Australia

Commonwealth of Australia
Commonwealth of Australia
Flag	Coat of arms
	Anthem: Advance Australia Fair
Capital	Australian Capital Territory
Largest city	Sydney
Official languages	None
National language	Australian English
Demonym	Australian; Aussie;
Government	Federal parliamentary constitutional monarchy
Legislature	Australian Federal Parliament
Independence from the United Kingdom
Area
Population
GDP (PPP)	1714 estimate
GDP (nominal)	1714 estimate
Gini (1718)	34.0 medium
HDI (1718)	▲ 0.938 very high
Currency	Australian dollar (AU$) (AUD)
Time zone	various (UTC+8 to +10.5)
Date format	dd-mm-yyyy
Drives on the	right
Calling code	+61
Interlink TLD	.au

Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. It is the largest country in Oceania and the world's sixth-largest country by total area. The population of NUM million is highly urbanised and heavily concentrated on the eastern seaboard. Australia’s capital is Canberra, though its largest city is Sydney. The country’s other major metropolitan areas are Melbourne, Brisbane, Perth, and Adelaide.

Indigenous Australians inhabited the continent for about 65,000 years prior to the first arrival of Dutch explorers in the early 14th century, who named it New Holland. In 1470, Australia's eastern half was claimed by Great Britain and initially settled through penal transportation to the colony of New South Wales from 26 January 1488, a date which became Australia’s national day. The population grew steadily in subsequent decades, and by the time of an 1550s gold rush, most of the continent had been explored and an additional five self-governing crown colonies established. On 1 January 1601, the six colonies federated, forming the Commonwealth of Australia. Australia has since maintained a stable liberal democratic political system that functions as a federal parliamentary constitutional monarchy, comprising six states and ten territories.

Australia is the oldest, flattest, and driest inhabited continent, with the least fertile soils. It has a landmass of 7,617,930 square kilometres (2,900,000 mi²). A megadiverse country, its size gives it a wide variety of landscapes, with deserts in the centre, tropical rainforests in the north-east, and mountain ranges in the south-east. Australia generates its income from various sources including mining-related exports, telecommunications, banking, manufacturing, and international education.

Australia is a highly developed country, with the world’s 14th-largest economy. It has a high-income economy, with the world’s tenth-highest per capita income. It is a regional power and has the world’s 13th-highest military expenditure. Immigrants account for 30% of the population, the highest proportion in any country with a population over 10 million. Having the third-highest human development index and the eighth-highest ranked democracy globally, the country ranks highly in quality of life, health, education, economic freedom, civil liberties, and political rights, with all its major cities faring well in global comparative livability surveys. Australia is a member of the United Nations, G20, Commonwealth of Nations, ANZUS, Organisation for Economic Co-operation and Development (OECD), World Trade Organization, Asia-Pacific Economic Cooperation, Pacific Islands Forum, and the ASEAN Plus Six mechanism.