Which leagues are decided by a single goal?
Share of matches won by exactly one — the closest football gets to a measure of tension.
2. deild karla (Islanda) is the tightest: 50% of its matches are settled by a single goal.
| League | Won by one | Matches |
|---|---|---|
| 1. 2. deild karla Islanda | 50% | 120 |
| 2. Souper Ligka Ellada 2 Grecia | 49.4% | 162 |
| 3. Primera B Nacional Argentina | 49.2% | 124 |
| 4. Ligue 2 Tunisia | 48.9% | 135 |
| 5. NPFL Nigeria | 48% | 246 |
| 6. Categoría Primera B Colombia | 47.5% | 162 |
| 7. Japan Football League Giappone | 47.5% | 120 |
| 8. Serie B Brasile | 47.1% | 380 |
| 9. Primera División de México Messico | 46.2% | 340 |
| 10. FKF Premier League Kenya | 45.6% | 285 |
| 11. Ligue 2 Algeria | 45.6% | 397 |
| 12. Serie C - Girone A Italia | 45.5% | 426 |
| 13. Persha Liga Ucraina | 45.4% | 240 |
| 14. K League 2 Corea del Sud | 45.3% | 137 |
| 15. Football League Two Inghilterra | 45.2% | 555 |
| 16. 1st Division Albania | 45.2% | 186 |
| 17. Campionato burundese di calcio Burundi | 45% | 240 |
| 18. Thai League 1 Thailandia | 45% | 240 |
| 19. 1st Division Sudafrica | 45% | 240 |
| 20. Bardsragujn chumb Armenia | 44.8% | 116 |
| 21. Azdegan League Iran | 44.8% | 306 |
| 22. J3 League Giappone | 44.8% | 306 |
| 23. Prva Liga Serbia | 44.8% | 306 |
| 24. Division 1 Arabia Saudita | 44.7% | 380 |
| 25. Segunda División Spagna | 44.7% | 468 |
| 26. Botola 2 Marocco | 44.6% | 240 |
| 27. Campionato iraniano di calcio Iran | 44.6% | 240 |
| 28. Football League One Scozia | 44.5% | 119 |
| 29. Premier League Ghana | 44.4% | 306 |
| 30. Liga de Expansión MX Messico | 44.3% | 273 |
| 31. Tercera División RFEF - Group 18 Spagna | 44.1% | 306 |
| 32. Paulista - A2 Brasile | 44% | 134 |
| 33. Primera División Venezuela | 44% | 184 |
| 34. Ligue 1 Algeria | 43.9% | 380 |
| 35. J. League Division 2 Giappone | 43.9% | 462 |
| 36. Liga I Romania | 43.9% | 321 |
| 37. Campionato kazako di calcio Kazakistan | 43.9% | 114 |
| 38. Tercera División RFEF - Group 12 Spagna | 43.8% | 276 |
| 39. Ligue 1 Congo-Brazzaville | 43.8% | 242 |
| 40. Ligi Kuu Bara Tanzania | 43.8% | 306 |
Showing every competition. Major competitions only
League play only. Draws are not counted here — they are their own question.