Criminal Justice: Data on Noncitizen Incarcerations, Convictions, Removals, and Costs

What GAO Found The average number of noncitizens incarcerated by the Federal Bureau of Prisons (BOP) each year decreased 44 percent from fiscal year 2017 (approximately 36,300) through fiscal year 2024 (approximately 20,300). This includes noncitizens with lawful immigration status. During this time, noncitizens, as a proportion of all BOP-incarcerated individuals, also decreased.