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United States information
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location:
north america. bordering both the north atlantic ocean and the north pacific ocean. between canada and mexico
geographic coordinates:
38 00 n. 97 00 w
map references:
north america
area:
total: 9.631.418 sq km land: 9.161.923 sq km water: 469.495 sq km note: includes only the 50 states and district of columbia
area - comparative:
about half the size of russia; about three-tenths the size of africa; about half the size of south america (or slightly larger than brazil); slightly larger than china; almost two and a half times the size of the european union
land boundaries:
total: 12.034 km border countries: canada 8.893 km (including 2.477 km with alaska). mexico 3.141 km note: us naval base at guantanamo bay. cuba is leased by the us and is part of cuba; the base boundary is 29 km
coastline:
19.924 km
maritime claims:
territorial sea: 12 nm contiguous zone: 24 nm exclusive economic zone: 200 nm continental shelf: not specified
climate:
mostly temperate. but tropical in hawaii and florida. arctic in alaska. semiarid in the great plains west of the mississippi river. and arid in the great basin of the southwest; low winter temperatures in the northwest are ameliorated occasionally in january and february by warm chinook winds from the eastern slopes of the rocky mountains
terrain:
vast central plain. mountains in west. hills and low mountains in east; rugged mountains and broad river valleys in alaska; rugged. volcanic topography in hawaii
elevation extremes:
lowest point: death valley -86 m highest point: mount mckinley 6.194 m
natural resources:
coal. copper. lead. molybdenum. phosphates. uranium. bauxite. gold. iron. mercury. nickel. potash. silver. tungsten. zinc. petroleum. natural gas. timber
land use:
arable land: 19.13% permanent crops: 0.22% other: 80.65% (2001)
irrigated land:
214.000 sq km (1998 est.)
natural hazards:
tsunamis. volcanoes. and earthquake activity around pacific basin; hurricanes along the atlantic and gulf of mexico coasts; tornadoes in the midwest and southeast; mud slides in california; forest fires in the west; flooding; permafrost in northern alaska. a major impediment to development
environment - current issues:
air pollution resulting in acid rain in both the us and canada; the us is the largest single emitter of carbon dioxide from the burning of fossil fuels; water pollution from runoff of pesticides and fertilizers; limited natural fresh water resources in much of the western part of the country require careful management; desertification
environment - international agreements:
party to: air pollution. air pollution-nitrogen oxides. antarctic-environmental protocol. antarctic-marine living resources. antarctic seals. antarctic treaty. climate change. desertification. endangered species. environmental modification. marine dumping. marine life conservation. ozone layer protection. ship pollution. tropical timber 83. tropical timber 94. wetlands. whaling signed. but not ratified: air pollution-persistent organic pollutants. air pollution-volatile organic compounds. biodiversity. climate change-kyoto protocol. hazardous wastes
geography - note:
world's third-largest country by size (after russia and canada) and by population (after china and india); mt. mckinley is highest point in north america and death valley the lowest point on the continent
population:
295.734.134 (july 2005 est.)
age structure:
0-14 years: 20.6% (male 31.095.725/female 29.703.997) 15-64 years: 67% (male 98.914.382/female 99.324.126) 65 years and over: 12.4% (male 15.298.676/female 21.397.228) (2005 est.)
median age:
total: 36.27 years male: 34.94 years female: 37.6 years (2005 est.)
population growth rate:
0.92% (2005 est.)
birth rate:
14.14 births/1.000 population (2005 est.)
death rate:
8.25 deaths/1.000 population (2005 est.)
net migration rate:
3.31 migrant(s)/1.000 population (2005 est.)
sex ratio:
at birth: 1.05 male(s)/female under 15 years: 1.05 male(s)/female 15-64 years: 1 male(s)/female 65 years and over: 0.72 male(s)/female total population: 0.97 male(s)/female (2005 est.)
infant mortality rate:
total: 6.5 deaths/1.000 live births male: 7.17 deaths/1.000 live births female: 5.8 deaths/1.000 live births (2005 est.)
life expectancy at birth:
total population: 77.71 years male: 74.89 years female: 80.67 years (2005 est.)
total fertility rate:
2.08 children born/woman (2005 est.)
hiv/aids - adult prevalence rate:
0.6% (2003 est.)
hiv/aids - people living with hiv/aids:
950.000 (2003 est.)
hiv/aids - deaths:
14.000 (2003 est.)
nationality:
noun: american(s) adjective: american
ethnic groups:
white 81.7%. black 12.9%. asian 4.2%. amerindian and alaska native 1%. native hawaiian and other pacific islander 0.2% (2003 est.) note: a separate listing for hispanic is not included because the us census bureau considers hispanic to mean a person of latin american descent (including persons of cuban. mexican. or puerto rican origin) living in the us who may be of any race or ethnic group (white. black. asian. etc.)
religions:
protestant 52%. roman catholic 24%. mormon 2%. jewish 1%. muslim 1%. other 10%. none 10% (2002 est.)
languages:
english 82.1%. spanish 10.7%. other indo-european 3.8%. asian and pacific island 2.7%. other 0.7% (2000 census)
literacy:
definition: age 15 and over can read and write total population: 97% male: 97% female: 97% (1999 est.)
country name:
conventional long form: united states of america conventional short form: united states abbreviation: us or usa
government type:
constitution-based federal republic; strong democratic tradition
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