Where do matches end goalless most?

Share of matches that finish 0:0. Across the majors it is 7.3%.

Premier League (Libya) ends goalless most often: 20.1% of its matches finish 0:0.

Where do matches end goalless most?
League	Goalless	Matches
1. Premier League Libya	20.1%	194
2. Première Division Mali	20%	240
3. Azadegan League Iran	19.6%	280
4. Ligue 1 Senegal	19.2%	182
5. Ligue 1 Burkina Faso	19.2%	240
6. Persian Gulf Pro League Iran	17.9%	240
7. GFA League Gambia	17.9%	240
8. Botola 2 Morocco	17.5%	240
9. Super League Zambia	17.3%	306
10. Premier League Egypt	17%	306
11. Segunda División RFEF - Group 5 Spain	16.7%	306
12. Premier League Syria	16%	119
13. Championnat National Benin	15.9%	580
14. Tercera División RFEF - Group 6 Spain	15.4%	240
15. Professional League Oman	15.4%	182
16. Tercera División RFEF - Group 18 Spain	15.3%	242
17. Paulista - A2 Brazil	15%	133
18. Segunda División Spain	14.7%	468
19. Liga Panameña de Fútbol Panama	14.7%	204
20. Premier League Jamaica	14.7%	191
21. 3. Lig - Group 2 Türkiye	14.6%	260
22. Primera Nacional Argentina	14.4%	680
23. First League Russia	14.4%	306
24. Ligue 1 Congo - Kinshasa	14.3%	182
25. Gamma Ethniki - Group 5 Greece	14.3%	182
26. Botola Pro Morocco	14.2%	240
27. Primera División Venezuela	14.1%	276
28. Primera División RFEF - Group 2 Spain	13.9%	380
29. Liga Pro Serie B Ecuador	13.9%	180
30. Segunda División Venezuela	13.9%	209
31. Segunda División RFEF - Group 3 Spain	13.7%	306
32. Gaúcho - 2 Brazil	13.7%	124
33. Iraqi League Iraq	13.7%	380
34. 3. Lig - Group 3 Türkiye	13.5%	281
35. Serie D - Girone F Italy	13.4%	306
36. Premier League Uganda	13.3%	210
37. Torneo Federal A Argentina	13.1%	556
38. NISA United States	13%	108
39. Ligue 1 Algeria	12.9%	240
40. K3 League South Korea	12.9%	240

Showing every competition. Major competitions only

League play only, for the same reason as the scoring rate above.