Popular Research Topics
www.census.gov/statab/www - "...contains a collection of statistics on social and economic conditions in the United States. Selected international data are also included. The Abstract is also your Guide to Sources of other data from the Census Bureau, other Federal agencies, and private organizations."
U.S. Bureau of Labor Statistics
www.bls.gov/ - "The Bureau of Labor Statistics (BLS) is the principal fact-finding agency for the Federal Government in the broad field of labor economics and statistics." The Consumer Price Index, the Producer Price Index, and the unemployment rate are found on this site.
U.S. Census Bureau
www.census.gov/ - Current and historical data about the country's people and economy.