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Youngest champions

Youngest fighters to win an undisputed UFC title, by age on the day.

All timeSince 2020Since 2010Since 2001Before 2000
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Reigns are derived from championship bouts. When a belt was vacated or stripped outside a title fight, the reign is shown ending at the next title fight in that division, so a few run long; a title awarded without a fight (José Aldo's in 2010, for one) starts at the champion's first UFC title fight.

109 fighters.

#FighterAgeDivisionWonEnded
1Jon Jones23 years, 243 daysLight HeavyweightMar 19, 2011May 23, 2015
2Joshua Van24 years, 57 daysFlyweightDec 6, 2025Champion
3Josh Barnett24 years, 132 daysHeavyweightMar 22, 2002Sep 27, 2002
4Jose Aldo24 years, 233 daysFeatherweightApr 30, 2011Dec 12, 2015
5Carlos Newton24 years, 260 daysWelterweightMay 4, 2001Nov 2, 2001
6Frank Shamrock25 years, 13 daysLight HeavyweightDec 21, 1997Apr 14, 2000
7Frank Mir25 years, 26 daysHeavyweightJun 19, 2004Oct 7, 2005
8Ricco Rodriguez25 years, 39 daysHeavyweightSep 27, 2002Feb 28, 2003
9BJ Penn25 years, 49 daysWelterweightJan 31, 2004Oct 22, 2004
10Tito Ortiz25 years, 82 daysLight HeavyweightApr 14, 2000Sep 26, 2003
11Rose Namajunas25 years, 128 daysWomen's StrawweightNov 4, 2017May 11, 2019
12Cody Garbrandt25 years, 176 daysBantamweightDec 30, 2016Nov 4, 2017
13Max Holloway25 years, 181 daysFeatherweightJun 3, 2017Dec 14, 2019
14Georges St-Pierre25 years, 183 daysWelterweightNov 18, 2006Apr 7, 2007
15Ronda Rousey26 years, 22 daysWomen's BantamweightFeb 23, 2013Nov 14, 2015
16Demetrious Johnson26 years, 40 daysFlyweightSep 22, 2012Aug 4, 2018
17Jens Pulver26 years, 79 daysLightweightFeb 23, 2001Feb 28, 2003
18Dominick Cruz26 years, 115 daysBantamweightJul 2, 2011Feb 1, 2014
19Anthony Pettis26 years, 216 daysLightweightAug 31, 2013Mar 14, 2015
20Andrei Arlovski26 years, 245 daysHeavyweightOct 7, 2005Apr 15, 2006
21Vitor Belfort26 years, 305 daysLight HeavyweightJan 31, 2004Aug 21, 2004
22Tim Sylvia26 years, 360 daysHeavyweightFeb 28, 2003Jun 19, 2004
23Renan Barao27 years, 1 dayBantamweightFeb 1, 2014May 24, 2014
24Ilia Topuria27 years, 27 daysFeatherweightFeb 17, 2024Apr 12, 2025
25Dave Menne27 years, 61 daysMiddleweightSep 28, 2001Jan 11, 2002
26Carla Esparza27 years, 63 daysWomen's StrawweightDec 12, 2014Mar 14, 2015
=27Conor McGregor27 years, 151 daysFeatherweightDec 12, 2015Jun 3, 2017
=27Petr Yan27 years, 151 daysBantamweightJul 11, 2020Mar 6, 2021
29Brandon Moreno27 years, 187 daysFlyweightJun 12, 2021Jan 22, 2022
30Joanna Jedrzejczyk27 years, 208 daysWomen's StrawweightMar 14, 2015Nov 4, 2017
31Jessica Andrade27 years, 228 daysWomen's StrawweightMay 11, 2019Aug 31, 2019
32Junior Dos Santos27 years, 286 daysHeavyweightNov 12, 2011Dec 29, 2012
33Matt Hughes28 years, 20 daysWelterweightNov 2, 2001Jan 31, 2004
34Amanda Nunes28 years, 40 daysWomen's BantamweightJul 9, 2016Dec 11, 2021
35Cain Velasquez28 years, 87 daysHeavyweightOct 23, 2010Nov 12, 2011
=36Kevin Randleman28 years, 101 daysHeavyweightNov 19, 1999Nov 17, 2000
=36Benson Henderson28 years, 101 daysLightweightFeb 25, 2012Aug 31, 2013
38TJ Dillashaw28 years, 106 daysBantamweightMay 24, 2014Jan 17, 2016
39Mauricio Rua28 years, 164 daysLight HeavyweightMay 8, 2010Mar 19, 2011
40Frankie Edgar28 years, 176 daysLightweightApr 10, 2010Feb 25, 2012
41Jack Della Maddalena28 years, 242 daysWelterweightMay 10, 2025Nov 15, 2025
42Sean O'Malley28 years, 299 daysBantamweightAug 19, 2023Sep 14, 2024
43Quinton Jackson28 years, 340 daysLight HeavyweightMay 26, 2007Jul 5, 2008
44Nicco Montano28 years, 350 daysWomen's FlyweightDec 1, 2017Dec 8, 2018
45Chris Weidman29 years, 19 daysMiddleweightJul 6, 2013Dec 12, 2015
46Rashad Evans29 years, 93 daysLight HeavyweightDec 27, 2008May 23, 2009
47Forrest Griffin29 years, 111 daysLight HeavyweightJul 5, 2008Dec 27, 2008
48Khabib Nurmagomedov29 years, 199 daysLightweightApr 7, 2018May 15, 2021
49Miesha Tate29 years, 200 daysWomen's BantamweightMar 5, 2016Jul 9, 2016
50Alexa Grasso29 years, 207 daysWomen's FlyweightMar 4, 2023Sep 14, 2024

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