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.
Coppa Libertadores (Internazionale) is the youngest of the lot: 28,67 years on average.
| League | Average age | Player-seasons |
|---|---|---|
| 1. Coppa Libertadores Internazionale | 28.67 | 92.200 |
| 2. Super League Cina | 28.32 | 39.800 |
| 3. J1 League Giappone | 28.26 | 50.800 |
| 4. Lega saudita professionistica Arabia Saudita | 28 | 32.200 |
| 5. Coppa Sudamericana Internazionale | 27.96 | 104.500 |
| 6. Campionato greco di calcio Grecia | 27.94 | 24.800 |
| 7. Serie A Brasile | 27.92 | 56.500 |
| 8. K League 1 Corea del Sud | 27.9 | 31.700 |
| 9. CONCACAF Champions League Internazionale | 27.28 | 31.700 |
| 10. Liga I Romania | 27.2 | 17.800 |
| 11. Liga Profesional Argentina Argentina | 27.18 | 80.500 |
| 12. campionato mondiale di calcio Internazionale | 26.96 | 6900 |
| 13. Süper Lig Turchia | 26.95 | 36.300 |
| 14. UEFA Champions League Internazionale | 26.93 | 56.600 |
| 15. Ekstraklasa Polonia | 26.7 | 36.800 |
| 16. Primera División de México Messico | 26.7 | 38.400 |
| 17. Super Liga Serbia | 26.68 | 25.300 |
| 18. LaLiga Spagnola Spagna | 26.49 | 39.600 |
| 19. UEFA Conference League Internazionale | 26.49 | 99.600 |
| 20. Segunda División Spagna | 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.