USA and Australia – country comparison | USA vs Australia

The following is a comparison between the United States of America (USA) and Australia, the world’s third-largest and sixth-largest countries respectively. Let’s read.

USA vs Australia – country comparison

Flags of the United States and Australia
Flags of the United States and Australia

Which country has a larger area, USA or Australia?

The United States of America is 1.28 times larger than Australia.

  • Area of USA – around 9.8 million square kilometers
  • Area of Australia – around 7.7 million square kilometers

Which country is more populous, USA or Australia?

The population of the United States of America is way more as compared with the population of Australia.

  • Population of USA – over 333 million (2022)
  • Population of Australia – about 26 million (2022)

In which country the life expectancy is higher, USA or Australia?

The life expectancy is higher in Australia (84.5/2021) as compared with the life expectancy in the USA (77.2/2021).

Top 3 largest cities


  1. New York City
  2. Los Angeles
  3. Chicago


  1. Sydney
  2. Melbourne
  3. Brisbane

Also read

Full comparison table

Areaaround 9.8 million square kilometersaround 7.7 million square kilometers
Populationover 333 million (2022)about 26 million (2022)
RegionNorth AmericaOceania
Capital CityWashington, D.C.Canberra
Largest CityNew York CitySydney
CurrencyUnited States DollarAustralian Dollar
Type of governmentFederal presidential constitutional republicFederal parliamentary constitutional monarchy
Life expectancy (UN/2021)77.284.5
Most spoken languageAmerican EnglishAustralian English
Most popular sportAmerican footballAustralian rules football
Busiest AirportHartsfield–Jackson Atlanta International AirportSydney Kingsford Smith Airport
Highest mountain peakDenali (Mount McKinley) (20,310 ft/6,190 meters)Mount Kosciuszko (7,310 ft/2,228 m) (mainland)
Largest IslandHawaii islandMainland Australia
National AnimalAmerican bison (national mammal)Kangaroo
National BirdBald EagleEmu
National treeThe OakThe Golden Wattle
Number of UNESCO World Heritage Sites2520
Largest Metropolitan areaNew York metropolitan area (Tri-State area)Greater Sydney

Flag of the USA

Flag of Australia

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