Data and Statistics from the US Gov. Current statistical information from all sectors of the United States economy including the census, budget, economic, and other sets. (Was information formerly grouped together in STAT-USA.
GenderStats. Compiles statistics on gender topics at the country level with statistics drawn from a variety of sources. Updated as additional statistics become available.
Historical Statistics of the United States. Fully searchable data tables on population, economics, health, education, etc. throughout U.S. history. Tables may be printed or downloaded into Excel, SAS, or SPSS.
World Development Data. Provides access to some 2,000 economic indicators by country.
Inter-University Consortium for Political and Social Research. Commonly known as ICPSR, the consortium provides access to the world's largest group of data sets. You can download the raw data for research purposes.