Data Sources & Attribution
AffordWhere uses data exclusively from official government statistical agencies and international organizations. We do not use crowdsourced data.
Data Categories
Tax Calculations
Income tax rates, brackets, and social contributions sourced from official government tax authorities. Updated annually when new rates are published.
Rental Prices
Median rental prices from national statistical offices and housing authorities. Automated refresh from official APIs where available.
Cost of Living
Consumer price indices and utility costs from Eurostat, OECD, and national statistical offices. Includes electricity, groceries, and transportation.
Exchange Rates
Daily exchange rates from the European Central Bank. Rates used unmodified as per ECB data usage policy.
Geographic Data
Neighborhood boundaries and city data from municipal open data portals and OpenStreetMap contributors.
Licenses
All data is used under open data licenses that permit 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
Attribution
This application contains public sector information licensed under various open data licenses. Data has been adapted and transformed for salary comparison purposes.
© 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.
Last updated: January 2026