Champion

Brandon
Moreno

21-6-2

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

10 days - (10 days)

Won against

Figueiredo (21-2-1) KO 3 21-Jan-2023

Time held

10 days - (10 days)

Total defences

Activity average

N/A

UFC Interim Flyweight Champion

Brandon
Moreno

21-6-2

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

184 days - (6 months)

Won against

France (24-9-0) KO 3 30-Jul-2022

Time held

184 days - (6 months)

Total defences

Activity average

N/A

ONE Flyweight Champion

Demetrious
Johnson

31-4-1

Expand Collapse

Next Scheduled Defence

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

Last defence

Not Defended Yet

Time inactive

157 days - (5 months & 4 days)

Won against

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

Time held

157 days - (5 months & 4 days)

Total defences

Activity average

N/A

View full Flyweight rankings

Women’s Featherweight champions

UFC Women’s Featherweight Champion

Amanda
Nunes

22-5-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Anderson (11-4-0) SUB 1 06-Mar-2021

Time inactive

695 days - (1 year & 10 months)

Won against

Cyborg (20-1-0) KO 1 29-Dec-2018

Time held

1493 days - (4 years & 1 month)

Total defences

Mar 06 2021

SUB 1

Anderson (11-4-0)

Jun 06 2020

UD 5

Spencer (8-1-0)

Activity average

Every 747 days - (2 years)

Bellator Women’s Featherweight Champion

Cris
Cyborg

25-2-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Blencowe (15-8-0) UD 5 23-Apr-2022

Time inactive

282 days - (9 months & 7 days)

Won against

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

Time held

1101 days - (3 years)

Total defences

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 275 days - (9 months)

View full Women’s Featherweight rankings

Women’s Bantamweight champions

UFC Women’s Bantamweight Champion

Julianna
Pena

11-5-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Nunes (21-5-0) UD 5 30-Jul-2022

Time inactive

184 days - (6 months)

Won against

Nunes (21-4-0) SUB 2 11-Dec-2021

Time held

415 days - (1 year & 1 month)

Total defences

Jul 30 2022

UD 5

Nunes (21-5-0)

Activity average

Every 415 days - (1 year & 1 month)

View full Women’s Bantamweight rankings

Women’s Flyweight champions

UFC Women’s Flyweight Champion

Valentina
Shevchenko

23-3-0

Expand Collapse

Next Scheduled Defence

Grasso (15-3-0) 04-Mar-2023

Last defence

Santos (19-1-0) SD 5 11-Jun-2022

Time inactive

233 days - (7 months & 19 days)

Won against

Jedrzejczyk (15-2-0) UD 5 08-Dec-2018

Time held

1514 days - (4 years & 1 month)

Total defences

Jun 11 2022

SD 5

Santos (19-1-0)

Sep 25 2021

KO 4

Murphy (15-4-0)

Apr 24 2021

KO 2

Andrade (21-8-0)

Nov 21 2020

UD 5

Maia (18-6-1)

Feb 08 2020

KO 3

Chookagian (13-2-0)

Aug 10 2019

UD 5

Carmouche (13-6-0)

Jun 08 2019

KO 2

Eye (14-6-0)

Activity average

Every 216 days - (7 months & 2 days)

Bellator Women’s Flyweight Champion

Liz
Carmouche

17-7-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Velasquez (12-1-0) SUB 2 09-Dec-2022

Time inactive

52 days - (1 month & 21 days)

Won against

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

Time held

283 days - (9 months & 8 days)

Total defences

Dec 09 2022

SUB 2

Velasquez (12-1-0)

Activity average

Every 283 days - (9 months & 8 days)

View full Women’s Flyweight rankings

Women’s Strawweight champions

UFC Women’s Strawweight Champion

Weili
Zhang

23-3-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Not Defended Yet

Time inactive

79 days - (2 months & 18 days)

Won against

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

Time held

79 days - (2 months & 18 days)

Total defences

Activity average

N/A

ONE Women’s Strawweight Champion

Jingnan
Xiong

18-2-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

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

Time inactive

122 days - (4 months)

Won against

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

Time held

1836 days - (5 years)

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 262 days - (8 months & 17 days)

View full Women’s Strawweight rankings

Women’s Atomweight champions

ONE Women’s Atomweight Champion

Angela
Lee

11-3-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

Fairtex (8-1-0) SUB 2 26-Mar-2022

Time inactive

310 days - (10 months & 4 days)

Won against

(Promoted From Secondary Belt)

Time held

2460 days - (6 years & 8 months)

Total defences

Mar 26 2022

SUB 2

Fairtex (8-1-0)

Oct 12 2019

SUB 5

Xiong (14-1-0)

Activity average

Every 1230 days - (3 years & 4 months)

Rizin Women’s Super Atomweight Champion

Ayaka
Hamasaki

24-5-0

Expand Collapse

Next Scheduled Defence

TBA

Last defence

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

Time inactive

288 days - (9 months & 13 days)

Won against

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

Time held

760 days - (2 years)

Total defences

Apr 17 2022

UD 3

Izawa (5-0-0)

Mar 21 2021

SD 3

Asakura (18-4-0)

Activity average

Every 380 days - (1 year & 15 days)

View full Women’s Atomweight rankings

All Current MMA World Champions

MMA World Champions
Weight	UFC	Bellator	One Championship
Heavyweight (200 lb+)	Vacant	Ryan Bader (30-7-0)	Arjan Bhullar (11-1-0)
Light Heavyweight (205 lb)	Jamahal Hill (12-1-0)	Vadim Nemkov (15-2-0)	Anatoly Malykhin (11-0-0)
Middleweight (185 lb)	Alex Pereira (7-1-0)	Johnny Eblen (12-0-0)	Reinier de Ridder (16-1-0)
Welterweight (170 lb)	Leon Edwards (20-3-0)	Yaroslav Amosov (26-0-0) (Bellator Welterweight) Logan Storley (14-1-0) (Bellator Interim Welterweight)	Christian Lee (17-4-0)
Lightweight (155 lb)	Islam Makhachev (23-1-0)	Usman Nurmagomedov (16-0-0)	Christian Lee (17-4-0)
Featherweight (145 lb)	Alexander Volkanovski (25-1-0)	Patricio Pitbull (35-5-0)	Kai Tang (15-2-0)
Bantamweight (135 lb)	Aljamain Sterling (22-3-0)	Sergio Pettis (22-5-0)	Vacant
Flyweight (125 lb)	Brandon Moreno (21-6-2) (UFC Flyweight) Brandon Moreno (21-6-2) (UFC Interim Flyweight)	-	Demetrious Johnson (31-4-1)
Women’s Featherweight (145 lb)	Amanda Nunes (22-5-0)	Cris Cyborg (25-2-0)	-
Women’s Bantamweight (135 lb)	Julianna Pena (11-5-0)	-	-
Women’s Flyweight (125 lb)	Valentina Shevchenko (23-3-0)	Liz Carmouche (17-7-0)	-
Women’s Strawweight (115 lb)	Weili Zhang (23-3-0)	-	Jingnan Xiong (18-2-0)
Women’s Atomweight (105 lb)	-	-	Angela Lee (11-3-0)

Champion Stats & Records

Total Number of Recognised Champions

Total Number Of Active Titles

32.9

Average Age Of A MMA World Champion

1134

days

Average Reign

1.23

Average Total Defences

Longest Reigning Champions in UFC

Longest Reigning MMA World Champions in UFC
Position	Champion	Belt	Time held
1st	Valentina Shevchenko (23-3-0)	UFC Women's Flyweight	1514 days - (4 years & 1 month)
2nd	Amanda Nunes (22-5-0)	UFC Women's Featherweight	1493 days - (4 years & 1 month)
3rd	Alexander Volkanovski (25-1-0)	UFC Featherweight	1143 days - (3 years & 1 month)
4th	Aljamain Sterling (22-3-0)	UFC Bantamweight	696 days - (1 year & 10 months)
5th	Julianna Pena (11-5-0)	UFC Women's Bantamweight	415 days - (1 year & 1 month)
6th	Brandon Moreno (21-6-2)	UFC Interim Flyweight	184 days - (6 months)
7th	Leon Edwards (20-3-0)	UFC Welterweight	163 days - (5 months & 10 days)
8th	Islam Makhachev (23-1-0)	UFC Lightweight	100 days - (3 months & 8 days)
9th	Alex Pereira (7-1-0)	UFC Middleweight	79 days - (2 months & 18 days)
10th	Weili Zhang (23-3-0)	UFC Women's Strawweight	79 days - (2 months & 18 days)

Longest Reigning Champions in Bellator

Longest Reigning MMA World Champions in Bellator
Position	Champion	Belt	Time held
1st	Logan Storley (14-1-0)	Bellator Interim Welterweight	19387 days - (53 years)
2nd	Ryan Bader (30-7-0)	Bellator Heavyweight	1465 days - (4 years)
3rd	Vadim Nemkov (15-2-0)	Bellator Light Heavyweight	1206 days - (3 years & 3 months)
4th	Cris Cyborg (25-2-0)	Bellator Women’s Featherweight	1101 days - (3 years)
5th	Sergio Pettis (22-5-0)	Bellator Bantamweight	634 days - (1 year & 8 months)
6th	Yaroslav Amosov (26-0-0)	Bellator Welterweight	598 days - (1 year & 7 months)
7th	Patricio Pitbull (35-5-0)	Bellator Featherweight	290 days - (9 months & 15 days)
8th	Liz Carmouche (17-7-0)	Bellator Women’s Flyweight	283 days - (9 months & 8 days)
9th	Johnny Eblen (12-0-0)	Bellator Middleweight	220 days - (7 months & 6 days)
10th	Usman Nurmagomedov (16-0-0)	Bellator Lightweight	73 days - (2 months & 12 days)

Longest Reigning Champions in One Championship

Longest Reigning MMA World Champions in One Championship
Position	Champion	Belt	Time held
1st	Angela Lee (11-3-0)	ONE Women’s Atomweight	2460 days - (6 years & 8 months)
2nd	Jingnan Xiong (18-2-0)	ONE Women’s Strawweight	1836 days - (5 years)
3rd	Reinier de Ridder (16-1-0)	ONE Middleweight	822 days - (2 years & 3 months)
4th	Arjan Bhullar (11-1-0)	ONE Heavyweight	625 days - (1 year & 8 months)
5th	Christian Lee (17-4-0)	ONE Lightweight	157 days - (5 months & 4 days)
6th	Kai Tang (15-2-0)	ONE Featherweight	157 days - (5 months & 4 days)
7th	Demetrious Johnson (31-4-1)	ONE Flyweight	157 days - (5 months & 4 days)
8th	Christian Lee (17-4-0)	ONE Welterweight	73 days - (2 months & 12 days)
9th	Anatoly Malykhin (11-0-0)	ONE Light Heavyweight	59 days - (1 month & 28 days)

Most Defences in UFC

MMA World Champions With Most Defences in UFC
Position	Champion	Belt	Total Defences
1st	Valentina Shevchenko (23-3-0)	UFC Women's Flyweight	7
2nd	Alexander Volkanovski (25-1-0)	UFC Featherweight	4
3rd	Aljamain Sterling (22-3-0)	UFC Bantamweight	2
=	Amanda Nunes (22-5-0)	UFC Women's Featherweight	2
5th	Julianna Pena (11-5-0)	UFC Women's Bantamweight	1

Most Defences in Bellator

MMA World Champions With Most Defences in Bellator
Position	Champion	Belt	Total Defences
1st	Vadim Nemkov (15-2-0)	Bellator Light Heavyweight	4
=	Cris Cyborg (25-2-0)	Bellator Women’s Featherweight	4
3rd	Ryan Bader (30-7-0)	Bellator Heavyweight	3
4th	Patricio Pitbull (35-5-0)	Bellator Featherweight	1
=	Sergio Pettis (22-5-0)	Bellator Bantamweight	1
=	Liz Carmouche (17-7-0)	Bellator Women’s Flyweight	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	Angela Lee (11-3-0)	ONE Women’s Atomweight	2

Most Active in UFC

Most Active MMA World Champions in UFC
Position	Champion	Belt	Activity Average (Days Between Defences)
1st	Valentina Shevchenko (23-3-0)	UFC Women's Flyweight	216 days
2nd	Alexander Volkanovski (25-1-0)	UFC Featherweight	286 days
3rd	Aljamain Sterling (22-3-0)	UFC Bantamweight	348 days
4th	Julianna Pena (11-5-0)	UFC Women's Bantamweight	415 days
5th	Amanda Nunes (22-5-0)	UFC Women's Featherweight	747 days

Most Active in Bellator

Most Active MMA World Champions in Bellator
Position	Champion	Belt	Activity Average (Days Between Defences)
1st	Cris Cyborg (25-2-0)	Bellator Women’s Featherweight	275 days
2nd	Liz Carmouche (17-7-0)	Bellator Women’s Flyweight	283 days
3rd	Patricio Pitbull (35-5-0)	Bellator Featherweight	290 days
4th	Vadim Nemkov (15-2-0)	Bellator Light Heavyweight	302 days
5th	Ryan Bader (30-7-0)	Bellator Heavyweight	488 days
6th	Sergio Pettis (22-5-0)	Bellator Bantamweight	634 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	262 days
2nd	Angela Lee (11-3-0)	ONE Women’s Atomweight	1230 days

Least Active in UFC

Least Active MMA World Champions in UFC
Position	Champion	Belt	Activity Average (Days Between Defences)
1st	Amanda Nunes (22-5-0)	UFC Women's Featherweight	747 days
2nd	Julianna Pena (11-5-0)	UFC Women's Bantamweight	415 days
3rd	Aljamain Sterling (22-3-0)	UFC Bantamweight	348 days
4th	Alexander Volkanovski (25-1-0)	UFC Featherweight	286 days
5th	Valentina Shevchenko (23-3-0)	UFC Women's Flyweight	216 days

Least Active in Bellator

Least Active MMA World Champions in Bellator
Position	Champion	Belt	Activity Average (Days Between Defences)
1st	Sergio Pettis (22-5-0)	Bellator Bantamweight	634 days
2nd	Ryan Bader (30-7-0)	Bellator Heavyweight	488 days
3rd	Vadim Nemkov (15-2-0)	Bellator Light Heavyweight	302 days
4th	Patricio Pitbull (35-5-0)	Bellator Featherweight	290 days
5th	Liz Carmouche (17-7-0)	Bellator Women’s Flyweight	283 days
6th	Cris Cyborg (25-2-0)	Bellator Women’s Featherweight	275 days

Least Active in One Championship

Least Active MMA World Champions in One Championship
Position	Champion	Belt	Activity Average (Days Between Defences)
1st	Angela Lee (11-3-0)	ONE Women’s Atomweight	1230 days
2nd	Jingnan Xiong (18-2-0)	ONE Women’s Strawweight	262 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	Amanda Nunes (22-5-0)	UFC Women's Featherweight	695 days - (1 year & 10 months)
2nd	Valentina Shevchenko (23-3-0)	UFC Women's Flyweight	233 days - (7 months & 19 days)
3rd	Alexander Volkanovski (25-1-0)	UFC Featherweight	212 days - (6 months & 28 days)
4th	Julianna Pena (11-5-0)	UFC Women's Bantamweight	184 days - (6 months)
5th	Brandon Moreno (21-6-2)	UFC Interim Flyweight	184 days - (6 months)
6th	Leon Edwards (20-3-0)	UFC Welterweight	163 days - (5 months & 10 days)
7th	Aljamain Sterling (22-3-0)	UFC Bantamweight	101 days - (3 months & 9 days)
8th	Islam Makhachev (23-1-0)	UFC Lightweight	100 days - (3 months & 8 days)
9th	Alex Pereira (7-1-0)	UFC Middleweight	79 days - (2 months & 18 days)
10th	Weili Zhang (23-3-0)	UFC Women's Strawweight	79 days - (2 months & 18 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	Logan Storley (14-1-0)	Bellator Interim Welterweight	19387 days - (53 years)
2nd	Yaroslav Amosov (26-0-0)	Bellator Welterweight	598 days - (1 year & 7 months)
3rd	Sergio Pettis (22-5-0)	Bellator Bantamweight	424 days - (1 year & 1 month)
4th	Cris Cyborg (25-2-0)	Bellator Women’s Featherweight	282 days - (9 months & 7 days)
5th	Ryan Bader (30-7-0)	Bellator Heavyweight	269 days - (8 months & 24 days)
6th	Johnny Eblen (12-0-0)	Bellator Middleweight	220 days - (7 months & 6 days)
7th	Patricio Pitbull (35-5-0)	Bellator Featherweight	121 days - (3 months & 29 days)
8th	Vadim Nemkov (15-2-0)	Bellator Light Heavyweight	73 days - (2 months & 12 days)
9th	Usman Nurmagomedov (16-0-0)	Bellator Lightweight	73 days - (2 months & 12 days)
10th	Liz Carmouche (17-7-0)	Bellator Women’s Flyweight	52 days - (1 month & 21 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	822 days - (2 years & 3 months)
2nd	Arjan Bhullar (11-1-0)	ONE Heavyweight	625 days - (1 year & 8 months)
3rd	Angela Lee (11-3-0)	ONE Women’s Atomweight	310 days - (10 months & 4 days)
4th	Christian Lee (17-4-0)	ONE Lightweight	157 days - (5 months & 4 days)
5th	Kai Tang (15-2-0)	ONE Featherweight	157 days - (5 months & 4 days)
6th	Demetrious Johnson (31-4-1)	ONE Flyweight	157 days - (5 months & 4 days)
7th	Jingnan Xiong (18-2-0)	ONE Women’s Strawweight	122 days - (4 months)
8th	Christian Lee (17-4-0)	ONE Welterweight	73 days - (2 months & 12 days)
9th	Anatoly Malykhin (11-0-0)	ONE Light Heavyweight	59 days - (1 month & 28 days)

Youngest Champions in UFC

Youngest MMA World Champions in UFC
Position	Champion	Belt	Age
1st	Brandon Moreno (21-6-2)	UFC Flyweight, UFC Interim Flyweight	29 years & 1 month
2nd	Islam Makhachev (23-1-0)	UFC Lightweight	31 years & 4 months
3rd	Leon Edwards (20-3-0)	UFC Welterweight	31 years & 5 months
4th	Jamahal Hill (12-1-0)	UFC Light Heavyweight	31 years & 8 months
5th	Julianna Pena (11-5-0)	UFC Women's Bantamweight	33 years & 5 months
6th	Weili Zhang (23-3-0)	UFC Women's Strawweight	33 years & 5 months
7th	Aljamain Sterling (22-3-0)	UFC Bantamweight	33 years & 5 months
8th	Alexander Volkanovski (25-1-0)	UFC Featherweight	34 years & 4 months
9th	Amanda Nunes (22-5-0)	UFC Women's Featherweight	34 years & 8 months
10th	Valentina Shevchenko (23-3-0)	UFC Women's Flyweight	34 years & 10 months

Oldest Champions in UFC

Oldest MMA World Champions in UFC
Position	Champion	Belt	Age
1st	Alex Pereira (7-1-0)	UFC Middleweight	35 years & 6 months
2nd	Valentina Shevchenko (23-3-0)	UFC Women's Flyweight	34 years & 10 months
3rd	Amanda Nunes (22-5-0)	UFC Women's Featherweight	34 years & 8 months
4th	Alexander Volkanovski (25-1-0)	UFC Featherweight	34 years & 4 months
5th	Aljamain Sterling (22-3-0)	UFC Bantamweight	33 years & 5 months
6th	Weili Zhang (23-3-0)	UFC Women's Strawweight	33 years & 5 months
7th	Julianna Pena (11-5-0)	UFC Women's Bantamweight	33 years & 5 months
8th	Jamahal Hill (12-1-0)	UFC Light Heavyweight	31 years & 8 months
9th	Leon Edwards (20-3-0)	UFC Welterweight	31 years & 5 months
10th	Islam Makhachev (23-1-0)	UFC Lightweight	31 years & 4 months

Most Champions by Country

Countries With Most MMA Champions
Position	Country	No. of Champions	Champion's Names
1st	United States	9	Ryan Bader Jamahal Hill Johnny Eblen Logan Storley Aljamain Sterling Sergio Pettis Demetrious Johnson Julianna Pena Liz Carmouche
2nd	Brazil	6	Alex Pereira Roberto ‘Satoshi’ de Souza Patricio Pitbull Kleber Koike Erbst Amanda Nunes Cris Cyborg
3rd	Russian Federation	4	Vadim Nemkov Anatoly Malykhin Islam Makhachev Usman Nurmagomedov
4th	Canada	3	Arjan Bhullar Christian Lee Angela Lee
=	China	3	Kai Tang Weili Zhang Jingnan Xiong
6th	Japan	2	Kyoji Horiguchi Ayaka Hamasaki
7th	Netherlands	1	Reinier de Ridder
=	United Kingdom	1	Leon Edwards
=	Ukraine	1	Yaroslav Amosov
=	Australia	1	Alexander Volkanovski
=	Mexico	1	Brandon Moreno
=	Kyrgyzstan	1	Valentina Shevchenko

Most Belts Held By Country

Most World MMA Titles Held By Country
Position	Country	No. of Belts	Belts
1st	United States	9	Bellator Heavyweight (Ryan Bader) UFC Light Heavyweight (Jamahal Hill) Bellator Middleweight (Johnny Eblen) Bellator Interim Welterweight (Logan Storley) UFC Bantamweight (Aljamain Sterling) Bellator Bantamweight (Sergio Pettis) ONE Flyweight (Demetrious Johnson) UFC Women’s Bantamweight (Julianna Pena) Bellator Women’s Flyweight (Liz Carmouche)
2nd	Brazil	6	UFC Middleweight (Alex Pereira) Rizin Lightweight (Roberto ‘Satoshi’ de Souza) Bellator Featherweight (Patricio Pitbull) Rizin Featherweight (Kleber Koike Erbst) UFC Women’s Featherweight (Amanda Nunes) Bellator Women’s Featherweight (Cris Cyborg)
3rd	Canada	4	ONE Heavyweight (Arjan Bhullar) ONE Welterweight (Christian Lee) ONE Lightweight (Christian Lee) ONE Women’s Atomweight (Angela Lee)
=	Russian Federation	4	Bellator Light Heavyweight (Vadim Nemkov) ONE Light Heavyweight (Anatoly Malykhin) UFC Lightweight (Islam Makhachev) Bellator Lightweight (Usman Nurmagomedov)
5th	China	3	ONE Featherweight (Kai Tang) UFC Women’s Strawweight (Weili Zhang) ONE Women’s Strawweight (Jingnan Xiong)
6th	Japan	2	Rizin Bantamweight (Kyoji Horiguchi) Rizin Women’s Super Atomweight (Ayaka Hamasaki)
=	Mexico	2	UFC Flyweight (Brandon Moreno) UFC Interim Flyweight (Brandon Moreno)
8th	Netherlands	1	ONE Middleweight (Reinier de Ridder)
=	United Kingdom	1	UFC Welterweight (Leon Edwards)
=	Ukraine	1	Bellator Welterweight (Yaroslav Amosov)
=	Australia	1	UFC Featherweight (Alexander Volkanovski)
=	Kyrgyzstan	1	UFC Women’s Flyweight (Valentina Shevchenko)