In 1994–2000, 43% of UFC fights ended by knockout. In 2020–2026 it is 33%. The high is 49% in 2001–2005; the low 32% in 2013–2019.
| Era | Knockout rate | Knockouts | Fights |
|---|---|---|---|
| 1994–2000 | 43% | 103 | 240 |
| 2001–2005 | 49% | 121 | 248 |
| 2006–2012 | 33% | 542 | 1,619 |
| 2013–2019 | 32% | 1,040 | 3,238 |
| 2020–2026 | 33% | 1,107 | 3,378 |