Australia Tax Revenue Chart
Current Australia Tax Revenue: 22.18% GDP
Australia Tax Revenue for Dec 2014
Mean: 21.78% GDP
Median: 22.09% GDP
Min: 17.06% GDP (Dec 1973)
Max: 24.85% GDP (Dec 2005)

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

Source: World Bank > Australia > Australia Tax Revenue