Population:Population of Australia owing to its historical developments and governmental policies consists of people of different races,religions and countries. Overseas migration played an important role in changing Australia's population. Belief:Among the population of Australia,Christianity is the religion of the majority. Politics:The Politics of Australia take place within the framework of parliamentary democracy[6].Australia is a federation and a constitutional monarchy, and Australians elect state and territory legislatures based on the Westminster tradition.In the states and territories,elections are held at least once every four years. Population: Population of Australia owing to its historical developments and governmental policies consists of people of different races, religions and countries. Overseas migration played an important role in changing Australia’s population. Belief: Among the population of Australia, Christianity is the religion of the majority. Politics: The Politics of Australia take place within the framework of parliamentary democracy[6]. Australia is a federation and a constitutional monarchy, and Australians elect state and territory legislatures based on the Westminster tradition. In the states and territories, elections are held at least once every four years