White paper on crime 2018 Part2/Chapter5/Section3/1
Volunteer probation officers (VPOs) are assigned to one of 886 probation districts (as of April 1, 2018) nationwide where they engage in rehabilitation services that include implementation of probation/parole supervision, coordination of social circumstances, crime prevention activities, etc. (Source: The Rehabilitation Bureau, Ministry of Justice).
Fig. 2-5-3-1 shows the trend of the number of volunteer probation officers, ratio of female VPOs, and their average age.
Fig. 2-5-3-2 shows the composition ratio of age groups and occupations of volunteer probation officers as of January 1, 2018.