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 Pirveli Liga (Georgia): it holds 86,3% of the time.

Does a half-time lead hold?
League	Lead held	Matches led
1. Pirveli Liga Georgia	86.3%	102
2. Prva Liga Serbia	85.7%	119
3. Umaglesi Liga Georgia	84.1%	107
4. Super Liga Serbia	83.9%	174
5. Persha Liga Ucraina	83.5%	164
6. Campionato maltese di calcio Malta	83%	106
7. Football League Grecia	82.9%	140
8. LaLiga Spagnola Spagna	82.8%	221
9. Campionato estone di calcio Estonia	82.7%	133
10. Esiliiga Estonia	81.9%	127
11. 1st Division Albania	81.8%	137
12. Liga Pro Serie B Ecuador	81.4%	145
13. Liga Leumit Israele	80.6%	134
14. UEFA Youth League Internazionale	80.6%	103
15. Premier League Galles	80.5%	113
16. Liga I Romania	80.5%	154
17. 3. Lig - Group 2 Turchia	80.4%	168
18. NB II Ungheria	80.2%	111
19. Süper Lig Turchia	79.8%	178
20. Serie A Italia	79.5%	215
21. Campionato greco di calcio Grecia	79.5%	117
22. Championship Scozia	79.4%	107
23. 1. Division Bielorussia	79.4%	131
24. Campionato di calcio indonesiano Indonesia	79.3%	184
25. Liga Profesional Argentina Argentina	79%	205
26. Liga Portugal Portogallo	78.9%	180
27. Primera División Femenina de España Spagna	78.8%	160
28. Football League Two Scozia	78.4%	111
29. Ettan - Norra Svezia	78.2%	110
30. TFF 1. Lig Turchia	77.9%	163
31. U19 Bundesliga Germania	77.9%	362
32. Tweede Divisie Paesi Bassi	77.9%	190
33. Vysšaja Liha Bielorussia	77.8%	135
34. Second League Bulgaria	77.6%	116
35. USL Championship Stati Uniti	77.4%	283
36. Premiership Scozia	77.4%	137
37. Thai League 1 Thailandia	77.3%	181
38. Primera División Venezuela	77.3%	181
39. Premier League Inghilterra	77.1%	218
40. Serie B Brasile	76.7%	202

Showing every competition. Major competitions only

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