Of the 4,695 young people under youth justice supervision on an average day in 2020–21, most were male (81%) and supervised in the community (84%). Overall rates of supervision varied among the states and territories, from 7.3 per 10,000 in Victoria to 32 per 10,000 in the Northern Territory. Rates of supervision fell over the 5 years from 2016–17 to 2020–21 for community-based supervision and detention.