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: 28.97 years on average.
| League | Average age | Player-seasons |
|---|---|---|
| 1. Super League China | 28.97 | 35,700 |
| 2. CONMEBOL Libertadores International | 28.65 | 78,800 |
| 3. Serie A Brazil | 28.55 | 43,300 |
| 4. CONMEBOL Sudamericana International | 28.26 | 92,200 |
| 5. AFC Champions League Elite International | 28.12 | 50,300 |
| 6. J1 League Japan | 28.01 | 47,300 |
| 7. UEFA Europa Conference League International | 27.87 | 104,300 |
| 8. Super League 1 Greece | 27.87 | 28,100 |
| 9. CONCACAF Champions League International | 27.65 | 39,500 |
| 10. Liga I Romania | 27.63 | 24,500 |
| 11. Major League Soccer United States | 27.62 | 49,400 |
| 12. UEFA Champions League International | 27.56 | 66,000 |
| 13. Pro League Saudi Arabia | 27.54 | 38,800 |
| 14. Premier League England | 27.54 | 22,800 |
| 15. K League 1 South Korea | 27.5 | 31,200 |
| 16. UEFA Europa League International | 27.34 | 52,000 |
| 17. Süper Lig Türkiye | 27.29 | 35,400 |
| 18. Serie A Italy | 27.15 | 32,400 |
| 19. Bundesliga Germany | 27.13 | 26,900 |
| 20. La Liga Spain | 27.11 | 38,400 |
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.