The Largest Countries in South America

By Joseph Kiprop on May 31 2018 in World Facts

Brazil is the largest country in South America by land area.
Brazil is the largest country in South America by land area.

South America has a total land area of about 6,877,000 square miles which is equivalent to one-eighth of the Earth’s land surface. Below is an outline of the largest South American countries by land area.

The Largest Countries In South America


Brazil is the largest country in South America. In fact, occupying half of the continent’s landmass, Brazil is the fifth largest country in the world with a land area of 3,287,956 square miles. Officially called the Federal Republic of Brazil, it occupies approximately half of the landmass of South America. Facing the Atlantic Ocean with a 4,655 mile long coastline, Brazil also has high inland borders with a majority of the South America countries. Taking the shape of an irregular triangle, Brazil occupies a diverse range of subtropical and tropical landscapes including the low mountain areas, savannahs, and wetlands while lacking in high mountains, deserts, and arctic environments.


The Argentine Republic is the official name of the second largest country in South America which occupies a land area of 1,073,500 square miles. It is a federal republic with a bicameral legislature including the Senate and chambers of deputies. The capital city of the Argentine Republic is currently Buenos Aires and the official language of communication in Spanish. Argentina has a population of 44,052,000 people and a population density of 15.8 people per square mile. Argentina has the 3rd largest population in South America and the 33rd largest globally. The country has immense forest cover, plains and the famous tourist attractions along with miles and miles of ocean shorelines.


Located on the western side of South America, Peru is the third largest country in South America with a land area of 496,225 square miles. Bordering Colombia, Ecuador, Brazil and Bolivia, Peru is a biodiverse nation with vast plains, coastal regions and rainforest. With a population of 31,826,018 people, Peru has a population density of 59 people per square mile. Classified as an upper-middle-income economy by the World Bank, Peru’s economic growth has been tied to its exports and booming service industry.


Located on the northern side of South America, Colombia is the fourth largest country in South America with a land area of 440,831 square miles. Filled with natural resources such as natural gas, emeralds, hydropower, gold and copper among others, the country has growing economic environment ready for investors. The population distribution has a majority of the people living on the northern side and western region of the country where the capital city of Bogota is situated. On the southern and eastern side of Colombia are vast grasslands of llanos. With a population of 47,698,524 people, the country has a 1 % growth rate with 77% of the total population living in urban areas.

The Largest Continent in the World

When the continents are divided into seven, South America ranks as the fourth largest continent. Asia is the largest continent, followed by Africa, North America, South America, Antarctica, Europe, and Australia.

The Largest Countries in South America

RankCountryLand Area (Kilometers)
1 Brazil8,515,799
2 Argentina2,780,400
3 Peru1,285,216
4 Colombia1,141,748
5 Bolivia1,098,581
6 Venezuela916,445
7 Chile756,102
8 Paraguay406,750
9 Ecuador276,841
10 Guyana214,969
11 Uruguay181,034
12 Suriname163,820

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