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Compare United States (2003) - Southern Ocean (2008)

Compare United States (2003) z Southern Ocean (2008)

 United States (2003)Southern Ocean (2008)
 United StatesSouthern Ocean
Administrative divisions 50 states and 1 district*; Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia*, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming -
Age structure 0-14 years: 20.9% (male 31,098,473; female 29,675,712)


15-64 years: 66.7% (male 96,628,469; female 97,061,559)


65 years and over: 12.4% (male 14,888,185; female 20,990,156) (2003 est.)
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Agriculture - products wheat, corn, other grains, fruits, vegetables, cotton; beef, pork, poultry, dairy products; forest products; fish -
Airports 14,801 (2002) -
Airports - with paved runways total: 5,131


over 3,047 m: 185


2,438 to 3,047 m: 222


1,524 to 2,437 m: 1,365


914 to 1,523 m: 2,390


under 914 m: 969 (2002)
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Airports - with unpaved runways total: 9,670


over 3,047 m: 1


2,438 to 3,047 m: 7


1,524 to 2,437 m: 158


914 to 1,523 m: 1,702


under 914 m: 7,802 (2002)
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Area total: 9,629,091 sq km


land: 9,158,960 sq km


water: 470,131 sq km


note: includes only the 50 states and District of Columbia
total: 20.327 million sq km


note: includes Amundsen Sea, Bellingshausen Sea, part of the Drake Passage, Ross Sea, a small part of the Scotia Sea, Weddell Sea, and other tributary water bodies
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; about two and a half times the size of Western Europe slightly more than twice the size of the US
Background Britain's American colonies broke with the mother country in 1776 and were recognized as the new nation of the United States of America following the Treaty of Paris in 1783. During the 19th and 20th centuries, 37 new states were added to the original 13 as the nation expanded across the North American continent and acquired a number of overseas possessions. The two most traumatic experiences in the nation's history were the Civil War (1861-65) and the Great Depression of the 1930s. Buoyed by victories in World Wars I and II and the end of the Cold War in 1991, the US remains the world's most powerful nation-state. The economy is marked by steady growth, low unemployment and inflation, and rapid advances in technology. A large body of recent oceanographic research has shown that the Antarctic Circumpolar Current (ACC), an ocean current that flows from west to east around Antarctica, plays a crucial role in global ocean circulation. The region where the cold waters of the ACC meet and mingle with the warmer waters of the north defines a distinct border - the Antarctic Convergence - which fluctuates with the seasons, but which encompasses a discrete body of water and a unique ecologic region. The Convergence concentrates nutrients, which promotes marine plant life, and which in turn allows for a greater abundance of animal life. In the spring of 2000, the International Hydrographic Organization decided to delimit the waters within the Convergence as a fifth world ocean - the Southern Ocean - by combining the southern portions of the Atlantic Ocean, Indian Ocean, and Pacific Ocean. The Southern Ocean extends from the coast of Antarctica north to 60 degrees south latitude, which coincides with the Antarctic Treaty Limit and which approximates the extent of the Antarctic Convergence. As such, the Southern Ocean is now the fourth largest of the world's five oceans (after the Pacific Ocean, Atlantic Ocean, and Indian Ocean, but larger than the Arctic Ocean). It should be noted that inclusion of the Southern Ocean does not imply recognition of this feature as one of the world's primary oceans by the US Government.
Birth rate 14.14 births/1,000 population (2003 est.) -
Budget revenues: $1.946 trillion


expenditures: $2.052 trillion, including capital expenditures of NA (2002 est.)
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Capital Washington, DC -
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 sea temperatures vary from about 10 degrees Celsius to -2 degrees Celsius; cyclonic storms travel eastward around the continent and frequently are intense because of the temperature contrast between ice and open ocean; the ocean area from about latitude 40 south to the Antarctic Circle has the strongest average winds found anywhere on Earth; in winter the ocean freezes outward to 65 degrees south latitude in the Pacific sector and 55 degrees south latitude in the Atlantic sector, lowering surface temperatures well below 0 degrees Celsius; at some coastal points intense persistent drainage winds from the interior keep the shoreline ice-free throughout the winter
Coastline 19,924 km 17,968 km
Constitution 17 September 1787, effective 4 March 1789 -
Country name conventional long form: United States of America


conventional short form: United States


abbreviation: US or USA
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Currency US dollar (USD) -
Death rate 8.44 deaths/1,000 population (2003 est.) -
Debt - external $862 billion (1995 est.) -
Dependent areas American Samoa, Baker Island, Guam, Howland Island, Jarvis Island, Johnston Atoll, Kingman Reef, Midway Islands, Navassa Island, Northern Mariana Islands, Palmyra Atoll, Puerto Rico, Virgin Islands, Wake Island


note: from 18 July 1947 until 1 October 1994, the US administered the Trust Territory of the Pacific Islands, but recently entered into a new political relationship with all four political units: the Northern Mariana Islands is a commonwealth in political union with the US (effective 3 November 1986); Palau concluded a Compact of Free Association with the US (effective 1 October 1994); the Federated States of Micronesia signed a Compact of Free Association with the US (effective 3 November 1986); the Republic of the Marshall Islands signed a Compact of Free Association with the US (effective 21 October 1986)
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Disputes - international prolonged drought in the Mexico border region has strained water-sharing arrangements; 1990 Maritime Boundary Agreement in the Bering Sea awaits Russian Duma ratification; maritime boundary disputes with Canada at Dixon Entrance, Beaufort Sea, Strait of Juan de Fuca, and around the disputed Machias Seal Island and North Rock; The Bahamas have not been able to agree on a maritime boundary; US Naval Base at Guantanamo Bay is leased from Cuba and only mutual agreement or US abandonment of the area can terminate the lease; Haiti claims Navassa Island; US has made no territorial claim in Antarctica (but has reserved the right to do so) and does not recognize the claims of any other state; Marshall Islands claims Wake Island Antarctic Treaty defers claims (see Antarctica entry), but Argentina, Australia, Chile, France, NZ, Norway, and UK assert claims (some overlapping), including the continental shelf in the Southern Ocean; several states have expressed an interest in extending those continental shelf claims under the United Nations Convention on the Law of the Sea (UNCLOS) to include undersea ridges; the US and most other states do not recognize the land or maritime claims of other states and have made no claims themselves (the US and Russia have reserved the right to do so); no formal claims exist in the waters in the sector between 90 degrees west and 150 degrees west
Economic aid - donor ODA, $6.9 billion (1997) -
Economy - overview The US has the largest and most technologically powerful economy in the world, with a per capita GDP of $37,600. In this market-oriented economy, private individuals and business firms make most of the decisions, and the federal and state governments buy needed goods and services predominantly in the private marketplace. US business firms enjoy considerably greater flexibility than their counterparts in Western Europe and Japan in decisions to expand capital plant, lay off surplus workers, and develop new products. At the same time, they face higher barriers to entry in their rivals' home markets than the barriers to entry of foreign firms in US markets. US firms are at or near the forefront in technological advances, especially in computers and in medical, aerospace, and military equipment, although their advantage has narrowed since the end of World War II. The onrush of technology largely explains the gradual development of a "two-tier labor market" in which those at the bottom lack the education and the professional/technical skills of those at the top and, more and more, fail to get comparable pay raises, health insurance coverage, and other benefits. Since 1975, practically all the gains in household income have gone to the top 20% of households. The years 1994-2000 witnessed solid increases in real output, low inflation rates, and a drop in unemployment to below 5%. The year 2001 saw the end of boom psychology and performance, with output increasing only 0.3% and unemployment and business failures rising substantially. The response to the terrorist attacks of 11 September 2001 showed the remarkable resilience of the economy. Moderate recovery took place in 2002, with the GDP growth rate rising to 2.45%. A major short-term problem in first half 2002 was a sharp decline in the stock market, fueled in part by the exposure of dubious accounting practices in some major corporations. The war in March/April 2003 between a US-led coalition and Iraq shifted resources to military industries and introduced uncertainties about investment and employment in other sectors of the economy. Long-term problems include inadequate investment in economic infrastructure, rapidly rising medical and pension costs of an aging population, sizable trade deficits, and stagnation of family income in the lower economic groups. Fisheries in 2003-04 landed 136,262 metric tons, of which 87% (118,166 tons) was krill and 8% (11,182 tons) Patagonian toothfish, compared to 142,555 tons in 2002-03 of which 83% (117,728 tons) was krill and 12% (16,479 tons) Patagonian toothfish (estimated fishing from the area covered by the Convention of the Conservation of Antarctic Marine Living Resources (CCAMLR), which extends slightly beyond the Southern Ocean area). International agreements were adopted in late 1999 to reduce illegal, unreported, and unregulated fishing, which in the 2000-01 season landed, by one estimate, 8,376 metric tons of Patagonian and Antarctic toothfish. In the 2004-05 Antarctic summer, 28,202 tourists, most of them seaborne (approximately 97%), visited the Southern Ocean and Antarctica, compared to 14,762 in 1999-2000.
Electricity - consumption 3.602 trillion kWh (2001) -
Electricity - exports 18.17 billion kWh (2001) -
Electricity - imports 38.48 billion kWh (2001) -
Electricity - production 3.719 trillion kWh (2001) -
Electricity - production by source fossil fuel: 71.4%


hydro: 5.6%


nuclear: 20.7%


other: 2.3% (2001)
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Elevation extremes lowest point: Death Valley -86 m


highest point: Mount McKinley 6,194 m
lowest point: -7,235 m at the southern end of the South Sandwich Trench


highest point: sea level 0 m
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; very limited natural fresh water resources in much of the western part of the country require careful management; desertification increased solar ultraviolet radiation resulting from the Antarctic ozone hole in recent years, reducing marine primary productivity (phytoplankton) by as much as 15% and damaging the DNA of some fish; illegal, unreported, and unregulated fishing in recent years, especially the landing of an estimated five to six times more Patagonian toothfish than the regulated fishery, which is likely to affect the sustainability of the stock; large amount of incidental mortality of seabirds resulting from long-line fishing for toothfish


note: the now-protected fur seal population is making a strong comeback after severe overexploitation in the 18th and 19th centuries
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, Nuclear Test Ban, 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
the Southern Ocean is subject to all international agreements regarding the world's oceans; in addition, it is subject to these agreements specific to the Antarctic region: International Whaling Commission (prohibits commercial whaling south of 40 degrees south [south of 60 degrees south between 50 degrees and 130 degrees west]); Convention on the Conservation of Antarctic Seals (limits sealing); Convention on the Conservation of Antarctic Marine Living Resources (regulates fishing)


note: many nations (including the US) prohibit mineral resource exploration and exploitation south of the fluctuating Polar Front (Antarctic Convergence), which is in the middle of the Antarctic Circumpolar Current and serves as the dividing line between the cold polar surface waters to the south and the warmer waters to the north
Ethnic groups white 77.1%, black 12.9%, Asian 4.2%, Amerindian and Alaska native 1.5%, native Hawaiian and other Pacific islander 0.3%, other 4% (2000)


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.)
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Exchange rates British pounds per US dollar - 0.6661 (2002), 0.6944 (2001), 0.6596 (2000), 0.6180 (1999), 0.6037 (1998), Canadian dollars per US dollar - 1.5693 (2002), 1.5488 (2001), 1.4851 (2000), 1.4857 (1999), 1.4835 (1998), Japanese yen per US dollar - 125.39 (2002), 121.53 (2001), 107.77 (2000), 113.91 (1999), 130.91 (1998), euros per US dollar - 1.0626 (2002), 1.1175 (2001), 1.08540 (2000), 0.93863 (1999)


note: financial institutions in France, Italy, and Germany and eight other European countries started using the euro on 1 January 1999 with the euro replacing the local currency in consenting countries for all transactions in 2002
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Executive branch chief of state: President George W. BUSH (since 20 January 2001) and Vice President Richard B. CHENEY (since 20 January 2001); note - the president is both the chief of state and head of government


head of government: President George W. BUSH (since 20 January 2001) and Vice President Richard B. CHENEY (since 20 January 2001); note - the president is both the chief of state and head of government


cabinet: Cabinet appointed by the president with Senate approval


elections: president and vice president elected on the same ticket by a college of representatives who are elected directly from each state; president and vice president serve four-year terms; election last held 7 November 2000 (next to be held 2 November 2004)


election results: George W. BUSH elected president; percent of popular vote - George W. BUSH (Republican Party) 48%, Albert A. GORE, Jr. (Democratic Party) 48%, Ralph NADER (Green Party) 3%, other 1%
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Exports NA (2001) -
Exports - commodities capital goods, automobiles, industrial supplies and raw materials, consumer goods, agricultural products -
Exports - partners Canada 23.2%, Mexico 14.1%, Japan 7.4%, UK 4.8% (2002) -
Fiscal year 1 October - 30 September -
Flag description thirteen equal horizontal stripes of red (top and bottom) alternating with white; there is a blue rectangle in the upper hoist-side corner bearing 50 small, white, five-pointed stars arranged in nine offset horizontal rows of six stars (top and bottom) alternating with rows of five stars; the 50 stars represent the 50 states, the 13 stripes represent the 13 original colonies; known as Old Glory; the design and colors have been the basis for a number of other flags, including Chile, Liberia, Malaysia, and Puerto Rico -
GDP purchasing power parity - $10.45 trillion (2002 est.) -
GDP - composition by sector agriculture: 2%


industry: 18%


services: 80% (2002 est.)
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GDP - per capita purchasing power parity - $36,300 (2002 est.) -
GDP - real growth rate 2.4% (2002 est.) -
Geographic coordinates 38 00 N, 97 00 W 60 00 S, 90 00 E (nominally), but the Southern Ocean has the unique distinction of being a large circumpolar body of water totally encircling the continent of Antarctica; this ring of water lies between 60 degrees south latitude and the coast of Antarctica and encompasses 360 degrees of longitude
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 the major chokepoint is the Drake Passage between South America and Antarctica; the Polar Front (Antarctic Convergence) is the best natural definition of the northern extent of the Southern Ocean; it is a distinct region at the middle of the Antarctic Circumpolar Current that separates the cold polar surface waters to the south from the warmer waters to the north; the Front and the Current extend entirely around Antarctica, reaching south of 60 degrees south near New Zealand and near 48 degrees south in the far South Atlantic coinciding with the path of the maximum westerly winds
Heliports 149 (2002) -
Highways total: 6,334,859 km


paved: 3,737,567 km (including 89,426 km of expressways)


unpaved: 2,597,292 km (2000)
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Household income or consumption by percentage share lowest 10%: 1.8%


highest 10%: 30.5% (1997)
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Illicit drugs consumer of cocaine shipped from Colombia through Mexico and the Caribbean; consumer of heroin, marijuana, and increasingly methamphetamine from Mexico; consumer of high-quality Southeast Asian heroin; illicit producer of cannabis, marijuana, depressants, stimulants, hallucinogens, and methamphetamine; money-laundering center -
Imports NA (2001) -
Imports - commodities crude oil and refined petroleum products, machinery, automobiles, consumer goods, industrial raw materials, food and beverages -
Imports - partners Canada 17.8%, Mexico 11.3%, China 11.1%, Japan 10.4%, Germany 5.3% (2002) -
Independence 4 July 1776 (from Great Britain) -
Industrial production growth rate -0.4% (2002 est.) -
Industries leading industrial power in the world, highly diversified and technologically advanced; petroleum, steel, motor vehicles, aerospace, telecommunications, chemicals, electronics, food processing, consumer goods, lumber, mining -
Infant mortality rate total: 6.75 deaths/1,000 live births


male: 7.46 deaths/1,000 live births


female: 6.02 deaths/1,000 live births (2003 est.)
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Inflation rate (consumer prices) 1.6% (2002) -
International organization participation AfDB, ANZUS, APEC, ARF (dialogue partner), AsDB, ASEAN (dialogue partner), Australia Group, BIS, CE (observer), CERN (observer), CP, EAPC, EBRD, ECE, ECLAC, ESCAP, FAO, G-5, G-7, G- 8, G-10, IADB, IAEA, IBRD, ICAO, ICC, ICCt (signatory), ICFTU, ICRM, IDA, IEA, IFAD, IFC, IFRCS, IHO, ILO, IMF, IMO, Interpol, IOC, IOM, ISO, ITU, MINURSO, MIPONUH, NAM (guest), NATO, NEA, NSG, OAS, OECD, OPCW, OSCE, PCA, SPC, UN, UN Security Council, UNCTAD, UNHCR, UNIKOM, UNITAR, UNMEE, UNMIBH, UNMIK, UNMISET, UNMOVIC, UNOMIG, UNRWA, UNTSO, UNU, UPU, WCL, WCO, WHO, WIPO, WMO, WTrO, ZC -
Internet Service Providers (ISPs) 7,000 (2002 est.) -
Irrigated land 214,000 sq km (1998 est.) -
Judicial branch Supreme Court (its nine justices are appointed for life by the president with confirmation by the Senate); United States Courts of Appeal; United States District Courts; State and County Courts -
Labor force 141.8 million (includes unemployed) (2001) -
Labor force - by occupation managerial and professional 31%, technical, sales and administrative support 28.9%, services 13.6%, manufacturing, mining, transportation, and crafts 24.1%, farming, forestry, and fishing 2.4%


note: figures exclude the unemployed (2001)
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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 thus remains part of Cuba; the base boundary is 29 km
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Land use arable land: 19.32%


permanent crops: 0.22%


other: 80.46% (1998 est.)
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Languages English, Spanish (spoken by a sizable minority) -
Legal system based on English common law; judicial review of legislative acts; accepts compulsory ICJ jurisdiction, with reservations -
Legislative branch bicameral Congress consists of the Senate (100 seats, one-third are renewed every two years; two members are elected from each state by popular vote to serve six-year terms) and the House of Representatives (435 seats; members are directly elected by popular vote to serve two-year terms)


elections: Senate - last held 5 November 2002 (next to be held NA November 2004); House of Representatives - last held 5 November 2002 (next to be held NA November 2004)


election results: Senate - percent of vote by party - NA%; seats by party - Republican Party 51, Democratic Party 48, independent 1; House of Representatives - percent of vote by party - NA%; seats by party - Republican Party 226, Democratic Party 204, independent 1, undecided 4
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Life expectancy at birth total population: 77.14 years


male: 74.37 years


female: 80.05 years (2003 est.)
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Literacy definition: age 15 and over can read and write


total population: 97%


male: 97%


female: 97% (1979 est.)
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Location North America, bordering both the North Atlantic Ocean and the North Pacific Ocean, between Canada and Mexico body of water between 60 degrees south latitude and Antarctica
Map references North America Antarctic Region
Maritime claims contiguous zone: 24 NM


continental shelf: not specified


exclusive economic zone: 200 NM


territorial sea: 12 NM
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Merchant marine total: 348 ships (1,000 GRT or over) 9,414,676 GRT/12,207,346 DWT


ships by type: barge carrier 2, bulk 71, cargo 26, chemical tanker 13, combination bulk 2, combination ore/oil 1, container 79, freighter 15, heavy lift carrier 3, passenger/cargo 1, petroleum tanker 73, refrigerated cargo 3, roll on/roll off 46, short-sea passenger 2, specialized tanker 2, vehicle carrier 9


note: includes some foreign-owned ships registered here as a flag of convenience: Australia 1, Canada 4, Denmark 15, France 1, Germany 1, Netherlands 3, Norway 7, Puerto Rico 4, Singapore 11, Sweden 1, United Kingdom 3; also, the US owns 549 additional ships (1,000 GRT or over) totaling 29,616,347 DWT that operate under the registries of Antigua and Barbuda, Australia, The Bahamas, Belize, Bermuda, Cambodia, Canada, Cayman Islands, Cyprus, Finland, Gibraltar, Hong Kong (China), Indonesia, Isle of Man, Italy, Liberia, Malta, Marshall Islands, Netherlands, Norway, Norway (NIS), Panama, Peru, Philippines, Saint Vincent and the Grenadines, Singapore, Tonga, UK, Vanuatu, and Wallis and Futuna (2002 est.)
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Military - note note: 2002 estimates for military manpower are based on projections that do not take into consideration the results of the 2000 census -
Military branches Army, Navy and Marine Corps, Air Force, and Coast Guard (Coast Guard administered in peacetime by the Department of Homeland Security but in wartime reports to the Department of the Navy) -
Military expenditures - dollar figure $276.7 billion (FY99 est.) -
Military expenditures - percent of GDP 3.2% (FY99 est.) -
Military manpower - availability males age 15-49: 73,597,731 (2003 est.) -
Military manpower - fit for military service NA -
Military manpower - military age 18 years of age (2003 est.) -
Military manpower - reaching military age annually males: 2,116,002 (2003 est.) -
National holiday Independence Day, 4 July (1776) -
Nationality noun: American(s)


adjective: American
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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 huge icebergs with drafts up to several hundred meters; smaller bergs and iceberg fragments; sea ice (generally 0.5 to 1 m thick) with sometimes dynamic short-term variations and with large annual and interannual variations; deep continental shelf floored by glacial deposits varying widely over short distances; high winds and large waves much of the year; ship icing, especially May-October; most of region is remote from sources of search and rescue
Natural resources coal, copper, lead, molybdenum, phosphates, uranium, bauxite, gold, iron, mercury, nickel, potash, silver, tungsten, zinc, petroleum, natural gas, timber probable large and possible giant oil and gas fields on the continental margin, manganese nodules, possible placer deposits, sand and gravel, fresh water as icebergs; squid, whales, and seals - none exploited; krill, fish
Net migration rate 3.52 migrant(s)/1,000 population (2003 est.) -
People - note data for the US are based on projections that do not take into consideration the results of the 2000 census -
Pipelines petroleum products 244,620 km; natural gas 548,665 km (2003) -
Political parties and leaders Democratic Party [Terence McAULIFFE]; Green Party [leader NA]; Libertarian Party [Steve DASBACH]; Republican Party [Governor Marc RACICOT] -
Political pressure groups and leaders NA -
Population 290,342,554 (July 2003 est.) -
Population below poverty line 12.7% (2001 est.) -
Population growth rate 0.92% (2003 est.) -
Ports and harbors Anchorage, Baltimore, Boston, Charleston, Chicago, Duluth, Hampton Roads, Honolulu, Houston, Jacksonville, Los Angeles, New Orleans, New York, Philadelphia, Port Canaveral, Portland (Oregon), Prudhoe Bay, San Francisco, Savannah, Seattle, Tampa, Toledo -
Radio broadcast stations AM 4,762, FM 5,542, shortwave 18 (1998) -
Railways total: 194,731 km mainline routes


standard gauge: 194,731 km 1.435-m gauge


note: represents the aggregate length of roadway of all line-haul railroads including an estimate for class II and III railroads; excludes 135,185 km of yard tracks, sidings, and parallel lines (2000)
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Religions Protestant 56%, Roman Catholic 28%, Jewish 2%, other 4%, none 10% (1989) -
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: 0.71 male(s)/female


total population: 0.97 male(s)/female (2003 est.)
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Suffrage 18 years of age; universal -
Telephone system general assessment: a very large, technologically advanced, multipurpose communications system


domestic: a large system of fiber-optic cable, microwave radio relay, coaxial cable, and domestic satellites carries every form of telephone traffic; a rapidly growing cellular system carries mobile telephone traffic throughout the country


international: 24 ocean cable systems in use; satellite earth stations - 61 Intelsat (45 Atlantic Ocean and 16 Pacific Ocean), 5 Intersputnik (Atlantic Ocean region), and 4 Inmarsat (Pacific and Atlantic Ocean regions) (2000)
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Telephones - main lines in use 194 million (1997) -
Telephones - mobile cellular 69.209 million (1998) -
Television broadcast stations more than 1,500 (including nearly 1,000 stations affiliated with the five major networks - NBC, ABC, CBS, FOX, and PBS; in addition, there are about 9,000 cable TV systems) (1997) -
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 the Southern Ocean is deep, 4,000 to 5,000 m over most of its extent with only limited areas of shallow water; the Antarctic continental shelf is generally narrow and unusually deep, its edge lying at depths of 400 to 800 m (the global mean is 133 m); the Antarctic icepack grows from an average minimum of 2.6 million sq km in March to about 18.8 million sq km in September, better than a sixfold increase in area; the Antarctic Circumpolar Current (21,000 km in length) moves perpetually eastward; it is the world's largest ocean current, transporting 130 million cubic meters of water per second - 100 times the flow of all the world's rivers
Total fertility rate 2.07 children born/woman (2003 est.) -
Transportation - note - Drake Passage offers alternative to transit through the Panama Canal
Unemployment rate 5.8% (2002) -
Waterways 41,009 km


note: navigable inland channels, exclusive of the Great Lakes
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