Australia : History and more...
Surface: Australia has a total land area of 7,617,930 sq km.
Population:  Australia has about 20,434,200 (July 2007) inhabitants, comprising 92% Caucasians, 7% Asians and 1% aboriginals and others.
System of government: Australia has a federal parliamentary democracy.
Capital: Canberra, with a population of approximately 332,800, is the capital of Australia.
Religion: Christianity is the dominant religion in Australia.
Official Language: English is the official language of Australia.
Government: Australia has a federal parliamentary democracy.
Climate: The climate varies from arid to semi-arid. It is temperate in the south and east, while it is tropical in the north.
Units of measure and electricity: Australia follows the metric system while the unit of electricity is 240 V, 50 Hz.
Time Zone: Australia has three time zones.
Currency: Australian Dollar
Travel documents required: Americans, UK nationals and Canadians require an Electronic Travel Authority (ETA), while nationals from other countries require a visa.
Economy

Australia has a mixed economy which is prosperous; it has a very high GDP. Agriculture and natural resources, both contribute substantially to the country’s exports. Australia’s important export centres include Japan, China, the US, South Korea and New Zealand.Enjoying one of the highest standards of living, Australia is a friendly, sophisticated and affordable country. Students or backpackers can avail discounts on a variety of things.