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: 5.97 yellow cards a match.
| League | Bookings per match | Matches |
|---|---|---|
| 1. Primera División Bolivia | 5.97 | 1,821 |
| 2. Primera A Colombia | 5.68 | 4,153 |
| 3. Primera División Venezuela | 5.59 | 1,667 |
| 4. Primera División Uruguay | 5.52 | 1,068 |
| 5. First League North Macedonia | 5.36 | 1,215 |
| 6. Segunda Liga Portugal | 5.32 | 2,160 |
| 7. Super League 1 Greece | 5.27 | 2,280 |
| 8. Liga Pro Ecuador | 5.27 | 1,827 |
| 9. Primera B Chile | 5.27 | 1,654 |
| 10. Liga de Expansión MX Mexico | 5.26 | 1,746 |
| 11. Primeira Liga Portugal | 5.2 | 3,370 |
| 12. USL League One United States | 5.16 | 1,046 |
| 13. II Liga - East Poland | 5.13 | 2,013 |
| 14. Primera División Peru | 5.11 | 2,824 |
| 15. Serie C Brazil | 5.1 | 1,013 |
| 16. Primera División Costa Rica | 5.09 | 1,809 |
| 17. Segunda División Spain | 5.09 | 4,643 |
| 18. Liga Profesional Argentina Argentina | 5.08 | 4,446 |
| 19. Liga Nacional Guatemala | 5.06 | 1,413 |
| 20. La Liga Spain | 5.01 | 4,010 |
| 21. First League Bulgaria | 4.99 | 2,057 |
| 22. Segunda División Peru | 4.99 | 814 |
| 23. Primera División Chile | 4.98 | 2,018 |
| 24. Second League Bulgaria | 4.98 | 1,773 |
| 25. Serie C - Girone C Italy | 4.97 | 2,575 |
| 26. Liga Panameña de Fútbol Panama | 4.96 | 870 |
| 27. Serie B Italy | 4.94 | 4,002 |
| 28. Serie A Brazil | 4.92 | 4,195 |
| 29. Primera División RFEF - Group 2 Spain | 4.9 | 2,004 |
| 30. Liga I Romania | 4.85 | 2,852 |
| 31. Division Profesional - Clausura Paraguay | 4.82 | 864 |
| 32. 2. liga Slovakia | 4.82 | 1,383 |
| 33. Serie C - Girone B Italy | 4.82 | 2,523 |
| 34. Primera B Colombia | 4.81 | 1,415 |
| 35. Premier League Ukraine | 4.81 | 1,971 |
| 36. UEFA Youth League International | 4.81 | 990 |
| 37. Challenge League Switzerland | 4.81 | 1,316 |
| 38. Serie B Brazil | 4.8 | 3,557 |
| 39. USL Championship United States | 4.8 | 2,931 |
| 40. Primera Nacional Argentina | 4.8 | 3,922 |
Showing every competition. Major competitions only
Counted from match events, so a league appears only once its matches carry recorded cards.