What is the Population of United States?
United States has a population of approximately 340,110,988 people, making it the 3rd most populated country of the 196 countries covered on this site — around 4.25% of the world's population. With a land area of 9,525,067 km², the population density is roughly 36 people per km².
| Population | 340,110,988 |
|---|---|
| Population rank | 3rd of 196 |
| Share of world population | 4.25% |
| Area | 9,525,067 km² |
| Population density | 36 / km² |
| Demonym | American |
Population of United States — FAQ
What is the population of United States?
The population of United States is approximately 340,110,988 (340.1 million).
How does United States rank by population?
United States is the 3rd most populated of the 196 countries covered on this site.
What is the population density of United States?
United States has a population density of roughly 36 people per km².
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