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 1st Division (Albania): it holds 89.8% of the time.

Does a half-time lead hold?
League	Lead held	Matches led
1. 1st Division Albania	89.8%	127
2. Super League Malawi	86.9%	122
3. Queensland NPL Australia	86.8%	121
4. NPFL Nigeria	86.5%	207
5. Tercera División RFEF - Group 12 Spain	86.1%	151
6. Erovnuli Liga 2 Georgia	85.5%	117
7. U21 League 1 Algeria	84.6%	130
8. Oberliga - Nordost-Nord Germany	84.3%	102
9. UEFA Youth League International	84.2%	114
10. Tercera División RFEF - Group 16 Spain	84.1%	145
11. Second League - Group 1 Russia	84%	169
12. Premiership Northern Ireland	83.9%	137
13. Elitettan Sweden	83.8%	117
14. 3. Lig - Group 3 Türkiye	83.5%	170
15. Oberliga - Mittelrhein Germany	83.5%	103
16. Tercera División RFEF - Group 11 Spain	83.4%	253
17. Second League - Group 4 Russia	83.1%	148
18. NB III - Northwest Hungary	83.1%	219
19. Primera División Femenina Spain	83%	153
20. Ligue 2 Algeria	83%	147
21. Primera División Bolivia	82.9%	152
22. Second League - Group 3 Russia	82.7%	214
23. A Lyga Lithuania	82.7%	104
24. Esiliiga A Estonia	82.6%	109
25. Regionalliga - Tirol Austria	82.5%	103
26. National 3 - Group D France	82.4%	131
27. Second League - Group 2 Russia	82.3%	181
28. Campionato San Marino	82.3%	124
29. National Division Luxembourg	82.1%	151
30. National 3 - Group E France	81.9%	105
31. Liga II Romania	81.9%	149
32. Campionato Primavera - 2 Italy	81.7%	104
33. Ligi kuu Bara Tanzania	81.7%	104
34. National 3 - Group B France	81.7%	104
35. Super League 1 Greece	81.6%	136
36. Ligue 1 Algeria	81.6%	152
37. U18 Premier League - South England	81.5%	135
38. First League North Macedonia	81.4%	102
39. Non League Premier - Southern South England	81.2%	154
40. Premier League Ghana	81.1%	132

Showing every competition. Major competitions only

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