United States Population

Factbook > Countries > United States > Demographics

Population: no indigenous inhabitants
note: public entry is only by special-use permit from US Fish and Wildlife Service and generally restricted to scientists and educators; visited annually by US Fish and Wildlife Service
Jarvis Island: Millersville settlement on western side of island occasionally used as a weather station from 1935 until World War II, when it was abandoned; reoccupied in 1957 during the International Geophysical Year by scientists who left in 1958; currently unoccupied
Johnston Atoll: in previous years, an average of 1,100 US military and civilian contractor personnel were present; as of May 2005, all US Government personnel had left the island
Midway Islands: approximately 40 people make up the staff of US Fish and Wildlife Service and their services contractor living at the atoll
Palmyra Atoll: four to 20 Nature Conservancy, US Fish and Wildlife staff, and researchers

Definition: This entry gives an estimate from the US Bureau of the Census based on statistics from population censuses, vital statistics registration systems, or sample surveys pertaining to the recent past and on assumptions about future trends. The total population presents one overall measure of the potential impact of the country on the world and within its region. Note: Starting with the 1993 Factbook, demographic estimates for some countries (mostly African) have explicitly taken into account the effects of the growing impact of the HIV/AIDS epidemic. These countries are currently: The Bahamas, Benin, Botswana, Brazil, Burkina Faso, Burma, Burundi, Cambodia, Cameroon, Central African Republic, Democratic Republic of the Congo, Republic of the Congo, Cote d'Ivoire, Ethiopia, Gabon, Ghana, Guyana, Haiti, Honduras, Kenya, Lesotho, Malawi, Mozambique, Namibia, Nigeria, Rwanda, South Africa, Swaziland, Tanzania, Thailand, Togo, Uganda, Zambia, and Zimbabwe.

Source: CIA World Factbook - This page was last updated on October 8, 2016

See Also

Related Data From the International Monetary Fund

Variable: Population

Note: For census purposes, the total population of the country consists of all persons falling within the scope of the census. In the broadest sense, the total may comprise either all usual residents of the country or all persons present in the country at the time of the census. [Principles and Recommendations for Population and Housing Censuses, Revision 1, paragraph 2.42]

Units: Persons

Scale: Millions

Country-specific Note: Source: National Statistical Office Latest actual data: 2014 Primary domestic currency: U.S. dollar Data last updated: 03/2015

Source: International Monetary Fund, World Economic Outlook Database, April 2015

YearPopulationPercent Change
1980227.622 
1981229.9161.01 %
1982232.1280.96 %
1983234.2470.91 %
1984236.3070.88 %
1985238.4160.89 %
1986240.5930.91 %
1987242.7510.90 %
1988244.9680.91 %
1989247.2860.95 %
1990250.0471.12 %
1991253.3921.34 %
1992256.7771.34 %
1993260.1461.31 %
1994263.3251.22 %
1995266.4581.19 %
1996269.5811.17 %
1997272.8221.20 %
1998276.0221.17 %
1999279.1951.15 %
2000282.2961.11 %
2001285.2161.03 %
2002288.0190.98 %
2003290.7330.94 %
2004293.3890.91 %
2005296.1150.93 %
2006298.930.95 %
2007301.9030.99 %
2008304.7180.93 %
2009307.3740.87 %
2010309.7610.78 %
2011312.0750.75 %
2012314.4020.75 %
2013316.7420.74 %
2014319.0470.73 %

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