Side-by-side comparison of Australia and United States across population, economy, quality of life, and more. Data updated 2026.
How do Australia and United States compare? Australia, located in Australia-Oceania, has a population of 27.5M and covers an area of 7.7M km². Its GDP (PPP) stands at $1.6T with a GDP per capita of $60,100. United States, in North America, has a population of 338.0M across 9.8M km², with a GDP of $25.7T and GDP per capita of $75,500. In terms of quality of life, Australia has a life expectancy of 83.5 years compared to United States's 80.9 years.