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.
Major League Soccer (United States) is the youngest of the lot — average age: 27.83.
| League | Average age | Player-seasons |
|---|---|---|
| 1. Major League Soccer United States | 27.83 | 36,500 |
| 2. J1 League Japan | 27.61 | 40,900 |
| 3. Copa America International | 27.56 | 7,500 |
| 4. CONCACAF Champions League International | 27.46 | 14,200 |
| 5. Süper Lig Türkiye | 27.41 | 39,100 |
| 6. AFC Champions League Elite International | 27.33 | 86,200 |
| 7. La Liga Spain | 27.1 | 42,500 |
| 8. Super League China | 27.07 | 38,900 |
| 9. Ligue 1 France | 27.02 | 23,800 |
| 10. CONMEBOL Libertadores International | 26.96 | 66,100 |
| 11. UEFA Champions League International | 26.91 | 112,300 |
| 12. Pro League Saudi Arabia | 26.9 | 40,800 |
| 13. Serie A Brazil | 26.77 | 52,700 |
| 14. UEFA Europa League International | 26.75 | 300,200 |
| 15. CONMEBOL Sudamericana International | 26.72 | 69,000 |
| 16. Ligue 2 France | 26.65 | 23,800 |
| 17. Premier League England | 26.59 | 35,600 |
| 18. Segunda División Spain | 26.56 | 51,900 |
| 19. K League 1 South Korea | 26.51 | 32,200 |
| 20. Serie A Italy | 26.48 | 43,600 |
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.