Side-by-side comparison of Japan and United States across population, economy, quality of life, and more. Data updated 2026.
How do Japan and United States compare? Japan, located in East and Southeast Asia, has a population of 123.2M and covers an area of 377,915 km². Its GDP (PPP) stands at $5.7T with a GDP per capita of $46,100. 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, Japan has a life expectancy of 85.2 years compared to United States's 80.9 years.
