In 2023, 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.

In 2023, there were **** inmates at Japanese penal institutions per 100,000 general population in Japan. This number indicated a steady downward trend over the past ten years.

In 2023, the total number of female inmates in Japanese penal institutions amounted to around ***** people. 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.

In 2022, the total number of male inmates in Japanese penal institutions amounted to approximately ***** thousand. It represents a steady decrease over the past ten years, down from around ***** thousand in 2013.

In 2023, the number of female inmates sentenced to death in Japanese penal institutions amounted to *****. There were no execution during the year.

In 2022, approximately ***** thousand suspects in Japan aged 70 years and older were cleared for Penal Code offenses, representing the age cohort with the highest number of cleared offenders. The age group with the second-highest number that year were offenders between 40 and 49 years, with ***** thousand arrests.

In 2025, there were around *** prisoners per one hundred thousand of the population in Turkmenistan. In contrast, there were about ** prisoners per one hundred thousand of the population in Japan that year.

Metadata and data derived from Kooskia Internment Camp Scrapbook. The Kooskia Internment Camp Scrapbook consists of 148 photographs (and two drawings) which document the lives of Japanese Americans incarcerated during the camp's two years of operation (May 1943 - May 1945). The camp was located in a remote area of north central Idaho, 30 miles from the town of Kooskia and administered by the U.S. Immigration and Naturalization Service (INS) for the U.S. Department of Justice.

Komisarchik, Mayya, Maya Sen, and Yamil Velez. "Replication Data for The Political Consequences of Ethnically Targeted Incarceration: Evidence from Japanese-American Internment During WWII," 2021

In 2023, the number of sentenced female inmates in Japanese penal institutions amounted to 2,917. The majority of which were sentenced to imprisonment without partial suspension of execution.

In 2023, the total number of sentenced male inmates in Japanese penal institutions amounted to approximately 30,970. The majority of which were sentenced to imprisonment without partial suspension of execution.

【リソース】WHITE PAPER ON CRIME 2004 / / PREFACE / NOTES / Outline_1 / Trend in non-traffic penal code offenses excluding theft / Trend in theft / Trend in noteworthy penal code offenses / Outline_2 / Trend in special law offenses / Traffic accidents / Trend in traffic offenses / Treatment of traffic offenders / Trend in drug offenses / Crackdown on drug offenses / Treatment of drug offenders / Taxevasion offenses / Economic offenses / Financial offenses / Bankruptcy-related offenses / Trend in offenses related to elections / Application of the regulation holding a candidate jointly responsible / Overview of high-technology offenses / Measures against high-technology offenses / Trend in firearm offenses / Disposition by public prosecutors and by courts for Firearms and Swords Control Law violations / Trends in organized crime groups / Trends in offenses by organized crime groups / Treatment of organized crime group members / Offenses by Foreign Nationals / Trend of foreign nationals entering Japan / Trend in crimes by foreign nationals / Treatment of foreign offenders(dispositions by public prosecutors) / Treatment of foreign offenders(dispositions by courts) / Correction and rehabilitation of foreign offenders / Offenses by Public Officials / Overview_1 / Bribery and graft / Others / Penal code offenses committedby females / Speciallaw offenses committed by females / Treatment of female offenders / Offensesby Mentally Disabled Persons / Trends in offenses committed by mentally disabled persons,etc. / Type of offense committed by insane or quasi-insane persons and type of mental disability they suffered / The mentally disabled in correctional institutions / Act on Medical Care and Treatment for Insane or Quasi-insane Persons Who Have Caused Serious Injury to Others / Offenses Committed by Offenders with Criminal Histories / Offenses Committed by Adult swith Criminal Histories / Offenses Committed by Juvenile Offenders with Crimina lHistories / Comparison of Crime Trends with Other Countries / Major Offenses / Homicide / Theft / Overseas Travel and Residence of Japanese Nationals / Overseas Offenses Committed by Japanese Nationals / Overseas Offenses against Japanese Nationals / OverviewofTreatment_1 / Overview_2 / Reception of Suspected Cases / Arrest and Detention of Suspects / Dispositions of Public Prosecutors / Court / System for participation of saiban-ins in criminaltrials / Defendants finally judged by trial / Thefirstinstance / Appeals / Death penalty / Imprisonment with labor for life / Imprisonment with or without laborf or al imited term / Fines / Suspended sentence etc. / Detention and Bail / Criminal Compensation / Trials and Sentencing in Cases Involving Aum Shinrikyo Cult Members / Correction of Adult Offenders / Overview of organization / Council on Prison Administration Reform / Convicted inmates in penal institutions / Trend in the average daily number of inmates etc. / Characteristics of newly imprisoned offenders / Reimprisonmentafterrelease / Basic systems for treatment / Prison work / Educational activities / Medical care and hygieneetc. / Security / Grievance systems / Cooperation from volunteers outside / Treatment of Inmates Awaiting Trial / Treatmentin Women's Guidance Homes / Overview_3 / Organizations for rehabilitation services / Volunteer probation officers and their organizations / Juridical persons for offenders rehabilitation services / Nongovernmental support organizations / Overview of parole / Administration of parole / Other measures related to administration of parole / Overview_4 / Trends of probationers and parolees / Treatment measures in supervision / Measures during supervision_1 / Results of supervision / Assistance during supervision,and urgent aftercare of discharged offenders / Halfway houses_1 / Amnesties / Crime Prevention Activities in Rehabilitation Services / International Cooperation in Criminal Justice / United Nations / Summit meetings of leading countries / Other international conferences / Transnational fugitives from Japan / Extradition of fugitive offenders / Assistance in investigation etc. / Judicial assistance / Damage by Crime in Official Statistics / Number of Offenses involving human victims / FatalandBodilyDamage / Property Damage / Victims of Sexual Offenses / Relationship between Victims and Suspects / Outline_3 / Results of the Survey / Concerns about Crime and Crime-preventive Measures / Beliefs on Security in Japan / Criminal proceedings and victims / Compensation for Crime Victims_1 / Compensation for crime victims_2 / Automobile liability insurance systems / Compensation for Damage to Witnesses etc. / Trends and Characteristics of Juvenile Delinquency / Number of juveniles cleared / Trends in age and gender / Trend in type of offense / Number of juveniles referred by the police / Drugoffenses / Traffic offenses / Juvenile Offenders under14years of age / Status Offenses / Delinquency in groups / Education and employment of juvenile delinq

In 2023, ** people received a final judgment of a life sentence in prison at a court in Japan. ** people were sentenced to an indefinite prison term in 2014, the highest number in the last decade.

In 2023, the number of male prisoners sentenced to death in Japanese penal institutions amounted to 99 inmates. There were no execution during the year.

A survey conducted in Japan in December 2023 found that **** percent of men and almost ***** percent of women reported using an illegal drug in their lifetime. Marijuana emerged as the most used substance, with just over *** percent of men and almost *** percent of women having tried it. Following marijuana, inhalants, methamphetamine, and ecstasy were the most common illegal drugs consumed in Japan. Overall, gender disparities in usage patterns are notable, with the men's share of using illegal drugs mostly higher than that of women. Public perception of cannabis and youth involvement While many other countries are moving towards legalizing cannabis, Japan tightened its laws in 2023, making ownership and consumption of cannabis illegal with prison penalties of up to seven years. Public opinion remains largely skeptical of cannabis use, even for medical purposes. A July 2024 survey found that more than half of respondents did not view cannabis as a legitimate healthcare solution, while only *** percent were in favor of it. In recent years, the number of arrests for cannabis-related crimes was highest among people in their twenties, followed by teenagers. Drug crimes The total cases of reported drug-related crimes in Japan remained at around ****** per year, and gang crime-related drug arrests even saw a decline in recent years. Overall, Japan sees a low rate of drug use disorders compared to other industrialized nations. One reason may be that Japan has strict drug laws with penalties such as fines of up to *** million Japanese yen or imprisonment of up to ten years for possession, use, and sale of illegal drugs, including marijuana.

In 2023, **** percent of foreigners who were arrested in Japan for criminal offenses or law violations were **********. That year, Chinese nationals accounted for the ************** share of arrests, at approximately **** percent.