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 Libertadores (International) is the youngest of the lot: 28,67 years on average.
| League | Average age | Player-seasons |
|---|---|---|
| 1. Copa Libertadores International | 28.67 | 92.200 |
| 2. Super League China | 28.32 | 39.800 |
| 3. J1 League Japan | 28.26 | 50.800 |
| 4. Saudi Professional League Saudi-Arabien | 28 | 32.200 |
| 5. Copa Sudamericana International | 27.96 | 104.500 |
| 6. Super League Griechenland | 27.94 | 24.800 |
| 7. Serie A Brasilien | 27.92 | 56.500 |
| 8. K League 1 Südkorea | 27.9 | 31.700 |
| 9. CONCACAF Champions Cup International | 27.28 | 31.700 |
| 10. Liga 1 Rumänien | 27.2 | 17.800 |
| 11. Liga Profesional Argentina Argentinien | 27.18 | 80.500 |
| 12. Fußball-Weltmeisterschaft International | 26.96 | 6.900 |
| 13. Süper Lig Türkei | 26.95 | 36.300 |
| 14. Champions League International | 26.93 | 56.600 |
| 15. Ekstraklasa Polen | 26.7 | 36.800 |
| 16. Liga MX Mexiko | 26.7 | 38.400 |
| 17. Super Liga Serbien | 26.68 | 25.300 |
| 18. Primera División Spanien | 26.49 | 39.600 |
| 19. UEFA Conference League International | 26.49 | 99.600 |
| 20. Segunda División Spanien | 26.46 | 39.800 |
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.