What is Australia's political structure?

Answer 1

Australia is a constitutional monarchy, since it retains Elizabeth II of England as its notional head of state.

Elizabeth II has no real power over Australian affairs, her position as head of state is an organisational fiction. For all practical purposes Australia is a democratic republic with government administered through an elected parliament dominated by two major political parties.

Answer 2

Its a system which is based on a liberal democratic tradition.

Answer 3

legislative and executive arm are not fully separated. The legislative arm makes up the executive arm of the government.

Answer 4

federal parliamentary democracy and a Commonwealth realm