The Western Hemisphere, or the Americas as they are commonly known, is composed by North America and South America, covering an area of 8,3% of the Earth's total surface and an estimated population of around 900 million or 13,5% of the total.
South America is the fourth largest continent in the world with aprox. 17,849,00 square km. (6,890,000 square miles) and a population of 371,090,000, estimated by 2005.
Connected through the isthmus of Panama to its northern counterpart, it is bordered by the Pacific ocean to the West and Atlantic ocean to the North and East. The Caribbean sea lie to the NW.

South America broke off from the West of the supercontinent Gondwanaland around 135 million years ago.
It is politically divided into twelve sovereign states: Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Suriname, Uruguay and Venezuela, plus the overseas administration of French Guiana.
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Predominant languages spoken in South America are Spanish and Portuguese (Portuguese is the official language of Brazil, biggest country in the continent).
There are small enclaves of other spoken languages such as French (French Guiana), English (Suriname and Falkland Islands - also known as Islas Malvinas) and Dutch, official language of Suriname.
As for native, indigenous languages, we find predominantly Aymara (around 2.2 million speakers) in the Andean region of Bolivia and Peru, Guarani (up to 6 million speakers) in Argentina, Bolivia, Brazil and Paraguay and the largest: Quechua, with some 10-13 million speakers spread over NW Argentina, Northern Chile, Ecuador, Bolivia and Peru.
Religious faith in South America is predominantly represented by Roman Catholicism - around 93% of the total population, followed by Protestantism and Judaism (Argentina has the largest Jewish community).
There are some indigenous religions in the Andean region, embracing NW Argentina, northern Chile, Bolivia, Ecuador and Peru.
Brazil, on the other hand, has many African and afro-derived religions.