United States incarceration rate

In October 2013, the incarceration rate of the United States of America was the highest in the world, at 716 per 100,000 of the national population. While the United States represents about 4.4 percent of the world's population, it houses around 22 percent of the world's prisoners. Corrections (which includes prisons, jails, probation, and parole) cost around $74 billion in 2007 according to the U.S. Bureau of Justice Statistics.

In 2016, the Prison Policy Initiative estimated that in the United States that about 2,298,300 people were incarcerated in the United States, of which about 1,351,000 people were in state prison, 646,000 in local jails, 211,000 in federal prisons, 34,000 in youth correctional facilities, 33,000 in immigration detention camps, 14,000 in territorial prisons, 5,500 in civil commitment, 2,400 in Indian country jails, and 1,400 in United States military prisons.

Total U.S. incarceration (prisons and jails) peaked in 2008. Total correctional population peaked in 2007. If all prisoners are counted (including those juvenile, territorial, U.S. Immigration and Customs Enforcement (ICE) (immigration detention), Indian country, and military), then in 2008 the United States had around 24.7% of the world's 9.8 million prisoners.

The United States has the highest documented incarceration rate in the world, at 754 per 100,000 (as of 2009^[update]). As of December 31, 2010, the International Centre for Prison Studies (ICPS) at King's College London estimated 2,266,832 prisoners from a total population of 310.64 million as of this date (730 per 100,000 in 2010).

This number comprises local jails with a nominal capacity of 866,782 inmates occupied at 86.4% (June 6, 2010), state prisons with a nominal capacity of approximately 1,140,500 occupied at approximately 115% (December 31, 2010), and federal prisons with a nominal capacity of 126,863 occupied at 136.0% (December 31, 2010). Of this number, 21.5% are pretrial detainees (December 31, 2010), 8.7% are female prisoners (December 31, 2010), 0.4% are juveniles (June 6, 2009), and 5.9% are foreign prisoners (June 30, 2007).

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