In 1995, 34% of UFC fights ended by knockout. In 2026 it is 38%. The high is 64% in 1996; the low 28% in 2010.
| Year | Knockout rate | Knockouts | Fights |
|---|---|---|---|
| 1995 | 34% | 11 | 32 |
| 1996 | 64% | 23 | 36 |
| 1997 | 32% | 12 | 38 |
| 1999 | 62% | 26 | 42 |
| 2000 | 33% | 14 | 42 |
| 2001 | 44% | 17 | 39 |
| 2002 | 56% | 29 | 52 |
| 2003 | 46% | 18 | 39 |
| 2004 | 46% | 18 | 39 |
| 2005 | 49% | 39 | 79 |
| 2006 | 37% | 59 | 158 |
| 2007 | 31% | 53 | 169 |
| 2008 | 43% | 86 | 201 |
| 2009 | 35% | 75 | 213 |
| 2010 | 28% | 69 | 250 |
| 2011 | 32% | 95 | 295 |
| 2012 | 32% | 105 | 333 |
| 2013 | 35% | 130 | 376 |
| 2014 | 31% | 152 | 494 |
| 2015 | 33% | 155 | 464 |
| 2016 | 32% | 153 | 483 |
| 2017 | 33% | 146 | 446 |
| 2018 | 32% | 151 | 469 |
| 2019 | 30% | 153 | 506 |
| 2020 | 31% | 139 | 444 |
| 2021 | 34% | 171 | 497 |
| 2022 | 34% | 171 | 506 |
| 2023 | 32% | 159 | 504 |
| 2024 | 29% | 147 | 513 |
| 2025 | 33% | 169 | 515 |
| 2026 | 38% | 151 | 399 |