| Title Reign | Successful Defenses | Champion | % Correct |
|---|---|---|---|
| 2023-2025 | 1 | Jon Jones | 100%
|
| 2019-2021 | 1 | Stipe Miocic | 100%
|
| 2016-2018 | 3 | Stipe Miocic | 100%
|
| 2023-2025(Interim) | 1 | Tom Aspinall | 100%
|
| 2018-2019 | 1 | Daniel Cormier | 96%
|
| 2021-2023 | 1 | Francis Ngannou | 96%
|
| 2021-2022(Interim) | - | Ciryl Gane | 88%
|
| 2008-2010 | 2 | Brock Lesnar | 83%
|
| 2012-2015 | 2 | Cain Velasquez | 83%
|
| 2010-2011 | 0 | Cain Velasquez | 83%
|
| 2007-2008 | 1 | Randy Couture | 79%
|
| 2000-2002 | 2 | Randy Couture | 79%
|
| 1997-1998 | 0 | Randy Couture | 79%
|
| 2008-2009(Interim) | - | Frank Mir | 69%
|
| 2004-2005 | 0 | Frank Mir | 69%
|
| 2011-2012 | 1 | Junior dos Santos | 65%
|
| 2025-Present | 0 | Tom Aspinall | 65%
|
| 2015-2016 | 0 | Fabrício Werdum | 54%
|
| 2014-2015(Interim) | - | Fabrício Werdum | 54%
|
| 1999-2000 | 1 | Kevin Randleman | 54%
|
| 2006-2007 | 2 | Tim Sylvia | 48%
|
| 1997-1997 | 0 | Mark Coleman | 48%
|
| 2003-2003 | 1 | Tim Sylvia | 48%
|
| 2005-2006 | 1 | Andrei Arlovski | 44%
|
| 2005-2005(Interim) | 1 | Andrei Arlovski | 44%
|
| 1999-1999 | 0 | Bas Rutten | 40%
|
| 2002-2002 | 0 | Josh Barnett | 40%
|
| 2010-2010(Interim) | - | Shane Carwin | 29%
|
| 2008-2008(Interim) | - | Antônio Rodrigo Nogueira | 27%
|
| 1997-1997 | 1 | Maurice Smith | 27%
|
| 2002-2003 | 0 | Ricco Rodriguez | 25%
|