USA and Australia - country comparison

The following is a comparison between the United States of America (USA) and Australia, two large countries of the world. Let’s read.

USA and Australia – country comparison

• The United States has a larger GDP and a higher GDP per capita than Australia.

2025 (IMF)	USA	Australia
Currency	United States Dollar	Australian Dollar
GDP (nominal, USD)	$30.77 trillion	$1.84 trillion
GDP per capita (nominal, USD)	$89.99 thousand	$66.35 thousand
GDP (PPP, international $)	$30.77 trillion	$2 trillion
GDP per capita (PPP, international $)	$89.99 thousand	$72.13 thousand

2025 estimate	USA	Australia
Population	347.3 million	27 million
Population aged 0-14	17%	18%
Population aged 15-64	65%	64%
Population aged 65 and older	18%	18%
Total fertility rate, per woman	1.6	1.6

	USA	Australia
Life expectancy at birth (2023/UN)	79.3	83.92
Human Development Index rank (2023)	17th	7th
Human Development Index value	0.938	0.958

• The United States of America has a larger area compared to Australia. It is roughly 1.3 times larger than Australia.

• The United States is one of the most populated countries in the world. Australia, on the other hand, has a small population.

	USA	Australia
Area	approximately 9.8 million sq km	approximately 7.7 million sq km
Population	347.3 million (2025 estimate)	27 million (2025 estimate)
Capital city	Washington, D.C.	Canberra
Largest metropolitan area	New York metropolitan area (Tri-State area)	Greater Sydney
Most spoken language	English	English
Most popular sport	American football	Australian rules football

	USA	Australia
Region	North America	Oceania
Forest cover (2023)	33.9%	17.4%
Total number of time zones	11	9
Highest mountain peak	Denali/Mount McKinley (6,190 m/20,310 ft)	Mount Kosciuszko (2,228 m/7,310 ft) (mainland Australia)
Largest island	Hawaii island	Mainland Australia
Major rivers	Missouri, Mississippi, Yukon, Rio Grande, Arkansas, Colorado, etc.	Murray, Murrumbidgee, Darling, Lachlan, Cooper Creek, Flinders, etc.
National animal	American bison (national mammal)	Kangaroo
National bird	Bald eagle	Emu
National tree	The oak	The golden wattle

	USA	Australia
International tourist arrivals	72.4 million (2024)	8.3 million (2024)
Number of UNESCO World Heritage Sites	26	21
Popular places to visit	New York City, Los Angeles, Chicago, Yellowstone National Park, San Francisco, Yosemite National Park, Grand Canyon, etc.	Melbourne, Sydney, Brisbane, Perth, Adelaide, Gold Coast, Great Barrier Reef, Uluru-Kata Tjuta National Park, etc.
Busiest airport	Hartsfield-Jackson Atlanta International Airport	Sydney Kingsford Smith Airport

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