Australia Tax Revenue Chart
Current Australia Tax Revenue: 22.21% GDP
Australia Tax Revenue for Dec 2015
Mean: 22.32% GDP
Median: 22.19% GDP
Min: 17.06% GDP (Dec 1973)
Max: 26.27% GDP (Dec 1987)

Australia tax revenue (percent of GDP). Excludes most social security contributions.

Source: World Bank > Australia > Australia Tax Revenue