| Official Name | United States of America |
| Capital | Washington, D.C. |
| Area | total: 9,833,517 sq km |
| land: 9,147,593 sq km | |
| water: 685,924 sq km | |
|
note: includes only the 50 states and District of Columbia, no overseas territories (2010) |
|
| Location | North America, bordering both the North Atlantic Ocean and the North Pacific Ocean, between Canada and Mexico |
| Land Boundaries | total: 12,048 km |
| border countries (2): Canada 8,893 km (including 2,477 km with Alaska), Mexico 3,155 km | |
|
note: US Naval Base at Guantanamo Bay, Cuba is leased by the US and is part of Cuba; the base boundary is 28.5 km |
|
| Land Use | agricultural land: 44.5% |
| forest: 33.3% | |
| other: 22.2% (2011 est.) |
| Population | (July 2016 est.) |
| 323,995,52 | |
| Nationality | noun: American(s) |
| adjective: American | |
| Ethnic groups | white 79.96%, black 12.85%, Asian 4.43%, Amerindian and Alaska native 0.97%, native Hawaiian and other Pacific islander 0.18%, two or more races 1.61% (July 2007 estimate) |
| 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.); about 15.1% of the total US population is Hispanic | |
| Languages | English 79.2%, Spanish 12.9%, other Indo-European 3.8%, Asian and Pacific island 3.3%, other 0.9% (2011 est.) |
| note: data represent the language spoken at home; the US has no official national language, but English has acquired official status in 31 of the 50 states; Hawaiian is an official language in the state of Hawaii | |
| Age Structure | (2016) |
| 0-14 years: 18.84% (male 31,182,660/female 29,854,687) | |
| 15-24 years: 13.46% (male 22,360,342/female 21,252,215) | |
| 25-54 years: 39.6% (male 64,170,791/female 64,135,619) | |
| 55-64 years: 12.85% (male 20,081,837/female 21,536,994) | |
| 65 years and over: 15.25% (male 21,895,128/female 27,525,255) | |
| Median age | (2016) |
| total: 37.9 years | |
| male: 36.6 years | |
| female: 39.3 years | |
| Population growth rate | (2016) |
| 0.81% | |
| Birth Rate | (2016) |
| 12.5 births/1,000 population | |
| Death rate | (2016 est.) |
| 8.2 deaths/1,000 population | |
| Urbanization | urban population: 81.6% of total population (2015) |
| rate of urbanization: 1.02% annual rate of change (2010-15 est.) | |
| Sex ratio | 0-14 years: 1.04 male(s)/female |
| 15-24 years: 1.05 male(s)/female | |
| 25-54 years: 1 male(s)/female | |
| 55-64 years: 0.93 male(s)/female | |
| 65 years and over: 0.79 male(s)/female | |
| total population: 0.97 male(s)/female (2016 est.) | |
| Mother's mean age at first birth | 25.6 years (2011 est.) |
| Maternal mortality rate | 14 deaths/100,000 live births (2015 est.) |
| Infant mortality rate | total: 5.8 deaths/1,000 live births |
| male: 6.3 deaths/1,000 live births | |
| female: 5.3 deaths/1,000 live births (2016 est.) | |
| Life expectancy at birth | total population: 79.8 years |
| male: 77.5 years | |
| female: 82.1 years (2016 est.) | |
| Total fertility rate | 1.87 children born/woman (2016 est.) |
| Drinking water source | improved: |
| urban: 99.4% of population | |
| rural: 98.2% of population | |
| total: 99.2% of population | |
|
unimproved: |
|
| urban: 0.6% of population | |
| rural: 1.8% of population | |
| total: 0.8% of population (2015 est.) | |
| Sanitation facility access | improved: |
| urban: 100% of population | |
| rural: 100% of population | |
| total: 100% of population | |
|
unimproved: |
|
| urban: 0% of population | |
| rural: 0% of population | |
| total: 0% of population (2015 est.) | |
| Obesity - adult prevalence rate | 35% (2014) |
| Children under the age of 5 years underweight | 0.5% (2012) |
| Education expenditures | 4.9% of GDP (2013) |
| School life expectancy | total: 17 years |
| (primary to tertiary | male: 16 years |
| education) | female: 17 years (2014) |
| Unemployment, | total: 13.4% |
| youth ages 15-24 | male: 14.5% |
| female: 12.2% (2014 est.) |
