TOKYO, May 31 (News On Japan) - Japan has officially abolished both penal servitude and imprisonment without labor, replacing them with a newly introduced 'custodial sentence' system. This marks the first major reform of the country's penal code since it was established in 1907.
Under the new system, inmates will be categorized into 24 groups based on factors such as age, nationality, presence of addiction, and sentence length. Each group will receive work assignments and guidance tailored to their specific characteristics.
For example, elderly inmates with dementia will be placed in a "geriatric welfare program," which focuses on activities aimed at improving physical and cognitive functions. Inmates with a history of drug use will be classified under a "rehabilitation program for addiction," with a stronger emphasis placed on treatment and recovery. The aim is to shift the primary function of incarceration from punishment to the prevention of repeat offenses.
Although the new custodial sentence will apply to individuals convicted after June 1st, the Ministry of Justice also plans to gradually reassign current inmates serving time under the old system into the new classification groups.
The reform was driven by the growing need to modernize Japan's correctional system, particularly in response to the rising number of elderly prisoners, the increasing prevalence of drug-related offenses, and the high rate of repeat offenses. By eliminating the distinction between penal servitude and simple imprisonment, the new system aims to create a unified and flexible approach to incarceration that better supports rehabilitation.
Under the new custodial sentence system, all inmates will be assessed and classified into 24 different groups based on factors such as age, nationality, sentence length, addiction history, and mental or physical health. Each group will receive individualized programs that align with their specific characteristics and rehabilitation needs. For example, elderly inmates with dementia or other age-related impairments may be placed in welfare-oriented courses designed to maintain or improve physical and cognitive functioning. Inmates with a history of substance abuse will be placed in recovery-focused programs that emphasize treatment, counseling, and behavioral therapy. Younger offenders may be assigned to educational or vocational training programs that prepare them for reintegration into the workforce upon release.
The underlying philosophy of 拘禁刑 shifts the emphasis of incarceration from punitive measures toward the prevention of recidivism. Rather than focusing on "punishment" in the traditional sense, the new system prioritizes rehabilitation, social reintegration, and support for behavioral change. This approach reflects both domestic concerns about repeat offenses and international criticism of Japan's historically rigid penal practices. Although the new sentence applies only to crimes committed after June 1, 2025, the Ministry of Justice plans to gradually reclassify existing inmates serving time under the previous system into the new categories. By integrating correctional science and individualized support into its prison system, Japan aims to modernize its approach to criminal justice, reduce the likelihood of reoffending, and create a more humane and effective correctional environment.
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