Provenance
Data Sources
Every figure used in OpenStats rankings and topic readings traces back to a named federal, provincial, or municipal source listed below. See the methodology page for how these sources are ingested, normalized, and tiered.
Building permits
Statistics Canada
Monthly residential and non-residential permit value and new housing units, by census metropolitan area
City of Calgary
Supplementary municipal-level permit records for Calgary
Property tax
Province of Nova Scotia
Municipal residential mill rates for Nova Scotia municipalities
Ontario Ministry of Municipal Affairs and Housing
Municipal and education tax rates for Ontario municipalities
Statistics Canada
Supplementary assessment context (Toronto and Vancouver only; not a general mill-rate source)
Indoor radon
Health Canada
Long-term indoor radon test results aggregated by geography
Health Canada
Guideline threshold and remediation guidance referenced on risk category pages
Drinking water quality
City of Calgary
Hardness, pH, and treatment parameter reporting for Calgary
Metro Vancouver / Capital Regional District (Victoria)
Hardness and pH reporting for Vancouver and Victoria
City of Ottawa, City of Winnipeg, Halifax Water, City of Regina, City of Saskatoon
Hardness and pH reporting for additional municipalities; advisory context via ECCC
Broadband internet
Innovation, Science and Economic Development Canada (ISED)
Hex-level and community-point service availability, speed tiers, and provider counts
Natural hazards
Natural Resources Canada
Active fire hotspots, fire weather indices, and historical burn perimeter data
Natural Resources Canada
Seismic hazard values underlying National Building Code seismic design levels
Environment and Climate Change Canada / provincial health authorities
Active boil-water and other advisory flags shown on water quality pages
See also: Methodology · Guides