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 Regionalliga - Mitte (Austria): it holds 86.9% of the time.

Does a half-time lead hold?
League	Lead held	Matches led
1. Regionalliga - Mitte Austria	86.9%	130
2. Meistriliiga Estonia	86.6%	119
3. Serie C Brazil	85.8%	113
4. Football League Greece	84.1%	220
5. Erovnuli Liga 2 Georgia	83.3%	221
6. Persha Liga Ukraine	82%	111
7. Premier League Kuwait	81%	100
8. Super League Uzbekistan	80.9%	115
9. La Liga Spain	80.3%	223
10. Veikkausliiga Finland	79.5%	117
11. Serie A Italy	79.2%	221
12. National League England	78.9%	299
13. Liga Pro Serie B Ecuador	78.9%	123
14. Ligue 1 Algeria	78.8%	113
15. Ligue 1 Tunisia	78.8%	113
16. Regionalliga - Ost Austria	78.2%	133
17. Primeira Liga Portugal	78.1%	137
18. Regionalliga - West Austria	77.9%	145
19. Premier League England	77.9%	231
20. Premier League Wales	77.8%	117
21. Serie B Brazil	77.6%	210
22. Premiership Scotland	77.2%	145
23. Championship Scotland	77%	113
24. Esiliiga A Estonia	76.9%	117
25. Premier League Belarus	76.9%	104
26. Liga Nacional Guatemala	76.6%	154
27. 1. Division Denmark	76%	121
28. Jupiler Pro League Belgium	76%	175
29. Serie A Brazil	76%	183
30. Bundesliga Germany	75.8%	190
31. 2. Liga Austria	75.7%	103
32. 3. Liga Germany	75.7%	218
33. Super League 1 Greece	75.6%	176
34. Ligue 3 France	75.2%	153
35. Primera B Metropolitana Argentina	75.1%	201
36. 1. Lig Türkiye	74.2%	209
37. J1 League Japan	74.1%	158
38. Süper Lig Türkiye	73.9%	153
39. Torneo Federal A Argentina	73.8%	202
40. Thai League 1 Thailand	73.5%	136

Showing every competition. Major competitions only

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