From the Bureau of Justice Statistics (BJS) Database: "Prisoners in Federal prison at year-end," 2012.
Data Source: Bureau of Prisons - Extract from BOP's online Sentry System, FY 2012 (as standardized by the FJSRC)
Note: Includes only commitments to Federal prison for Federal law violations; commitments from the District of Columbia Superior Court are excluded. The BOP public-use data files that are available for download include these D.C. Superior Court commitments. The universe of cases reported above is identical to the universe used in the FJSP's annual statistical tables.