Sources of global open data at national, regional and city levels: links to public databases

This page lists in one place the authoritative sources of freely available, global open data on a wide range of topics - from Agriculture to Urban Development.

Most international country-level data is collected by specialized agencies of the United Nations (such as WHO for health data), and other intergovernmental organizations such as OECD. See especially World Bank Data and UN data which compile data from many different sources.