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.
Primera División (Perù) is the youngest of the lot: 28,81 years on average.
| League | Average age | Player-seasons |
|---|---|---|
| 1. Primera División Perù | 28.81 | 43.900 |
| 2. Carioca - 1 Brasile | 28.67 | 16.600 |
| 3. Coppa Libertadores Internazionale | 28.67 | 92.200 |
| 4. Paulista - A1 Brasile | 28.6 | 28.700 |
| 5. Primera División Bolivia | 28.56 | 38.100 |
| 6. Copa Do Brasil Brasile | 28.55 | 77.700 |
| 7. Premier Soccer League Sudafrica | 28.33 | 22.700 |
| 8. Super League Cina | 28.32 | 39.800 |
| 9. J1 League Giappone | 28.26 | 50.800 |
| 10. Campionato egiziano di calcio Egitto | 28.23 | 28.100 |
| 11. Categoría Primera A Colombia | 28.22 | 48.500 |
| 12. Serie B Brasile | 28.17 | 53.700 |
| 13. Qatar Stars League Qatar | 28.12 | 17.000 |
| 14. World Cup - Qualification Asia Internazionale | 28.09 | 5600 |
| 15. Lega saudita professionistica Arabia Saudita | 28 | 32.200 |
| 16. Coppa Sudamericana Internazionale | 27.96 | 104.500 |
| 17. World Cup - Qualification CONCACAF Internazionale | 27.96 | 9300 |
| 18. Campionato greco di calcio Grecia | 27.94 | 24.800 |
| 19. Serie A Brasile | 27.92 | 56.500 |
| 20. K League 1 Corea del Sud | 27.9 | 31.700 |
| 21. Division Profesional - Clausura Paraguay | 27.72 | 31.100 |
| 22. Liga Pro Ecuador | 27.61 | 37.900 |
| 23. Primera División Cile | 27.59 | 39.900 |
| 24. NWSL Women Stati Uniti | 27.54 | 26.600 |
| 25. TFF 1. Lig Turchia | 27.5 | 38.600 |
| 26. CONCACAF Champions League Internazionale | 27.28 | 31.700 |
| 27. Liga I Romania | 27.2 | 17.800 |
| 28. Liga Profesional Argentina Argentina | 27.18 | 80.500 |
| 29. campionato mondiale di calcio Internazionale | 26.96 | 6900 |
| 30. Süper Lig Turchia | 26.95 | 36.300 |
| 31. UEFA Champions League Internazionale | 26.93 | 56.600 |
| 32. Női Nemzeti Bajnokság I Ungheria | 26.77 | 22.300 |
| 33. Friendlies Internazionale | 26.74 | 11.900 |
| 34. Leagues Cup Internazionale | 26.73 | 67.800 |
| 35. Ligat ha'Al Israele | 26.72 | 22.100 |
| 36. Ekstraklasa Polonia | 26.7 | 36.800 |
| 37. Primera División de México Messico | 26.7 | 38.400 |
| 38. Super Liga Serbia | 26.68 | 25.300 |
| 39. UAE Football League Emirati Arabi Uniti | 26.5 | 23.600 |
| 40. LaLiga Spagnola Spagna | 26.49 | 39.600 |
Showing every competition. Major competitions only
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.