Subject
- Provinces26
- States26
- Transportation26
- Islands24
- Grants-in-aid23
- Housing23
- Geoscientific Information22
- Census21
- Census districts21
- Metropolitan areas21
- Air quality management20
- Unincorporated areas20
- Boundary disputes19
- Climatology, Meteorology and Atmosphere19
- Economy19
- Cemeteries18
- Community development18
- Population18
- Water quality management18
- Watersheds18