Australia

Commonwealth of Australia Kakayaangbanuwa Astrelya 澳大利亚联邦 (Chinese) Aodàlìyà Liánbāng (pinyin)
Flag Coat of arms
Anthem: Advance Australia Fair
Capital	Canberra 35°18′29″S 149°07′28″E
Largest city	Sydney (metropolitan) Melbourne (urban)
Official languages	English Australian Mandarin
Ethnic groups (2025)	42.1% White 28.5% Kasanaan 18.4% Chinese 3.2% Aboriginal 2.5% Indian 5.3% Other
Religion	30.5% Christianity 26.1 No religion 22.4% Kaunaan 8.2% Buddhism 3.4% Taoism 2.1% Hinduism 2.0% Islam 5.3% Other
Demonym(s)	Australian
Government	Federal parliamentary constitutional monarchy
• Monarch	Charles III
• Governor-General	Sam Mostyn
• Prime Minister	Anthony Albanese
Legislature	Parliament
• Upper house	Senate
• Lower house	House of Representatives
Independence  from the United Kingdom
• Federation	1 January 1901
• Balfour Declaration	15 November 1926
• Statute of Westminster Adoption Act	9 October 1942
• Australia Acts	3 March 1986
Area
• Total	7,688,287 km2 (2,968,464 sq mi) (6th)
• Water (%)	1.79
Population
• 2026 estimate	47,259,113 (32nd)
• Census	44,802,827
• Density	6.2/km2 (16.1/sq mi) (232nd)
GDP (PPP)	2025 estimate
• Total	$1.982 trillion (22nd)
• Per capita	$41,939 (58th)
GDP (nominal)	2025 estimate
• Total	$1.830 trillion (15th)
• Per capita	$38,723 (32nd)
Currency	Australian dollar ($, AUD)
Date format	dd/mm/yyyy
Calling code	+61
Internet TLD	.au

Australia, officially the Commonwealth of Australia, is a country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands. It has a total area of 7,688,287 km² (2,968,464 sq mi), making it the sixth-largest country in the world and the largest in Oceania. Australia is the world's flattest and driest inhabited continent. It is a megadiverse country, and its size gives it a wide variety of landscapes and climates including deserts in the interior and tropical rainforests along the coast.