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The population of the United States, 1950 to 2100

The United States had about 343 million people in 2023, 3rd in the world. The UN projects 381 million by 2050 and 421 million by 2100, falling to 6th.

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What the data shows

  • United States: 154.2M in 1950, 421.3M in 2100 (projected) (2.7× higher). The latest estimate is 343.5M in 2023.

About this chart

The United States was already the 3rd most populous country in 1950, with about 154 million people, and it is still 3rd in the UN's latest estimate, at about 343 million in 2023. In between it passed 219 million in 1975 and 281 million in 2000. The line has been climbing at a steady pace for the entire estimate period.

The medium projection keeps the line rising: about 356 million in 2030, 381 million in 2050, 403 million in 2075 and 421 million in 2100, with no peak inside the chart. The U.S. still ranks 3rd in 2050, but the UN projects it at 6th in 2100 as faster-growing countries pass it. Data are from UN World Population Prospects 2024, with estimates through 2023.

The data

Source: UN World Population Prospects 2024 via Our World in Data; estimates to 2023, medium-variant projections after, millions. Retrieved November 4, 2026.

Population of United States, Millions of people, 1950 to 2100 (UN projections), 1950–2100
Date🇺🇸 United States
1950154.2M
1951156.5M
1952158.8M
1953161.2M
1954163.6M
1955166.2M
1956168.8M
1957171.5M
1958174.2M
1959177.2M
1960180.3M
1961183.5M
1962186.7M
1963189.8M
1964192.8M
1965195.7M
1966198.3M
1967200.7M
1968203.0M
1969205.3M
1970207.8M
1971210.4M
1972212.8M
1973215.0M
1974217.1M
1975219.1M
1976221.2M
1977223.3M
1978225.4M
1979227.6M
1980229.9M
1981232.2M
1982234.6M
1983237.0M
1984239.4M
1985241.7M
1986244.0M
1987246.2M
1988248.4M
1989250.7M
1990253.4M
1991256.5M
1992259.6M
1993262.6M
1994265.5M
1995268.2M
1996270.9M
1997273.5M
1998276.1M
1999278.8M
2000281.5M
2001284.3M
2002287.1M
2003289.9M
2004292.8M
2005295.7M
2006298.7M
2007301.8M
2008305.0M
2009308.0M
2010311.1M
2011314.1M
2012317.1M
2013320.1M
2014323.1M
2015326.1M
2016329.2M
2017332.2M
2018335.1M
2019337.8M
2020339.4M
2021340.2M
2022341.5M
2023343.5M
2024345.4M
2025347.3M
2026349.0M
2027350.7M
2028352.4M
2029354.1M
2030355.7M
2031357.2M
2032358.8M
2033360.3M
2034361.8M
2035363.3M
2036364.7M
2037366.2M
2038367.6M
2039368.9M
2040370.2M
2041371.5M
2042372.7M
2043373.9M
2044375.0M
2045376.1M
2046377.1M
2047378.1M
2048379.1M
2049380.0M
2050380.9M
2051381.7M
2052382.5M
2053383.4M
2054384.2M
2055384.9M
2056385.6M
2057386.4M
2058387.3M
2059388.1M
2060388.9M
2061389.8M
2062390.7M
2063391.6M
2064392.4M
2065393.4M
2066394.3M
2067395.3M
2068396.3M
2069397.2M
2070398.2M
2071399.2M
2072400.2M
2073401.1M
2074402.0M
2075402.9M
2076403.8M
2077404.7M
2078405.5M
2079406.3M
2080407.1M
2081407.9M
2082408.7M
2083409.4M
2084410.1M
2085410.8M
2086411.5M
2087412.2M
2088413.0M
2089413.7M
2090414.5M
2091415.2M
2092415.9M
2093416.7M
2094417.4M
2095418.1M
2096418.8M
2097419.5M
2098420.1M
2099420.7M
2100421.3M

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Frequently asked questions

What is the population of the United States?

The United States had a population of about 343 million in 2023, the latest UN estimate. That made it the 3rd most populous country in the world. Years after 2023 are projections.

Will the U.S. population keep growing?

Yes, in the UN's medium projection. It reaches about 381 million in 2050 and about 421 million in 2100, although the U.S. is projected to fall from 3rd to 6th in world rank by 2100.

Where does this data come from?

UN World Population Prospects 2024 via Our World in Data; estimates to 2023, medium-variant projections after, millions. Retrieved November 4, 2026. You can download the full table as a CSV from this page.

Can I turn this chart into a video?

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Related data

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US fertility rate

The US fertility rate fell from 3.65 births per woman in 1960 to 1.63 in 2024, just above France (1.61) and the UK (1.55), and well above Japan (1.15).

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US birth rate

The US birth rate fell from 23.7 births per 1,000 people in 1960 to 10.6 in 2024, above the UK's 9.9 and Japan's 5.7 but below Mexico's 15.5.

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US life expectancy

US life expectancy at birth reached 78.9 years in 2024, up from 69.8 in 1960 but 5.1 years behind Japan at 84.0 and below the UK's 81.4.