Statistical analysis of ‘juvenile crime’, juvenile meaning young people between the ages of 10 and 16 dealt with by the Children’s Court and therefore under the responsibility of the Department of Social Welfare. Report notes difficulties in measuring crime due to offences not being detected, reported, or prosecuted. In 1971, 71% of offences and complaints dealt with in the Children’s Court were against property; 5% were against the person; 4% were sex and indencency offences; 6% were offences against good order; 2% were other offences; and 12% were against special Acts or bylaws. Report shows a steady increase in officially recorded juvenile delinquency since 1950. The steepest increase occurred during the same period during which the Youth Aid Section of the Police grew and consolidated. Juvenile offending is shown to be mostly a boys' problem and Māori offending rates are markedly higher than those for non-Māori. In 1971 the overall offending rate for Māori boys was 5.1x the rate for non-Māori boys and the overall rate for Māori girls was 7.4x the rate for non-Māori girls. Once a child has appeared in the Children’s Court for an offence they have a more than 40% change of reappearing there. This rate of reoffending is worse for offenders committed to State care rather than supervision.