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: 28.92 years on average.
| League | Average age | Player-seasons |
|---|---|---|
| 1. Super League China | 28.92 | 37,100 |
| 2. Gaúcho - 1 Brazil | 28.85 | 14,400 |
| 3. MLS All-Star United States | 28.68 | 5,600 |
| 4. FA Cup Malaysia | 28.37 | 20,100 |
| 5. Emir Cup Qatar | 28.16 | 7,000 |
| 6. Copa Do Brasil Brazil | 28.14 | 115,300 |
| 7. Thai League 1 Thailand | 27.93 | 41,600 |
| 8. Copa Verde Brazil | 27.91 | 37,800 |
| 9. AFC Champions League Elite International | 27.84 | 54,200 |
| 10. Hazfi Cup Iran | 27.82 | 5,600 |
| 11. J1 League Japan | 27.81 | 43,600 |
| 12. Copa do Nordeste Brazil | 27.8 | 43,600 |
| 13. Premier League Libya | 27.75 | 10,900 |
| 14. Baiano - 1 Brazil | 27.68 | 19,200 |
| 15. League Cup Thailand | 27.67 | 50,900 |
| 16. CONMEBOL Libertadores International | 27.66 | 78,300 |
| 17. Catarinense - 1 Brazil | 27.63 | 21,500 |
| 18. CONMEBOL Sudamericana International | 27.62 | 90,700 |
| 19. AFC Champions League Two International | 27.62 | 64,700 |
| 20. Sergipano Brazil | 27.59 | 17,200 |
| 21. Stars League Qatar | 27.53 | 26,600 |
| 22. 1st Division South Africa | 27.52 | 17,200 |
| 23. Pernambucano - 1 Brazil | 27.51 | 14,000 |
| 24. Olympics Women - Qualification Asia International | 27.5 | 5,800 |
| 25. Paulista - A1 Brazil | 27.5 | 30,100 |
| 26. Super Cup Saudi Arabia | 27.45 | 6,000 |
| 27. Carioca - 1 Brazil | 27.43 | 21,200 |
| 28. Alagoano Brazil | 27.42 | 13,700 |
| 29. Goiano - 1 Brazil | 27.42 | 24,800 |
| 30. Serie C Brazil | 27.41 | 39,000 |
| 31. CONCACAF Champions League International | 27.4 | 32,800 |
| 32. Cup Egypt | 27.39 | 12,000 |
| 33. CONMEBOL Libertadores Femenina International | 27.39 | 5,400 |
| 34. Super League Malaysia | 27.39 | 30,800 |
| 35. QSL Cup Qatar | 27.37 | 11,700 |
| 36. Cup South Africa | 27.35 | 37,100 |
| 37. Coupe Nationale Algeria | 27.34 | 7,900 |
| 38. Premier League Lebanon | 27.34 | 14,400 |
| 39. Primera División Peru | 27.31 | 41,100 |
| 40. Major League Soccer United States | 27.3 | 47,200 |
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.