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.
Copa America (International) is the youngest of the lot — average age: 27.82.
| League | Average age | Player-seasons |
|---|---|---|
| 1. Copa America International | 27.82 | 55,100 |
| 2. J1 League Japan | 27.65 | 708,500 |
| 3. AFC Champions League Elite International | 27.62 | 835,800 |
| 4. CONMEBOL Libertadores International | 27.56 | 651,100 |
| 5. Super League China | 27.49 | 426,500 |
| 6. World Cup International | 27.47 | 131,500 |
| 7. CONMEBOL Sudamericana International | 27.26 | 745,000 |
| 8. CONCACAF Champions League International | 27.18 | 218,800 |
| 9. Major League Soccer United States | 27.13 | 634,700 |
| 10. UEFA Europa Conference League International | 27.1 | 1,069,000 |
| 11. Euro Championship International | 27.07 | 119,400 |
| 12. K League 1 South Korea | 26.91 | 333,600 |
| 13. Pro League Saudi Arabia | 26.91 | 440,800 |
| 14. Süper Lig Türkiye | 26.78 | 659,700 |
| 15. UEFA Champions League International | 26.78 | 1,698,700 |
| 16. UEFA Nations League International | 26.69 | 305,200 |
| 17. Premier League England | 26.66 | 561,500 |
| 18. Serie A Italy | 26.52 | 634,900 |
| 19. UEFA Europa League International | 26.47 | 2,378,200 |
| 20. La Liga Spain | 26.46 | 722,900 |
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.