Which leagues book most?
Yellow cards per match — a rough measure of how tightly a league is refereed.
Serie C (Brasil) books more than anyone: 6,33 yellow cards a match.
| League | Bookings per match | Matches |
|---|---|---|
| 1. Serie C Brasil | 6.33 | 215 |
| 2. Venezuelan Primera División Venezuela | 6.27 | 222 |
| 3. Primera B Cile | 5.97 | 251 |
| 4. Liga Pro Ekuador | 5.91 | 242 |
| 5. Liga Nacional Guatemala | 5.87 | 213 |
| 6. II Liga - East Polandia | 5.81 | 302 |
| 7. Liga Panameña de Fútbol Panama | 5.81 | 202 |
| 8. Divisi Utama Uruguay Uruguay | 5.81 | 175 |
| 9. First League Makedonia Utara | 5.81 | 190 |
| 10. Primera División Bolivia | 5.69 | 265 |
| 11. Liga Super Yunani Yunani | 5.53 | 237 |
| 12. Liga Nacional Honduras | 5.52 | 197 |
| 13. Categoría Primera A Kolombia | 5.47 | 448 |
| 14. Primera División Peru | 5.4 | 333 |
| 15. Serie A Brasil | 5.39 | 378 |
| 16. Serie B Brasil | 5.36 | 380 |
| 17. Primera B Kolombia | 5.33 | 301 |
| 18. Serie C - Girone C Italia | 5.28 | 379 |
| 19. Second League Bulgaria | 5.24 | 301 |
| 20. Liga 3 Portugal | 5.22 | 289 |
| 21. USL League One Amerika Serikat | 5.22 | 195 |
| 22. Seri B Italia | 5.21 | 387 |
| 23. Primera B Nacional Argentina | 5.19 | 662 |
| 24. Chilean Primera División Cile | 5.15 | 240 |
| 25. Primeira Liga Portugal | 5.14 | 303 |
| 26. Segunda División Peru | 5.12 | 168 |
| 27. LigaPro Portugal | 5.12 | 303 |
| 28. Liga de Expansión MX Meksiko | 5.12 | 242 |
| 29. First Division Irlandia | 5.11 | 184 |
| 30. First League Bulgaria | 5.11 | 282 |
| 31. Liga 2 Indonesia | 5.09 | 255 |
| 32. Serie C - Girone B Italia | 5.08 | 378 |
| 33. Primera División RFEF - Group 2 Spanyol | 5.06 | 377 |
| 34. I Liga Polandia | 5.05 | 305 |
| 35. Liga Pemuda UEFA Internasional | 5.03 | 164 |
| 36. 2. Liga (Austria) Austria | 5.02 | 238 |
| 37. USL Championship Amerika Serikat | 5.02 | 420 |
| 38. Liga 2 Ceko Ceko | 5 | 237 |
| 39. Liga Super Indonesia | 4.97 | 313 |
| 40. Liga Umaglesi Georgia | 4.93 | 177 |
Showing every competition. Major competitions only
Counted from match events, so a league appears only once its matches carry recorded cards.