Sources and licences
Every value on this site comes from a source below with a licence that allows commercial reuse. Each figure links to its dataset, period and method. Every visitor sees the same credits, Premium or not.
In use
| Source | What we use | Licence | In downloads |
|---|---|---|---|
| GeoNamesGeoNames | Global city directory: names, alternate names, coordinates, country and region, population, elevation and time zone.City names, coordinates, population and regions: GeoNames (CC BY 4.0). | CC BY 4.0Reviewed 2026-11-14 | Yes |
| World Bank Open DataThe World Bank | Country-level GDP per capita (nominal and PPP), population, unemployment and inflation. Always labelled as a country figure, never as a city measurement.Country economic indicators: World Bank, World Development Indicators (CC BY 4.0). | CC BY 4.0Reviewed 2026-11-14 | Yes |
| Statistics CanadaStatistics Canada and CMHC | Canadian average rents by metropolitan area (CMHC rental market survey), average retail food prices by province, and gasoline prices by city.Source: Statistics Canada, tables 34-10-0133-01, 18-10-0245-01 and 18-10-0001-01. Reproduced and adapted under the Statistics Canada Open Licence. This does not constitute an endorsement by Statistics Canada of this product. | Statistics Canada Open LicenceReviewed 2026-11-14 | Yes |
| ERA5 reanalysisCopernicus Climate Change Service (C3S) / ECMWF | Monthly temperature and precipitation averages, calculated from the daily history already published on Purr Weather.Climate averages: generated using Copernicus Climate Change Service information (ERA5). Neither the European Commission nor ECMWF is responsible for any use made of this information. | CC BY 4.0Reviewed 2026-11-14 | Yes |
| ExchangeRate-API Open AccessExchangeRate-API | Daily reference exchange rates for showing amounts in the currency you choose. Same provider as Purr Weather.Rates by Exchange Rate API (exchangerate-api.com). | Open Access terms, attribution requiredReviewed 2026-11-14 | Yes |
| ChowChow Labs manual collectionChowChow Labs | Single facts such as a transit agency's published fare, entered by hand with the official page and the date it was read.Collected by ChowChow Labs from the linked official page. | Single facts read by hand from an official page; each value links to that pageReviewed 2026-11-14 | Yes |
Planned
Being reviewed or prepared. None of their data is on the site yet.
- Wikidata (CC0): Universities, local government, officeholders, landmarks and industries.
- U.S. Bureau of Labor Statistics (Public domain (agency-produced data)): U.S. average prices and wages by region and metropolitan area.
- U.S. HUD Fair Market Rents (Public domain (agency-produced data)): U.S. rent benchmarks by metropolitan area.
- USDA food plans (Public domain (agency-created works)): U.S. monthly food budget benchmarks.
- UK Office for National Statistics (Open Government Licence v3.0): U.K. private rents, population and economic statistics.
- NSW Government rental bonds (CC BY 4.0 with exceptions): Rents from lodged rental bonds in New South Wales.
- Singapore HDB (Singapore Open Data Licence): HDB flat rents.
- Japan e-Stat (e-Stat terms of use): Retail prices and local statistics.
- Eurostat (Eurostat reuse policy): European regional statistics.
- Open Prices (Open Food Facts) (ODbL): Crowd-sourced grocery prices. On hold until the share-alike duties for downloads are settled.
- OpenStreetMap (ODbL): Parks, stations and points of interest.
Not used
We don't copy data, text, indices or designs from Numbeo, Expatistan, Livingcost, commercial listing sites. None of their figures are on this site.