South America

People, Countries, and Cities

Where is South America’s population clustered

The population of South America is approximately 371 million (23 percent higher than the United States). In South America, much of the population is found along the Atlantic Coast. Brazil’s Atlantic coast is home to two of the world’s largest urban areas—São Paulo (18.84 million people) and Rio de Janeiro (11.75 million people). Buenos Aires, Argentina (12.8 million people), is also a major urban area on the Atlantic coast.


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