Where do hat-tricks happen?

Matches with a hat-trick, as a share of all matches. Rare everywhere — about one in thirty-seven across the majors.

Premier League (Mongolia) sees them most: a hat-trick in 0.282 of its matches.

Where do hat-tricks happen?
League	Per match	Matches
1. Premier League Mongolia	0.282	124
2. U18 Premier League - South England	0.201	154
3. 3. Division - Girone 2 Norway	0.19	121
4. DBU Pokalen Denmark	0.184	103
5. Cup Slovenia	0.157	115
6. Oberliga - Bremen Germany	0.145	228
7. Cup Czechia	0.13	146
8. Suomen Cup Finland	0.128	109
9. 3. Division - Girone 4 Norway	0.118	119
10. U18 Premier League - North England	0.117	154
11. Cup Slovakia	0.117	120
12. 3. Division - Girone 5 Norway	0.116	121
13. 3. Division - Girone 6 Norway	0.109	119
14. Reserve League Belarus	0.109	175
15. 3. Division - Girone 1 Norway	0.108	120
16. 3. Division - Girone 3 Norway	0.108	111
17. 1. Deild Faroe Islands	0.106	113
18. NM Cupen Norway	0.105	124
19. Kakkonen - Lohko A Finland	0.104	125
20. Football League - Lowland League Scotland	0.103	291
21. UEFA U17 Championship - Qualification International	0.103	117
22. Super League Women Belgium	0.096	104
23. Stars League Qatar	0.096	125
24. 1. Liga Latvia	0.091	165
25. Birinci Dasta Azerbaijan	0.091	121
26. Premier League Hong Kong SAR China	0.088	102
27. 1. Liga Classic - Group 2 Switzerland	0.088	137
28. UEFA Champions League Women International	0.087	127
29. Oberliga - Nordost-Nord Germany	0.083	218
30. C-League Cambodia	0.081	135
31. Esiliiga A Estonia	0.081	172
32. Kansallinen Liiga Finland	0.081	111
33. Professional Development League England	0.08	289
34. Kakkonen - Lohko C Finland	0.079	127
35. Football League - Highland League Scotland	0.078	294
36. Meistaradeildin Faroe Islands	0.078	128
37. Oberliga - Hamburg Germany	0.077	297
38. 1a Divisió Andorra	0.077	130
39. UEFA Nations League - Women International	0.076	157
40. Oberliga - Schleswig-Holstein Germany	0.076	223

Showing every competition. Major competitions only

Three or more goals by one player in one match, own goals excluded. A player is identified by the name on the record, so a league appears only once its events carry scorers.