Does a half-time lead hold?

How often the side leading at the break goes on to win, among matches where someone actually led.

A half-time lead is safest in 1. Division (Kazakhstan): it holds 92.1% of the time.

Does a half-time lead hold?
League	Lead held	Matches led
1. 1. Division Kazakhstan	92.1%	126
2. MLS Next Pro United States	87.6%	217
3. 2. Division Cyprus	87.3%	126
4. 1st League - RS Bosnia & Herzegovina	86.9%	175
5. Gamma Ethniki - Group 3 Greece	86.8%	121
6. Druha Liga Ukraine	86.1%	108
7. 1st Division Albania	86.1%	115
8. 1. Liga Latvia	85.5%	124
9. 3. Division - Girone 3 Norway	85.2%	122
10. 3. Division - Girone 6 Norway	85.1%	134
11. Persha Liga Ukraine	85%	120
12. Non League Div One - Isthmian South East England	84.3%	191
13. 2. Frauen Bundesliga Germany	84.3%	108
14. UEFA Youth League International	84.2%	146
15. NB III - Southwest Hungary	84%	144
16. Landesliga - Salzburg Austria	84%	100
17. Liga 3 Georgia	84%	106
18. Gamma Ethniki - Group 1 Greece	83.7%	147
19. Premijer Liga Bosnia & Herzegovina	83.6%	122
20. National Division Luxembourg	83.6%	152
21. NPFL Nigeria	83.5%	218
22. Tweede Divisie Netherlands	83.5%	218
23. 1. Division Denmark	83.5%	109
24. Virsliga Latvia	83.5%	121
25. Gamma Ethniki - Group 4 Greece	83.5%	139
26. 4. liga - Divizie A Czechia	83.4%	151
27. Liga 2 Indonesia	83.1%	166
28. Campeonato de Portugal Prio - Group B Portugal	83%	100
29. 3. Division - Girone 4 Norway	82.9%	123
30. Second League North Macedonia	82.9%	111
31. Second League Bulgaria	82.8%	209
32. Liga Nacional Guatemala	82.8%	116
33. League Two Scotland	82.7%	104
34. C-League Cambodia	82.5%	103
35. Damallsvenskan Sweden	82.5%	120
36. Victoria NPL Australia	82.3%	130
37. Ligi kuu Bara Tanzania	82.2%	129
38. Primera División Chile	82.2%	129
39. Oberliga - Mittelrhein Germany	82.2%	157
40. 1st League - FBiH Bosnia & Herzegovina	82.1%	123

Showing every competition. Major competitions only

Only matches where the sides were not level at the break. A draw counts as the lead lost.