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South America is the world’s fourth largest continent and home to more than 450 million people. The present-day population of South America is primarily derived from four broad groups: Indigenous Americans, who were the pre-Columbian inhabitants; Iberians (Spanish and Portuguese who conquered and dominated the continent until the beginning of the 19th century); enslaved people taken from Africa by the colonizers during the transatlantic slave trade; and, finally, postindependence immigrants from overseas, especially from Italy and Germany as well as Lebanon, South Asia, China, and Japan. Spanish is the official language everywhere except in Brazil (Portuguese), French Guiana (French), Guyana (English), and Suriname (Dutch). Indigenous languages are also widely spoken, with some having official status, as in Paraguay (Guaraní), Peru (Quechua, Aymara), and Bolivia (36 Indigenous languages, according to the 2009 constitution). Large urban populations dominate much of the continent today, though Indigenous and rural communities continue to play an important cultural and political role across the region.

Countries of South America

country capital population
Argentina Buenos Aires (2026 est.) 47,914,000
Bolivia La Paz/Sucre (2026 est.) 11,559,000
Brazil Brasília (2026 est.) 222,968,000
Chile Santiago (2026 est.) 18,795,000
Colombia Bogotá (2026 est.) 53,667,000
Ecuador Quito (2026 est.) 17,809,000
French Guiana (département of France) Cayenne (2026 est.) 293,200
Guyana Georgetown (2026 est.) 838,100
Paraguay Asunción (2026 est.) 6,299,000
Peru Lima (2026 est.) 34,666,000
Suriname Paramaribo (2026 est.) 658,200
Uruguay Montevideo (2026 est.) 3,545,000
Venezuela Caracas (2026 est.) 34,838,000