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: 28.73 years on average.
| League | Average age | Player-seasons |
|---|---|---|
| 1. Super League China | 28.73 | 112,600 |
| 2. CONMEBOL Libertadores International | 28.35 | 249,300 |
| 3. Thai League 1 Thailand | 28.33 | 79,200 |
| 4. Copa Do Brasil Brazil | 28.33 | 298,000 |
| 5. J1 League Japan | 28.29 | 185,500 |
| 6. Copa Verde Brazil | 28.18 | 73,800 |
| 7. Paulista - A1 Brazil | 28.13 | 89,900 |
| 8. FIFA Club World Cup International | 28.12 | 41,500 |
| 9. Primera División Peru | 28.01 | 133,600 |
| 10. Carioca - 1 Brazil | 27.99 | 64,500 |
| 11. AFC Champions League Elite International | 27.98 | 104,600 |
| 12. Serie C Brazil | 27.96 | 76,600 |
| 13. AFC Champions League Two International | 27.95 | 114,000 |
| 14. CONMEBOL Sudamericana International | 27.95 | 287,400 |
| 15. Copa do Nordeste Brazil | 27.95 | 93,200 |
| 16. Liga Nacional Guatemala | 27.87 | 42,900 |
| 17. Serie B Brazil | 27.85 | 148,400 |
| 18. Serie A Brazil | 27.82 | 145,000 |
| 19. Stars League Qatar | 27.77 | 59,400 |
| 20. Baiano - 1 Brazil | 27.72 | 42,200 |
| 21. Division Profesional - Clausura Paraguay | 27.72 | 31,100 |
| 22. Pernambucano - 1 Brazil | 27.71 | 35,000 |
| 23. League Cup Thailand | 27.69 | 51,000 |
| 24. Premier Soccer League South Africa | 27.68 | 96,500 |
| 25. Super League 1 Greece | 27.67 | 83,800 |
| 26. Goiano - 1 Brazil | 27.63 | 56,000 |
| 27. Primera División Bolivia | 27.57 | 117,200 |
| 28. Cup Greece | 27.56 | 33,800 |
| 29. Catarinense - 1 Brazil | 27.49 | 47,200 |
| 30. K League 1 South Korea | 27.48 | 98,600 |
| 31. Premier League Kazakhstan | 27.47 | 51,500 |
| 32. Pro League Saudi Arabia | 27.47 | 111,600 |
| 33. Primera División Chile | 27.46 | 109,600 |
| 34. Super League Malaysia | 27.46 | 32,100 |
| 35. CONCACAF Champions League International | 27.46 | 104,000 |
| 36. Cup South Africa | 27.37 | 37,500 |
| 37. 1. Division Cyprus | 27.3 | 60,200 |
| 38. Friendlies Clubs International | 27.28 | 75,600 |
| 39. Cearense - 1 Brazil | 27.27 | 41,700 |
| 40. FA Cup China | 27.25 | 123,000 |
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.