II.The Formation of the Australian Political System Australia has what has been called a Washminster' form of polity.It is a mixture of the US,Washington system of government and the British,Westminster system:the political structure is based on a Federation of States and has a three-tier system of government but the chief executive is a Prime Minister not a President. Australia has a three-tier system of government-the Australian Parliament at Federal level,six State governments and about 900 Local Government bodies. II. The Formation of the Australian Political System • Australia has what has been called a ‘Washminster’ form of polity. It is a mixture of the US, Washington system of government and the British, Westminster system: the political structure is based on a Federation of States and has a three-tier system of government but the chief executive is a Prime Minister not a President. • Australia has a three-tier system of government—the Australian Parliament at Federal level, six State governments and about 900 Local Government bodies