The Blues of 2007 seemed like a young team, but the 2008 Blues would be confirmed as the youngest list in the competition.
NB Average Ages taken at December 2007
| Team | Average Age | |
| Carlton | 44 | 22 years, 146 days |
| West Coast | 45 | 22 years, 167 days |
| Hawthorn | 44 | 22 years, 220 days |
| Brisbane | 47 | 22 years, 243 days |
| Port Adelaide | 44 | 22 years, 340 days |
| Essendon | 44 | 22 years, 351 days |
| Richmond | 44 | 23 years, 11 days |
| Melbourne | 44 | 23 years, 50 days |
| Collingwood | 44 | 23 years, 56 days |
| Western Bulldogs | 44 | 23 years, 73 days |
| Geelong | 44 | 23 years, 91 days |
| Kangaroos | 45 | 23 years, 99 days |
| Adelaide | 44 | 23 years, 124 days |
| Sydney | 47 | 23 years, 301 days |
| St Kilda | 45 | 24 years, 1 day |
| Fremantle | 44 | 24 years, 149 days |
| Overall | 713 | 23 years, 60 days |
NB Average Ages taken at December 2007