In 2024, the total number of inmates in Japanese penal institutions amounted to approximately *. The number included inmates who were sentenced to imprisonment, sentenced to death penalty, and awaiting judgment. It also contained defaulters in workhouses, detainees under warrants of arrest or subject to court-ordered confinement, and juveniles temporarily committed for a protective measure.
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Ministry of Justice (Japan). (December 19, 2025). Number of inmate population of penal institutions in Japan from 2015 to 2024 (in 1,000s) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 20, 2026, from /statistics/693961/japan-prison-inmate-number/
Ministry of Justice (Japan). "Number of inmate population of penal institutions in Japan from 2015 to 2024 (in 1,000s)." Chart. December 19, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 20, 2026. /statistics/693961/japan-prison-inmate-number/
Ministry of Justice (Japan). (2025). Number of inmate population of penal institutions in Japan from 2015 to 2024 (in 1,000s). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 20, 2026. /statistics/693961/japan-prison-inmate-number/
Ministry of Justice (Japan). "Number of Inmate Population of Penal Institutions in Japan from 2015 to 2024 (in 1,000s)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 19 Dec 2025, /statistics/693961/japan-prison-inmate-number/
Ministry of Justice (Japan), Number of inmate population of penal institutions in Japan from 2015 to 2024 (in 1,000s) ÌÇÐÄÆƽâ°æ, /statistics/693961/japan-prison-inmate-number/ (last visited July 20, 2026)
Number of inmate population of penal institutions in Japan from 2015 to 2024 (in 1,000s) [Graph], Ministry of Justice (Japan), December 19, 2025. [Online]. Available: /statistics/693961/japan-prison-inmate-number/
