Flag of United States

United States Demographics Profile 2013

Home > Factbook > Countries > United States

Population316,668,567 (July 2013 est.)
Age structure0-14 years: 20% (male 32,344,207/female 31,006,688)
15-24 years: 13.7% (male 22,082,128/female 21,157,025)
25-54 years: 40.2% (male 63,802,736/female 63,581,749)
55-64 years: 12.3% (male 18,699,338/female 20,097,791)
65 years and over: 13.9% (male 19,122,853/female 24,774,052) (2013 est.)
Dependency ratiostotal dependency ratio: 50.4 %
youth dependency ratio: 29.4 %
elderly dependency ratio: 21 %
potential support ratio: 4.8 (2013)
Median agetotal: 37.2 years
male: 35.9 years
female: 38.5 years (2013 est.)
Population growth rate0.9% (2013 est.)
Birth rate13.66 births/1,000 population (2013 est.)
Death rate8.39 deaths/1,000 population (2013 est.)
Net migration rate3.64 migrant(s)/1,000 population (2013 est.)
Urbanizationurban population: 82% of total population (2010)
rate of urbanization: 1.2% annual rate of change (2010-15 est.)
Major cities - populationNew York-Newark 19.3 million; Los Angeles-Long Beach-Santa Ana 12.675 million; Chicago 9.134 million; Miami 5.699 million; WASHINGTON, D.C. (capital) 4.421 million (2009)
Sex ratioat birth: 1.05 male(s)/female
0-14 years: 1.04 male(s)/female
15-24 years: 1.04 male(s)/female
25-54 years: 1 male(s)/female
55-64 years: 0.93 male(s)/female
65 years and over: 0.77 male(s)/female
total population: 0.97 male(s)/female (2013 est.)
Mother's mean age at first birth25 (2006 est.)
Infant mortality ratetotal: 5.9 deaths/1,000 live births
male: 6.55 deaths/1,000 live births
female: 5.22 deaths/1,000 live births (2013 est.)
Life expectancy at birthtotal population: 78.62 years
male: 76.19 years
female: 81.17 years (2013 est.)
Total fertility rate2.06 children born/woman (2013 est.)
Contraceptive prevalence rate76.4%
note: percent of women aged 15-44 (2010)
HIV/AIDS - adult prevalence rate0.6% (2009 est.)
HIV/AIDS - people living with HIV/AIDS1.2 million (2009 est.)
HIV/AIDS - deaths17,000 (2009 est.)
Drinking water sourceimproved:
urban: 100% of population
rural: 94% of population
total: 99% of population
unimproved:
urban: 0% of population
rural: 6% of population
total: 1% of population (2010 est.)
Sanitation facility accessimproved:
urban: 100% of population
rural: 99% of population
total: 100% of population
unimproved:
urban: 0% of population
rural: 1% of population
total: 0% of population (2010 est.)
Nationalitynoun: American(s)
adjective: American
Ethnic groupswhite 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
ReligionsProtestant 51.3%, Roman Catholic 23.9%, Mormon 1.7%, other Christian 1.6%, Jewish 1.7%, Buddhist 0.7%, Muslim 0.6%, other or unspecified 2.5%, unaffiliated 12.1%, none 4% (2007 est.)
LanguagesEnglish 82.1%, Spanish 10.7%, other Indo-European 3.8%, Asian and Pacific island 2.7%, other 0.7% (2000 census)
note: the US has no official national language, but English has acquired official status in 28 of the 50 states; Hawaiian is an official language in the state of Hawaii
Literacydefinition: age 15 and over can read and write
total population: 99%
male: 99%
female: 99% (2003 est.)
School life expectancy (primary to tertiary education)total: 17 years
male: 16 years
female: 18 years (2010)
Education expenditures5.4% of GDP (2009)
Maternal mortality rate21 deaths/100,000 live births (2010)
Children under the age of 5 years underweight1.3% (2004)
Health expenditures17.9% of GDP (2011)
Physicians density2.42 physicians/1,000 population (2009)
Hospital bed density3 beds/1,000 population (2010)
Obesity - adult prevalence rate33% (2008)

Source: CIA World Factbook
Unless otherwise noted, information in this page is accurate as of February 21, 2013