5 Most Populated Countries in South America

3. Argentina 

Population as of 2022: 46,234,830 people

Argentina covers a significant portion of the southern part of South America. Its area makes it the second-largest country in South America and the third-largest in terms of population. It houses 46,234,830 people as of 2022, according to estimates by the World Bank. Its area also makes it the eighth-largest country in the world.