Figure 3. Number of Criminal Aliens and U.S. Citizens Incarcerated in Federal Prisons from Fiscal Years 2005 through 2010. Source: Government Accounting Office (March 2011): Figure 1: Number of criminal aliens and U.S. citizens incarcerated in federal prisons from fiscal years 2005 through 2010.

Source: Report to Congressional Requesters: Criminal Alien Statistics: Information on Incarcerations, Arrests, and Costs. GAO-11-187. GAO analysis of BOP data.