Sponsored by the National Institute on Aging, and the Social Security Admin, this longitudinal study of 20,000 aging individuals makes some of the data from the study available to the public.
From the Bureau of Justice Statistics (BJS), provides statistics from the National Prisoner Statistics survey and the National Corrections Reporting Program. Includes info on U.S. prison populations from 1978 - present, with a 2-year lag in data availability.