United States: Statistics

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People  Source: The World Bank
Population 318,857,056 (2014)
Population Growth Rate 0.743 annual % (2014)
Age Dependency Ratio 50.256 % of working-age population (2014)
Urban Population 81.447 % of total (2014)
Infant Mortality Rate 5.6 per 1,000 live births (2015)
Life Expectancy at Birth 78.941 years (2014)
Age distribution - % of total population (2014);
Energy Source: U.S. Energy Information Administration
    Production 4,047,766,230,000 kWh (2012)
    Consumption 3,832,307,230,000 kWh (2012)
    Exports 11,284,000,000 kWh (2013)
    Imports 63,612,000,000 kWh (2013)
    Renewable Electricity Generation 508,360,230,000 kWh (2012)
    Production 12,342,767.12 bbl/day (2013)
    Consumption 18,961,128.45 bbl/day (2013)
    Exports (Refined) 3,137,349.73 bbl/day (2012)
    Imports (Refined) 2,071,303.28 bbl/day (2012)
    Proved Reserves (Crude) 36,520,000,000 bbl (2014)
    Production (Gross) 29,542,000,000,000 cu ft (2012)
    Consumption (Dry) 26,037,000,000,000 cu ft (2013)
    Exports (Dry) 1,572,000,000,000 cu ft (2013)
    Imports (Dry) 2,883,000,000,000 cu ft (2013)
    Proved Reserves 338,264,000,000,000 cu ft (2014)
Technology & Infrastructure  Source: CIA World Factbook
Airports 15,079 (2010 )
Cellular Telephones 2,903,000 (2011 )
Highways 6,506,204 km (2008 )
Internet Hosts 505,000,000 (2012 )
Internet Users 245,000,000 (2009 )
Railways 224,792 km (2010 )
Telephones 146,000,000 (2011 )
Geography & Environment Source: CIA World Factbook
LocationNorth America, bordering both the North Atlantic Ocean and the North Pacific Ocean, between Canada and Mexico
Total Area9,826,675 sq. km
Land Area9,161,966 sq. km
Water Area664,709 sq. km
Coastline19,924 km
Climatemostly 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
Terrainvast central plain, mountains in west, hills and low mountains in east; rugged mountains and broad river valleys in Alaska; rugged, volcanic topography in Hawaii
Lowest PointDeath Valley -86 m
Highest Point Denali 6,198 m

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