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 Erovnuli Liga 2 (Georgien): it holds 86,3% of the time.

Does a half-time lead hold?
League	Lead held	Matches led
1. Erovnuli Liga 2 Georgien	86.3%	102
2. Prva Liga Serbien	85.7%	119
3. Umaghlessi Liga Georgien	84.1%	107
4. Super Liga Serbien	83.9%	174
5. Persha Liga Ukraine	83.5%	164
6. Maltese Premier League Malta	83%	106
7. Football League Griechenland	82.9%	140
8. Primera División Spanien	82.8%	221
9. Meistriliiga Estland	82.7%	133
10. Esiliiga Estland	81.9%	127
11. 1st Division Albanien	81.8%	137
12. Liga Pro Serie B Ecuador	81.4%	145
13. Liga Leumit Israel	80.6%	134
14. UEFA Youth League International	80.6%	103
15. Premier League Wales	80.5%	113
16. Liga 1 Rumänien	80.5%	154
17. 3. Lig - Group 2 Türkei	80.4%	168
18. NB II Ungarn	80.2%	111
19. Süper Lig Türkei	79.8%	178
20. Serie A Italien	79.5%	215
21. Super League Griechenland	79.5%	117
22. Championship Schottland	79.4%	107
23. 1. Division Belarus	79.4%	131
24. Liga 1 Indonesien	79.3%	184
25. Liga Profesional Argentina Argentinien	79%	205
26. Primeira Liga Portugal	78.9%	180
27. Superliga Femenina Spanien	78.8%	160
28. EFL League Two Schottland	78.4%	111
29. Ettan - Norra Schweden	78.2%	110
30. TFF 1. Lig Türkei	77.9%	163
31. U19 Bundesliga Deutschland	77.9%	362
32. Tweede Divisie Niederlande	77.9%	190
33. Wyschejschaja Liha Belarus	77.8%	135
34. Second League Bulgarien	77.6%	116
35. USL Championship Vereinigte Staaten	77.4%	283
36. Premiership Schottland	77.4%	137
37. Thai League Thailand	77.3%	181
38. Primera División Venezuela	77.3%	181
39. Premier League England	77.1%	218
40. Serie B Brasilien	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.