United States: Statistics

Economy 
Budget Expenditures $3.52 trillion (2009 est.)
Budget revenues $2.10 trillion (2009 )
Debt - external $13.45 trillion (2009 )
Note: approximately 4/5ths of US external debt is denominated in US dollars; foreign lenders have been willing to hold US dollar denominated debt instruments because they view the dollar as the worlds reserve currency
Distribution Of Family Income - GINI Index 45% (2007 )
Electricity Consumption 3.87 trillion kWh (2008 est.)
Electricity Exports 24.08 billion kWh (2008 est.)
Electricity Imports 57.02 billion kWh (2008 est.)
Electricity Production 4.11 trillion kWh (2008 est.)
Exports $1.05 trillion (2009 est.)
GDP - purchasing power parity $14.14 trillion (2009 est.)
Note: data are in 2009 US dollars
GDP - real growth rate -2.6% (2009 est.)
Imports $1.56 trillion (2009 est.)
Industrial production growth rate -5.5% (2009 est.)
Inflation rate (consumer prices) -0.3% (2009 est.)
Labor force 154.20 million (2009 )
Note: includes unemployed
Natural Gas Consumption 646.60 billion cu m (2009 est.)
Natural Gas Exports 30.35 billion cu m (2009 est.)
Natural Gas Imports 106.10 billion cu m (2009 est.)
Natural Gas Production 593.40 billion cu m (2009 est.)
Natural Gas Proved Reserves 6.73 trillion cu m (2009 est.)
Oil Consumption 18.69 million bbl/day (2009 est.)
Oil Exports 1.43 million bbl/day (2008 est.)
Oil Imports 13.47 million bbl/day (2008 est.)
Oil Production 9.06 million bbl/day (2009 est.)
Oil Proved Reserves 21.32 billion bbl (2009 est.)
Unemployment rate 9.3% (2009 est.)
People 
HIV/AIDS - Adult Prevalence Rate 0.6% (2007 est.)
Infant mortality rate 6 deaths per 1,000 live births (2010 )
Population 307,212,123 (2010 est.)
Population Below Poverty Line 12% (2004 est.)
Population growth rate 0.977% (2010 est.)
Total fertility rate 2 children per woman (2010 est.)
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
Nationality:
noun: American(s) adjective: American
Religions:
Protestant 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.)
Languages:
English 82.1%, Spanish 10.7%, other Indo-European 3.8%, Asian and Pacific island 2.7%, other 0.7% (2000 census) note: Hawaiian is an official language in the state of Hawaii
Geography 
Location:
North America, bordering both the North Atlantic Ocean and the North Pacific Ocean, between Canada and Mexico
Area
Total:9,826,675 sq. km
Land:9,161,966 sq. km
Water:664,709 sq. km
Coastline: 19,924 km
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 6,198 m
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
International Organization Participation:
ADB (nonregional member), AfDB (nonregional member), ANZUS, APEC, Arctic Council, ARF, ASEAN (dialogue partner), Australia Group, BIS, BSEC (observer), CBSS (observer), CE (observer), CERN (observer), CP, EAPC, EBRD, FAO, G-20, G-5, G-7, G-8, G-10, IADB, IAEA, IBRD, ICAO, ICC, ICCt (signatory), ICRM, IDA, IEA, IFAD, IFC, IFRCS, IHO, ILO, IMF, IMO, IMSO, Interpol, IOC, IOM, ISO, ITSO, ITU, ITUC, MIGA, MINUSTAH, NAFTA, NATO, NEA, NSG, OAS, OECD, OPCW, OSCE, Paris Club, PCA, PIF (partner), SAARC (observer), SECI (observer), SPC, UN, UN Security Council, UNCTAD, UNESCO, UNHCR, UNITAR, UNMIL, UNRWA, UNTSO, UPU, WCL, WCO, WFTU, WHO, WIPO, WMO, WTO, ZC
Technology 
Airports 15,079 (2010 )
Cellular Telephones 270,000,000 (2008 )
Highways 6,506,204 (2008 )
Internet Hosts 383,000,000 (2009 )
Note: the US Internet total host count includes the following top level domain host addresses: .us, .com, .edu, .gov, .mil, .net, and .org
Internet Users 231,000,000 (2008 )
Railways 226,427 (2007 )
Telephones 150,000,000 (2008 )

Sources:

CIA World Factbook

Glossary

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