About the service
Data sources
Traceable, not guessed
Each supported estimate draws on retained evidence. Expand a result to see source names, dates, scope and fallback use. Official data, community estimates and planning reserves are different concepts, not interchangeable labels.
When a city is available
A city needs manual approval and current readiness. Missing housing, unclear source rights or stale evidence can block publication. Our 100-city acquisition plan is not a list of available comparisons.
Our sources and their limits
Integrations include World Bank, Eurostat, ECB exchange rates and the European Commission Weekly Oil Bulletin. Reviewed transit sources and qualified community estimates may fill specific gaps. Integration alone does not establish permission or a complete budget. See each result for the sources actually used.
City catalog
Geographical data: GeoNames, CC BY 4.0. Names are normalized for search; coordinates are reference points, not boundaries.