Fig. 4-1-3-1 shows the number of juveniles of illegal behavior who are guided by police for non-traffic penal code offenses and their rate per population since 1946.
  The number of juveniles of illegal behavior who are guided by police for non-traffic penal code violations reached a first peak in 1951, a second peak in 1962, and a third peak in 1981 (67,906 juveniles), and then has been on a downward trend. The number had been flat in the range of 20,000 to 23,000 since1999, and in 2006, it fell down below 20,000 for the first time since 1950. Also, the rate per population has been on a downward trend after it reached a peak (8.9) in 1981. The rate has generally been between 4 and 5 since 1989, but was 3.9 in 2006.

Fig. 4-1-3-1  Number of juveniles of illegal behavior guided by police for non-traffic penal code offenses and their rate per population (1946-2006)

  Fig. 4-1-3-2 shows the number of juveniles of illegal behavior guided by police for homicide and robbery since 1948 (see Appendix 4-6 for the number of juveniles of illegal behavior who are guided by police, by major type of delinquency).

Fig. 4-1-3-2  Number of juveniles of illegal behavior guided by police for homicide or robbery (1948-2006)

  The number of juveniles of illegal behavior finally disposed by family courts (excluding those who were referred to family courts by summary procedure) in general juvenile cases (excluding negligence in the pursuit of social activities and dangerous driving causing death or injury) has generally been on a rise since 1997, and in 2006, it was 141 juveniles (up by 17.5% from the previous year). By type of delinquency, theft accounted for the largest share each year, and was 43.3% in 2006, followed by injury at 26.2% (Source: Annual Report of Judicial Statistics).