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AffordWhere

Data sources and attribution

Every figure on AffordWhere comes from official government statistical agencies or international bodies. We do not use crowdsourced cost-of-living averages — see how we tested Numbeo, Expatistan and 5 other tools.

99 audited sources in the registry. Attribution generated July 21, 2026.

Data categories

Tax calculations

45 sources

Income tax rates, brackets, and social contributions pulled from official government tax authorities. We update once a year, when each country publishes its new rates.

Rental prices

46 sources

Median rents from national statistical offices and housing authorities. Where a country publishes an official API, we refresh the data automatically.

Cost of living

5 sources

Consumer price indices and utility costs from Eurostat, OECD, and national statistical offices. Covers electricity, groceries, and transport.

Exchange rates

1 sources

Daily exchange rates from the European Central Bank. Rates are served through our same-origin ECB proxy and used unmodified, per ECB data usage policy.

Geographic data

2 sources

Neighborhood boundaries and city data from municipal open data portals and OpenStreetMap contributors.

Licenses

Every dataset we use is under an open license that permits commercial use:

  • ✓Creative Commons (CC-BY-4.0) — Most EU statistical agencies
  • ✓Open Government Licence (OGL) — UK public sector data
  • ✓Public Domain / CC0 — US government data
  • ✓Open Database License (ODbL) — OpenStreetMap
  • ✓Country-specific open data terms — Japan, Singapore, Hong Kong, Taiwan, Indonesia, and Cyprus public-sector datasets

Attribution

This application contains public sector information licensed under various open data licenses. We've adapted and transformed that data for salary comparison.

© OpenStreetMap contributors for geographic data (ODbL 1.0).

Exchange rates © European Central Bank.

Videos embedded from YouTube. Content © respective YouTube creators. Embedded in accordance with YouTube Terms of Service.

Disclaimer

While we strive for accuracy, all data is provided for informational purposes only. Tax calculations, cost of living estimates, and rental prices are approximations based on publicly available data. Always consult official government sources and qualified professionals before making financial or relocation decisions.

Sources refreshed July 2026 · Estimates reviewed June 2026

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