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 (Peru) is the youngest of the lot: 28.81 years on average.
| League | Average age | Player-seasons |
|---|---|---|
| 1. Primera División Peru | 28.81 | 43,900 |
| 2. Carioca - 1 Brazil | 28.67 | 16,600 |
| 3. CONMEBOL Libertadores International | 28.67 | 92,200 |
| 4. Paulista - A1 Brazil | 28.6 | 28,700 |
| 5. Primera División Bolivia | 28.56 | 38,100 |
| 6. Copa Do Brasil Brazil | 28.55 | 77,700 |
| 7. Premier Soccer League South Africa | 28.33 | 22,700 |
| 8. Super League China | 28.32 | 39,800 |
| 9. J1 League Japan | 28.26 | 50,800 |
| 10. Premier League Egypt | 28.23 | 28,100 |
| 11. Primera A Colombia | 28.22 | 48,500 |
| 12. Serie B Brazil | 28.17 | 53,700 |
| 13. Stars League Qatar | 28.12 | 17,000 |
| 14. World Cup - Qualification Asia International | 28.09 | 5,600 |
| 15. Pro League Saudi Arabia | 28 | 32,200 |
| 16. CONMEBOL Sudamericana International | 27.96 | 104,500 |
| 17. World Cup - Qualification CONCACAF International | 27.96 | 9,300 |
| 18. Super League 1 Greece | 27.94 | 24,800 |
| 19. Serie A Brazil | 27.92 | 56,500 |
| 20. K League 1 South Korea | 27.9 | 31,700 |
| 21. Division Profesional - Clausura Paraguay | 27.72 | 31,100 |
| 22. Liga Pro Ecuador | 27.61 | 37,900 |
| 23. Primera División Chile | 27.59 | 39,900 |
| 24. NWSL Women United States | 27.54 | 26,600 |
| 25. 1. Lig Türkiye | 27.5 | 38,600 |
| 26. CONCACAF Champions League International | 27.28 | 31,700 |
| 27. Liga I Romania | 27.2 | 17,800 |
| 28. Liga Profesional Argentina Argentina | 27.18 | 80,500 |
| 29. World Cup International | 26.96 | 6,900 |
| 30. Süper Lig Türkiye | 26.95 | 36,300 |
| 31. UEFA Champions League International | 26.93 | 56,600 |
| 32. NB I Hungary | 26.77 | 22,300 |
| 33. Friendlies International | 26.74 | 11,900 |
| 34. Leagues Cup International | 26.73 | 67,800 |
| 35. Ligat Ha'al Israel | 26.72 | 22,100 |
| 36. Ekstraklasa Poland | 26.7 | 36,800 |
| 37. Liga MX Mexico | 26.7 | 38,400 |
| 38. Super Liga Serbia | 26.68 | 25,300 |
| 39. Pro League United Arab Emirates | 26.5 | 23,600 |
| 40. La Liga Spain | 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.