This page lists the World Best Year Performance in the year 2000 in the men's decathlon. The main event during this season were the 2000 Summer Olympics in Sydney, Australia, where the competition started on Wednesday September 27, 2000 and ended on Thursday September 28, 2000.
| Rank | Points | Athlete | Venue | Date | Note | |
|---|---|---|---|---|---|---|
| 1 | 8900 | Götzis, Austria | 04/06/2000 | |||
| 2 | 8757 | Götzis, Austria | 04/06/2000 | |||
| 3 | 8742 | Götzis, Austria | 04/06/2000 | |||
| 4 | 8595 | Sydney, Australia | 28/09/2000 | |||
| 5 | 8574 | Götzis, Austria | 04/06/2000 | PB | ||
| 6 | 8567 | Sydney, Australia | 28/09/2000 | |||
| 7 | 8554 | Götzis, Austria | 04/06/2000 | |||
| 8 | 8531 | Götzis, Austria | 04/06/2000 | |||
| 9 | 8485 | Ratingen, Germany | 23/07/2000 | |||
| 10 | 8467 | Sacramento, United States | 21/07/2000 | |||
| 11 | 8461 | Götzis, Austria | 04/06/2000 | PB | ||
| 12 | 8339 | Desenzano del Garda, Italy | 14/05/2000 | PB | ||
| 13 | 8314 | Arles, France | 04/06/2000 | |||
| 14 | 8253 | Arles, France | 04/06/2000 | |||
| 15 | 8252 | Havana, Cuba | 24/07/2000 | |||
| 16 | 8224 | Lahti, Finland | 20/08/2000 | |||
| 17 | 8209 | Novosibirsk, Russia | 20/08/2000 | |||
| 18 | 8206 | Götzis, Austria | 04/06/2000 | |||
| 19 | 8188 | Lahti, Finland | 20/08/2000 | PB | ||
| 20 | 8178 | Talence, France | 30/07/2000 | |||
| 21 | 8178 | Sydney, Australia | 28/09/2000 | |||
| 22 | 8153 | Götzis, Austria | 04/06/2000 | PB | ||
| 23 | 8149 | Sydney, Australia | 28/09/2000 | PB | ||
| 24 | 8136 | Sydney, Australia | 28/09/2000 | NR | ||
| 25 | 8127 | Wesel, Germany | 03/09/2000 | PB |