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 (Brazil): it holds 86.8% of the time.

Does a half-time lead hold?
League	Lead held	Matches led
1. Serie D Brazil	86.8%	136
2. Esiliiga A Estonia	86.7%	120
3. 2. liga Slovakia	86.5%	104
4. U19 Bundesliga Germany	85.9%	277
5. Meistriliiga Estonia	85.5%	117
6. 3. Lig - Group 2 Türkiye	84.4%	135
7. Tercera División RFEF - Group 14 Spain	84%	169
8. Tercera División RFEF - Group 16 Spain	83.9%	180
9. Premier Division Ireland	83.6%	110
10. Super League 1 Greece	83.3%	120
11. Premiership Northern Ireland	83.2%	113
12. NB I Hungary	82.9%	123
13. Erovnuli Liga 2 Georgia	82.9%	105
14. Tercera División RFEF - Group 8 Spain	82.7%	168
15. Super Liga Serbia	81.9%	138
16. Second League Bulgaria	81.7%	104
17. I Liga Poland	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. Premier League Kazakhstan	80.8%	125
22. Czech Liga Czechia	80.4%	168
23. Primera B Chile	80.3%	117
24. Allsvenskan Sweden	80.3%	132
25. Ligat Ha'al Israel	80.3%	142
26. NB II Hungary	80%	145
27. UEFA Youth League International	80%	105
28. Segunda Liga Portugal	79.8%	109
29. Primera División Femenina Spain	79.8%	104
30. 2. Lig Türkiye	79.7%	281
31. Tercera División RFEF - Group 11 Spain	79.5%	166
32. Campeonato de Portugal Prio - Group A Portugal	79.4%	131
33. League One China	79.4%	126
34. 1. Division Belarus	79.4%	126
35. Regionalliga - SudWest Germany	79.3%	121
36. Pro League Saudi Arabia	79.3%	145
37. League Two Scotland	79%	100
38. Regionalliga - West Germany	78.7%	127
39. First League Bulgaria	78.6%	117
40. Eredivisie Netherlands	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.