Bureau of Economic Analysis (BEA) -- U.S. Department of Commerce
Bureau of Labor Statistics (BLS) -- U.S. Department of Labor
Current Population Survey -- Bureau of Labor Statistics/U.S. Census Bureau
Economagic: Economic Time Series Page
Federal Reserve Economic Data (FRED)
Federation of Tax Administrator
Health and Retirement Study (HRS)
Integrated Postsecondary Education Data System (IPEDS), U.S. Department of Education
Journal of Applied Econometrics Data Archive
Macroeconomic Data: A User's Guide -- Federal Reserve Bank of Richmond
Missouri Economic Research and Information Center
National Bureau of Economic Research (NBER) Data
National Center for Health Statistics
National Longitudinal Survey (NLS) Data Files -- Bureau of Labor Statistics
Panel Study of Income Dynamics -- University of Michigan, Ann Arbor
Penn World Tables 6.1 on Purchasing Power Parity and National Income Accounts for 179 Countries
U.S. Economic Data - Federal Bank of Dallas
WebEc - Resources in Economics
White House
Economic Statistics Briefing Room
White House Social
Statistics Briefing Room