International Database The U.S. Census Bureau conducts demographic, economic, and geographic studies of other countries.
U.N. Population Information Network A guide to population information on UN system web sites
World Bank World Development Indicators The primary World Bank collection of development indicators, compiled from officially-recognized international sources. It presents the most current and accurate global development data available, and includes national, regional and global estimates.
Eurostat Eurostat is the statistical office of the European Union