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North America is a continent in the Earth's northern hemisphere and almost fully in the western hemisphere. It is bordered on the north by the Arctic Ocean, on the east by the North Atlantic Ocean, on the southeast by the Caribbean Sea, and on the south and west by the North Pacific Ocean; South America lies to the southeast. It covers an area of about 24,490,000 km² (9,450,000 sq mi), or about 4.8% of the planet's surface. As of July 2005, its population was estimated at over 514,000,000. It is the third-largest continent in area, after Asia and Africa, and is fourth in population after Asia, Africa, and Europe.

Contents 1 Etymology 2 Geography and extent 2.1 Physical geography 2.2 Human geography 3 Countries and territories 4 Usage of the term 5 See also 6 Sources 7 External links

Etymology

North and South America are widely accepted as having been named after Amerigo Vespucci by the German cartographer Martin Waldseemüller. Vespucci was the first European to suggest that the Americas were not the East Indies, but a new world, previously undiscovered by Europeans.

The second and less generally accepted theory is that the continents are named after an English merchant named Richard Amerike from Bristol, who is believed to have financed John Cabot's voyage of discovery from England to Newfoundland in 1497. A minutely explored belief that has been advanced is that America was named for a Spanish sailor bearing the ancient Visigothic name of 'Amairick'. Another is that the name is rooted in an American Indian language. [5]

Geography and extent

North America occupies the northern portion of the landmass generally referred to as the New World, the Western hemisphere, the Americas, or simply America. North America's only land connection is to South America at the narrow Isthmus of Panama. (Geopolitically, all of Panama—including the segment east of the Panama Canal in the isthmus—is often considered a part of North America alone.) According to some authorities, North America begins not at the Isthmus of Panama but at the Isthmus of Tehuantepec, Mexico with the intervening region called Central America (or Middle America if the Caribbean is included) and resting on the Caribbean Plate. Before the Central American isthmus was raised, the region had been underwater. The islands of the West Indies delineate a submerged former land bridge, which had connected North America and South America via Florida.

The continental coastline is long and irregular. The Gulf of Mexico is the largest body of water indenting the continent, followed by Hudson Bay. Others include the Gulf of Saint Lawrence and the Gulf of California.

There are numerous islands off the continent’s coasts: principally, the Arctic Archipelago, the Greater and Lesser Antilles, the Alexander Archipelago, and the Aleutian Islands. Greenland, a Danish self-governing island and the world's largest, is part of North America geographically and on the same tectonic plate (the North American Plate) but is not considered to be part of the continent politically. Bermuda is not part of the Americas, but is an oceanic island formed on the fissure of the Mid-Atlantic Ridge. The nearest landmass to it is Cape Hatteras, North Carolina, and it is often thought of as part of North America, especially given its historical political and cultural ties to Virginia and other parts of the continent.

Physical geography

The vast majority of North America is on the North American Plate. Parts of California and western Mexico form the partial edge of the Pacific Plate, with the two plates meeting along the San Andreas fault.

The continent can be divided into four great regions (each of which contains many sub-regions): the Great Plains stretching from the Gulf of Mexico to the Canadian Arctic; the geologically young, mountainous west, including the Rocky Mountains, the Great Basin, California and Alaska; the raised but relatively flat plateau of the Canadian Shield in the northeast; and the varied eastern region, which includes the Appalachian Mountains, the coastal plain along the Atlantic seaboard, and the Florida peninsula. Mexico, with its long plateaus and cordilleras, falls largely in the western region, although the eastern coastal plain does extend south along the Gulf.

The western mountains are split in the middle, into the main range of the Rockies and the coast ranges in California, Oregon, Washington, and British Columbia with the Great Basin – a lower area containing smaller ranges and low-lying deserts – in between. The highest peak is Denali in Alaska.

The United States Geographical Survey states that the geographic center of North America is “6 miles west of Balta, Pierce County, North Dakota” at approximately 48° 10′North, 100° 10′West, approximately 15 miles (25 km) from Rugby, North Dakota. The USGS further states that “No marked or monumented point has been established by any government agency as the geographic center of either the 50 States, the conterminous United States, or the North American continent.” Nonetheless, there is a 15 foot (4.5 m) field stone obelisk in Rugby claiming to mark the center.

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Human geography

The most spoken languages in North America are English, Spanish and French. Belize, Canada, the United States, the anglophone Caribbean, and the other English-speaking nations of South America are sometimes grouped under the term Anglo-America and included in the Anglosphere. The Central American nations, Mexico and the Spanish-speaking Caribbean and the other South American countries where Romance languages prevail, namely Spanish, Portuguese and French, are referred to as Latin America. This usage has entered into common parlance, although "Anglo-America" remains largely unknown to most people.

The French language has, historically played a significant role in North America and remains a distinctive presence in some regions. Canada has two official languages; French is the official language of the province of Quebec, and, along with English, one of the two official languages of the province of New Brunswick. Other French-speaking locales include: Haiti, Dominica, Saint Lucia, the French West Indies, Saint-Pierre and Miquelon and Martinique.

Socially and culturally, North America presents a well defined entity. Canada and the United States have a shared culture and similar traditions as a result of both countries being former U.K. colonies. A common cultural and economic market has been developed between the two nations because of the strong economic and historical ties. Spanish-speaking North America shares a common past as former Spanish colonies and in the Central American countries and Mexico where civilizations like the Maya developed, indigenous people preserve similar traditions. Central American and Spanish-speaking Caribbean nations have historically had more in common due to geographical proximity and the fact that, after winning independence from Spain, Mexico never took part in an effort to build a Central American Union.

Economically, Canada and the United States are the wealthiest and most developed nations in the continent; the countries of Central America and the Caribbean much less developed, while Mexico – a newly industrialised country – lies between these two extremes. The most important trade blocs are the Caribbean Community and Common Market (CARICOM), the North American Free Trade Agreement (NAFTA), and the recently signed Central American Free Trade Agreement (CAFTA) – the last of these being an example of the economic integration sought by the nations of this subregion as a way to improve their financial status.

Demographically, North America is a racially and ethnically diverse continent. Its three main ethnic groups are Whites, Mestizos and African-Americans.^{[citation needed]} There is a significant minority of Amerindians and Chinese among other less numerous groups.

Countries and territories

Data included are per sources in cross-referenced articles. Where they differ, provisos are clearly indicated.

North America is often divided into subregions but no universally agreed upon divisions exist. Central America extends from the south end of continental North America but the northern terminus varies between sources. The UN includes Mexico in Central America while most other definitions of the region do not, e.g., the European Union excludes Belize and Mexico from the area. The term Middle America is sometimes used to refer to Mexico, Central America, and the Caribbean collectively.

Northern America is used to refer to the northern countries and territories of North America: Canada, the United States, Greenland, Bermuda, and St. Pierre and Miquelon.

The Caribbean is used to refer to the islands around the Gulf of Mexico and the Caribbean Sea.

Name of region and territory, with flag	Area (km²)	Population (1 July 2005 est.)	Population density (per km²)	Capital
Anguilla (UK)	102	13,254	129.9	The Valley
Antigua and Barbuda	443	68,722	155.1	St. John's
Aruba (Netherlands)[1]	193	71,566	370.8	Oranjestad
Bahamas	13,940	301,790	21.6	Nassau
Barbados	431	279,254	647.9	Bridgetown
Belize	22,966	279,457	12.2	Belmopan
Bermuda (UK)	53	65,365	1,233.3	Hamilton
British Virgin Islands (UK)	153	22,643	148.0	Road Town
Canada	9,984,670	32,805,041	3.3	Ottawa
Cayman Islands (UK)	262	44,270	169.0	George Town
Costa Rica	51,100	4,016,173	78.6	San José
Cuba	110,860	11,346,670	102.4	Havana
Dominica	754	69,029	91.6	Roseau
Dominican Republic	48,730	8,950,034	183.7	Santo Domingo
El Salvador	21,040	6,704,932	318.7	San Salvador
Greenland (Denmark)	2,166,086	56,375	0.026	Nuuk
Grenada	344	89,502	260.2	St. George's
Guadeloupe (France)	1,780	448,713	252.1	Basse-Terre
Guatemala	108,890	14,655,189	134.6	Guatemala City
Haiti	27,750	8,121,622	292.7	Port-au-Prince
Honduras	112,090	6,975,204	62.2	Tegucigalpa
Jamaica	10,991	2,731,832	248.6	Kingston
Martinique (France)	1,100	432,900	393.5	Fort-de-France
Mexico[2]	1,972,550	106,202,903	53.8	Mexico City
Montserrat (UK)	102	9,341	91.6	Plymouth; Brades[3]
Navassa Island (USA)	5	—	—	—
Netherlands Antilles (Netherlands)[1]	960	219,958	229.1	Willemstad
Nicaragua	129,494	5,465,100	42.2	Managua
Panama[4]	52,853	2,498,717	47.3	Panama City
Puerto Rico (USA)	9,104	3,916,632	430.2	San Juan
Saint Kitts and Nevis	261	38,958	149.3	Basseterre
Saint Lucia	616	166,312	270.0	Castries
Saint-Pierre and Miquelon (France)	242	7,012	29.0	Saint-Pierre
Saint Vincent and the Grenadines	389	117,534	302.1	Kingstown
Trinidad and Tobago[1]	5,128	1,088,644	212.3	Port of Spain
Turks and Caicos Islands (UK)	430	20,556	47.8	Cockburn Town
United States[5]	9,629,091	295,734,134	30.7	Washington, D.C.
U.S. Virgin Islands (USA)	352	108,708	308.8	Charlotte Amalie
Total	24,486,305	514,144,046	21.0

Notes:

Usage of the term

"North America" may mean different things to different people in the world according to the context:

• In Canada and the United States, the term is sometimes used to refer only to those two countries.
• In Latin America, Iberia, and some other parts of Europe, the Americas are often considered a single continent. Under such circumstances, North America is considered a subcontinent.

See also

• Americas (terminology)
• Discoverer of the Americas
• Economy of North America
• European colonization of the Americas
• History of North America
• Birds of North America

Sources

External links

• http://www.america-norte.com/america-norte-mapa.htm
• http://www.earth-puzzle.com clickable map with links to related Wikipedia articles
• http://www.geographicguide.com/caribbean-map.htm Map of Central America and the Caribbean

Continents of the world
Africa-Eurasia							Americas							Eurasia
Africa			Antarctica			Asia			Australia			Europe			North America			South America
Geological supercontinents :  Gondwana · Laurasia · Pangaea · Pannotia · Rodinia · Columbia · Kenorland · Ur · Vaalbara
Mythical and theorised continents :  Atlantis · Lemuria · Mu · Terra Australis

Regions of the world
	Africa	Central · Eastern · Northern · Southern · Western
	Americas	Caribbean · Central · Latin · North · Northern · South
	Asia	Central · Eastern · Northern · Southern · Southeastern · Western
	Europe	Central · Eastern · Northern · Southern · Western
	Oceania	Australasia · Melanesia · Micronesia · Polynesia
	Polar	Arctic · Antarctic
	Oceans	Pacific · Atlantic · Indian  · Southern  · Arctic

nrm:Améthique du Nordzh-yue:北美洲