OSM SQLite Experiment: Frequency of key boundary (elem type r)

These queries show the top frequencies of keys for key (element type )

1 administrative 691,101
2 protected_area 37,473
3 postal_code 27,633
4 local_authority 16,108
5 census 9,886
6 historic 9,004
7 health 6,687
8 political 6,617
9 religious_administration 6,365
10 forest_compartment 5,034
11 place 4,582
12 aboriginal_lands 4,225
13 forestry_compartment 3,962
14 national_park 2,853
15 civil_parish 2,512
16 forest 2,279
17 historic_parish 1,822
18 lot 1,124
19 legal 789
20 registrars_district 769
21 statistical 402
22 cadastral 348
23 municipality 346
24 barony 328
25 neighborhood 328
26 historic:administrative 312
27 civil 295
28 polling_station 280
29 region 269
30 traditional 264
31 neighbourhood 261
32 political_fraction 235
33 rc_parish 210
34 religious 184
35 city_ward 178
36 natural 173
37 land_area 168
38 refugee_camp 168
39 disputed 165
40 police 165
41 judicial 154
42 superintendent_registrars_district 151
43 landuse 147
44 timezone 145
45 forestry 137
46 poor_law_union 135
47 annexation 129
48 environment 127
49 maritime 125
50 geomorphological-unit 117

:-)