Which leagues book most?
Yellow cards per match — a rough measure of how tightly a league is refereed.
Primera División (Bolivia) books more than anyone: 5.94 yellow cards a match.
| League | Bookings per match | Matches |
|---|---|---|
| 1. Primera División Bolivia | 5.94 | 181 |
| 2. Premier League Russia | 5.75 | 236 |
| 3. Premier League Ukraine | 5.66 | 176 |
| 4. Primera División Uruguay | 5.61 | 119 |
| 5. Liga Pro Ecuador | 5.56 | 237 |
| 6. Primera A Colombia | 5.53 | 231 |
| 7. First League Russia | 5.48 | 449 |
| 8. Segunda Liga Portugal | 5.46 | 302 |
| 9. Primera División Venezuela | 5.38 | 160 |
| 10. Serie C - Girone C Italy | 5.36 | 335 |
| 11. Primera División Costa Rica | 5.32 | 233 |
| 12. First League Bulgaria | 5.25 | 221 |
| 13. Primera División Peru | 5.22 | 279 |
| 14. Premyer Liqa Azerbaijan | 5.18 | 107 |
| 15. Primera Nacional Argentina | 5.16 | 112 |
| 16. Liga I Romania | 5.14 | 316 |
| 17. Super League 1 Greece | 5.09 | 241 |
| 18. Premijer Liga Bosnia & Herzegovina | 5.08 | 185 |
| 19. 1. Deild Iceland | 5.02 | 114 |
| 20. Liga Profesional Argentina Argentina | 5.01 | 128 |
| 21. First League North Macedonia | 4.99 | 191 |
| 22. Premier League Wales | 4.92 | 192 |
| 23. Primeira Liga Portugal | 4.92 | 305 |
| 24. Serie B Brazil | 4.91 | 373 |
| 25. Serie B Italy | 4.9 | 384 |
| 26. II Liga - East Poland | 4.85 | 327 |
| 27. Úrvalsdeild Iceland | 4.82 | 104 |
| 28. 2. liga Slovakia | 4.8 | 202 |
| 29. Segunda División Spain | 4.8 | 465 |
| 30. Premier League Malta | 4.79 | 183 |
| 31. 1. Division Belarus | 4.79 | 154 |
| 32. Serie C - Girone A Italy | 4.77 | 422 |
| 33. Meistriliiga Estonia | 4.74 | 141 |
| 34. Liga de Expansión MX Mexico | 4.69 | 273 |
| 35. Virsliga Latvia | 4.69 | 131 |
| 36. FNL Czechia | 4.68 | 181 |
| 37. NB I Hungary | 4.68 | 193 |
| 38. Challenger Pro League Belgium | 4.65 | 110 |
| 39. Premier League Belarus | 4.65 | 231 |
| 40. Serie C - Girone B Italy | 4.61 | 375 |
Showing every competition. Major competitions only
Counted from match events, so a league appears only once its matches carry recorded cards.