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 Serie D (Brasil): it holds 86,8% of the time.

Does a half-time lead hold?
League	Lead held	Matches led
1. Serie D Brasil	86.8%	136
2. Esiliiga Estonia	86.7%	120
3. 2. liga Slovakia	86.5%	104
4. U19 Bundesliga Jerman	85.9%	277
5. Meistriliiga Estonia	85.5%	117
6. 3. Lig - Group 2 Turki	84.4%	135
7. Tercera División RFEF - Group 14 Spanyol	84%	169
8. Tercera División RFEF - Group 16 Spanyol	83.9%	180
9. Premier Division Irlandia	83.6%	110
10. Liga Super Yunani Yunani	83.3%	120
11. Liga Utama Inggris Irlandia Utara	83.2%	113
12. NB I Hungaria	82.9%	123
13. Erovnuli Liga 2 Georgia	82.9%	105
14. Tercera División RFEF - Group 8 Spanyol	82.7%	168
15. Super Liga Serbia	81.9%	138
16. Second League Bulgaria	81.7%	104
17. I Liga Polandia	81.7%	180
18. 1st Division Albania	81.6%	125
19. Prva Liga Serbia	81.5%	130
20. Campeonato de Portugal Prio - Group B Portugal	81.3%	112
21. Liga Utama Kazakhstan Kazakhstan	80.8%	125
22. Czech Liga Ceko	80.4%	168
23. Primera B Cile	80.3%	117
24. Allsvenskan Swedia	80.3%	132
25. Ligat ha'Al Israel	80.3%	142
26. NB II Hungaria	80%	145
27. Liga Pemuda UEFA Internasional	80%	105
28. LigaPro Portugal	79.8%	109
29. Divisi Utama Wanita Spanyol	79.8%	104
30. 2. Lig Turki	79.7%	281
31. Tercera División RFEF - Group 11 Spanyol	79.5%	166
32. Campeonato de Portugal Prio - Group A Portugal	79.4%	131
33. 1. Division Belarus	79.4%	126
34. Liga Satu Tiongkok Tiongkok	79.4%	126
35. Regionalliga Sud-Ouest Jerman	79.3%	121
36. Liga Profesional Saudi Arab Saudi	79.3%	145
37. Liga Dua Inggris Skotlandia	79%	100
38. Regionalliga - West Jerman	78.7%	127
39. First League Bulgaria	78.6%	117
40. Eredivisie Belanda	78.6%	154

Showing every competition. Major competitions only

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