In 2024, *** case of drug crime involving heroin was reported in Japan. This continued the downward trend that started after a decade-high of ** cases of heroin abuse were reported in the year 2017.
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National Police Agency (Japan). (April 1, 2025). Number of reported drug crime cases involving heroin in Japan from 2015 to 2024 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 31, 2026, from /statistics/1003449/japan-number-cases-heroin-drug-crime/
National Police Agency (Japan). "Number of reported drug crime cases involving heroin in Japan from 2015 to 2024." Chart. April 1, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 31, 2026. /statistics/1003449/japan-number-cases-heroin-drug-crime/
National Police Agency (Japan). (2025). Number of reported drug crime cases involving heroin in Japan from 2015 to 2024. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 31, 2026. /statistics/1003449/japan-number-cases-heroin-drug-crime/
National Police Agency (Japan). "Number of Reported Drug Crime Cases Involving Heroin in Japan from 2015 to 2024." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Apr 2025, /statistics/1003449/japan-number-cases-heroin-drug-crime/
National Police Agency (Japan), Number of reported drug crime cases involving heroin in Japan from 2015 to 2024 ÌÇÐÄÆƽâ°æ, /statistics/1003449/japan-number-cases-heroin-drug-crime/ (last visited July 31, 2026)
Number of reported drug crime cases involving heroin in Japan from 2015 to 2024 [Graph], National Police Agency (Japan), April 1, 2025. [Online]. Available: /statistics/1003449/japan-number-cases-heroin-drug-crime/
