Which leagues field the youngest players?
Average age of the players who actually appeared, season by season. A young league is usually a selling one.
Super League (China) is the youngest of the lot: 28.73 years on average.
| League | Average age | Player-seasons |
|---|---|---|
| 1. Super League China | 28.73 | 112,600 |
| 2. CONMEBOL Libertadores International | 28.35 | 249,300 |
| 3. J1 League Japan | 28.29 | 185,500 |
| 4. AFC Champions League Elite International | 27.98 | 104,600 |
| 5. CONMEBOL Sudamericana International | 27.95 | 287,400 |
| 6. Serie A Brazil | 27.82 | 145,000 |
| 7. Super League 1 Greece | 27.67 | 83,800 |
| 8. K League 1 South Korea | 27.48 | 98,600 |
| 9. Pro League Saudi Arabia | 27.47 | 111,600 |
| 10. CONCACAF Champions League International | 27.46 | 104,000 |
| 11. UEFA Champions League International | 27.23 | 210,500 |
| 12. UEFA Europa Conference League International | 27.18 | 383,800 |
| 13. Liga I Romania | 27.13 | 74,300 |
| 14. UEFA Europa League International | 27.13 | 148,300 |
| 15. Major League Soccer United States | 26.97 | 168,900 |
| 16. Süper Lig Türkiye | 26.86 | 111,500 |
| 17. La Liga Spain | 26.84 | 115,200 |
| 18. Premier League England | 26.78 | 81,900 |
| 19. Bundesliga Germany | 26.74 | 82,900 |
| 20. Copa del Rey Spain | 26.58 | 208,100 |
Showing the major competitions. Include every competition
Age is taken from the year of birth against the season played, not from the profile — that carries the age today, which for an old season would be a decade out. Only players with an appearance count.