This statistic shows number of incarcerated persons in the United States in 2018, by institution type. In 2018, there were around **** million people incarcerated in state prisons across the United States.
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Prison Policy Initiative. (March 24, 2020). Number of incarcerated persons in the United States in 2018, by institution type [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 01, 2026, from /statistics/816572/number-of-incarcerated-persons-in-the-us-by-institution/
Prison Policy Initiative. "Number of incarcerated persons in the United States in 2018, by institution type." Chart. March 24, 2020. ÌÇÐÄÆƽâ°æ. Accessed August 01, 2026. /statistics/816572/number-of-incarcerated-persons-in-the-us-by-institution/
Prison Policy Initiative. (2020). Number of incarcerated persons in the United States in 2018, by institution type. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 01, 2026. /statistics/816572/number-of-incarcerated-persons-in-the-us-by-institution/
Prison Policy Initiative. "Number of Incarcerated Persons in The United States in 2018, by Institution Type." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 24 Mar 2020, /statistics/816572/number-of-incarcerated-persons-in-the-us-by-institution/
Prison Policy Initiative, Number of incarcerated persons in the United States in 2018, by institution type ÌÇÐÄÆƽâ°æ, /statistics/816572/number-of-incarcerated-persons-in-the-us-by-institution/ (last visited August 01, 2026)
Number of incarcerated persons in the United States in 2018, by institution type [Graph], Prison Policy Initiative, March 24, 2020. [Online]. Available: /statistics/816572/number-of-incarcerated-persons-in-the-us-by-institution/
