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.
King's Cup (Saudi-Arabien) is the youngest of the lot: 30,53 years on average.
| League | Average age | Player-seasons |
|---|---|---|
| 1. King's Cup Saudi-Arabien | 30.53 | 5.900 |
| 2. Balkanpokal Griechenland | 29.58 | 5.200 |
| 3. Staatsmeisterschaft von Pará Brasilien | 29.04 | 9.200 |
| 4. Super League China | 28.97 | 35.700 |
| 5. Liga Nacional Guatemala | 28.97 | 16.300 |
| 6. Gaúcho - 1 Brasilien | 28.81 | 11.400 |
| 7. Thai League Thailand | 28.78 | 37.600 |
| 8. Copa Libertadores International | 28.65 | 78.800 |
| 9. Serie A Brasilien | 28.55 | 43.300 |
| 10. FIFA-Interkontinental-Pokal International | 28.53 | 7.900 |
| 11. Copa Verde Brasilien | 28.46 | 36.000 |
| 12. AFC Cup International | 28.41 | 49.200 |
| 13. Serie C Brasilien | 28.4 | 35.100 |
| 14. Copa Do Brasil Brasilien | 28.38 | 105.000 |
| 15. Paulista - A1 Brasilien | 28.31 | 31.100 |
| 16. Primera División Chile | 28.29 | 31.400 |
| 17. Copa Sudamericana International | 28.26 | 92.200 |
| 18. Primera División Bolivien | 28.21 | 35.900 |
| 19. Staatsmeisterschaft von Alagoas Brasilien | 28.16 | 13.500 |
| 20. Serie B Brasilien | 28.16 | 47.400 |
| 21. 1. Division Zypern | 28.14 | 25.600 |
| 22. Fußball-Weltmeisterschaft International | 28.12 | 41.500 |
| 23. AFC Champions League International | 28.12 | 50.300 |
| 24. Staatsmeisterschaft von Piauí Brasilien | 28.12 | 17.700 |
| 25. UEFA Championship - Women International | 28.08 | 5.000 |
| 26. Premier Soccer League Südafrika | 28.06 | 33.900 |
| 27. J1 League Japan | 28.01 | 47.300 |
| 28. Carioca - 1 Brasilien | 28.01 | 26.700 |
| 29. Copa do Nordeste Brasilien | 28 | 47.800 |
| 30. Primera División Peru | 27.88 | 48.600 |
| 31. CONCACAF Gold Cup - Qualification International | 27.87 | 9.400 |
| 32. UEFA Conference League International | 27.87 | 104.300 |
| 33. Super League Griechenland | 27.87 | 28.100 |
| 34. Cup Kasachstan | 27.81 | 21.300 |
| 35. Qatar Stars League Katar | 27.8 | 15.800 |
| 36. Baiano - 1 Brasilien | 27.78 | 22.300 |
| 37. Pernambucano - 1 Brasilien | 27.77 | 20.100 |
| 38. Goiano - 1 Brasilien | 27.7 | 29.300 |
| 39. Serie D Brasilien | 27.68 | 107.000 |
| 40. Premjer-Liga Kasachstan | 27.68 | 27.700 |
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.