This report presents information on the number of young people in detention in 2011 and describes recent trends in the detention population. In Australia, the state and territory governments are responsible for dealing with young people involved in crime. Most young people in the juvenile justice system are either supervised in the community or are unsupervised, but some are detained. This report presents information on the number of young people in detention in 2011 and describes recent trends in the detention population. Around 1,000 young people are in detention throughout Australia On an average night in the June quarter of 2011 there were 1,055 young people in detention (Table 1). Over one-third (36%) were detained in New Sou...