This report contains comprehensive information on state and territory child protection and support services, and the characteristics of Australian children within the child protection system. Key findings include: Since 2009-10, the number of children subject to a notification decreased by 13% from 187,314 to 163,767; Since 2006-07, the number of children subject to a substantiation of a notification has decreased by 7% from 34,028 to 31,527 (6.9 to 6.1 per 1,000 children); The number of children in out-of-home care has increased by 5% from 35,895 in 2010 to 37,648 in 2011.