Our total budget is around $600 billion. $30 billion (5%) going to a disadvantaged group (around 3%) seems unders to me.Thought it was pretty common knowledge these days...not sure sure about decades but the last decade at least.
Indigenous Expenditure Report 2017
The 2017 Indigenous Expenditure Report was released on 26 October 2017. It provides estimates of the levels and patterns of Australian, State and Territory government expenditure on services relating to Aboriginal and Torres Strait Islander Australians.www.pc.gov.au