World Factbook
United States
United States of America
Last updated: 2026-03-28 (today)
Languages
English only (official) 78.2%, Spanish 13.4%, Chinese 1.1%, other 7.3% (2017 est.)
note: data represent the language spoken at home; English is the official national language as of March 2025, but English previously had official status in 32 of the 50 states; Hawaiian is an official language in the state of Hawaii, and 20 indigenous languages are official in Alaska
Religions
Protestant 46.5%, Roman Catholic 20.8%, Jewish 1.9%, Church of Jesus Christ 1.6%, other Christian 0.9%, Muslim 0.9%, Jehovah's Witness 0.8%, Buddhist 0.7%, Hindu 0.7%, other 1.8%, unaffiliated 22.8%, don't know/refused 0.6% (2014 est.)
Sex ratio
at birth
1.05 male(s)/female
0-14 years
1.05 male(s)/female
15-64 years
1 male(s)/female
total population
0.97 male(s)/female (2024 est.)
65 years and over
0.81 male(s)/female
Birth rate
10.75 births/1,000 population (2025 est.)
Death rate
8.76 deaths/1,000 population (2025 est.)
Median age
male
37.8 years
total
39.5 years (2025 est.)
female
40 years
Population
male
167,543,554
total
338,016,259 (2025 est.)
female
170,472,705
Nationality
noun
American(s)
adjective
American
Tobacco use
male
27.7% (2025 est.)
total
22.1% (2025 est.)
female
16.7% (2025 est.)
Urbanization
urban population
83.3% of total population (2023)
rate of urbanization
0.96% annual rate of change (2020-25 est.)
Age structure
0-14 years
18.1% (male 31,618,532/female 30,254,223)
15-64 years
63.4% (male 108,553,822/female 108,182,491)
65 years and over
18.5% (2024 est.) (male 28,426,426/female 34,927,914)
Ethnic groups
White 61.6%, Black or African American 12.4%, Asian 6%, Indigenous and Alaska native 1.1%, Native Hawaiian and Other Pacific Islander 0.2%, other 8.4%, two or more races 10.2% (2020 est.)
note: a separate listing for Hispanic is not included because the US Census Bureau considers Hispanic to mean persons of Spanish/Hispanic/Latino origin including those of Mexican, Cuban, Puerto Rican, Dominican Republic, Spanish, and Central or South American origin living in the US who may be of any race or ethnic group (White, Black, Asian, etc.); an estimated 18.7% of the total US population is Hispanic as of 2020
Dependency ratios
total dependency ratio
56 (2025 est.)
youth dependency ratio
26.8 (2025 est.)
potential support ratio
3.4 (2025 est.)
elderly dependency ratio
29.2 (2025 est.)
Physician density
3.68 physicians/1,000 population (2022)
Health expenditure
Health expenditure (as % of GDP)
16.6% of GDP (2022)
Health expenditure (as % of national budget)
24.7% of national budget (2022 est.)
Net migration rate
2.54 migrant(s)/1,000 population (2025 est.)
Hospital bed density
2.7 beds/1,000 population (2020 est.)
Total fertility rate
1.63 children born/woman (2025 est.)
Drinking water source
improved: rural
rural: 100% of population (2022 est.)
improved: total
total: 100% of population (2022 est.)
improved: urban
urban: 100% of population (2022 est.)
unimproved: rural
rural: 0% of population (2022 est.)
unimproved: total
total: 0% of population (2022 est.)
unimproved: urban
urban: 0% of population (2022 est.)
Education expenditure
Education expenditure (% GDP)
5.4% of GDP (2021 est.)
Education expenditure (% national budget)
11.3% national budget (2021 est.)
Infant mortality rate
male
5.4 deaths/1,000 live births
total
5 deaths/1,000 live births (2025 est.)
female
4.7 deaths/1,000 live births
Population growth rate
0.45% (2025 est.)
Gross reproduction rate
0.02 (2025 est.)
Population distribution
large urban clusters are spread throughout the eastern half of the US (particularly the Great Lakes area, northeast, east, and southeast) and the western-tier states; mountainous areas such as the Rocky Mountains and Appalachians, deserts in the southwest, the dense boreal forests in the extreme north, and the central prairie states are less densely populated; Alaska's population is concentrated along its southern coast, particularly around Anchorage, and Hawaii's is centered on the island of Oahu
Life expectancy at birth
male
78.7 years
female
83.1 years
total population
80.9 years (2024 est.)
Maternal mortality ratio
17 deaths/100,000 live births (2023 est.)
Sanitation facility access
improved: rural
rural: 98.5% of population (2022 est.)
improved: total
total: 99.6% of population (2022 est.)
improved: urban
urban: 99.9% of population (2022 est.)
unimproved: rural
rural: 1.5% of population (2022 est.)
unimproved: total
total: 0.4% of population (2022 est.)
unimproved: urban
urban: 0.1% of population (2022 est.)
Alcohol consumption per capita
beer
3.97 liters of pure alcohol (2019 est.)
wine
1.67 liters of pure alcohol (2019 est.)
total
8.93 liters of pure alcohol (2019 est.)
spirits
3.29 liters of pure alcohol (2019 est.)
other alcohols
0 liters of pure alcohol (2019 est.)
Major urban areas - population
18.937 million New York-Newark, 12.534 million Los Angeles-Long Beach-Santa Ana, 8.937 million Chicago, 6.707 million Houston, 6.574 million Dallas-Fort Worth, 5.490 million WASHINGTON, D.C. (capital) (2023)
Obesity - adult prevalence rate
36.2% (2016)
Mother's mean age at first birth
27.5 years (2023 est.)
Currently married women (ages 15-49)
52.1% (2022 est.)
Children under the age of 5 years underweight
0.4% (2018 est.)
School life expectancy (primary to tertiary education)
male
15 years (2022 est.)
total
16 years (2022 est.)
female
17 years (2022 est.)