As of 2025, the population of United States is approximately 341.78 million people (341 784 857), making it the 3rd most populous country in the dataset of 217 countries, with a 4.17% share of the combined total.
Over the past five years the population of United States changed by +3.08%, and over the past ten years by +6.21%. By five-year growth, United States ranks 137th of 217 countries; in terms of momentum, growth is stable — the recent five-year pace (+0.61% per year) is essentially unchanged from the previous five years (+0.60%).
| Year | Population | Diff | Diff % | Share of Universe |
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