Population in South America · 2025
What country in South America has the most people?
Brazil has the most people in South America, with a population of 212.8 million.
| # | Country | Share of #1 | Population |
|---|---|---|---|
| 1 |  Brazil | 212,812,405 | |
| 2 |  Colombia | 53,425,635 | |
| 3 |  Argentina | 45,851,378 | |
| 4 |  Peru | 34,576,665 | |
| 5 |  Venezuela | 28,516,896 | |
| 6 |  Chile | 19,859,921 | |
| 7 |  Ecuador | 18,289,896 | |
| 8 |  Bolivia | 12,581,843 | |
| 9 |  Paraguay | 7,013,078 | |
| 10 |  Uruguay | 3,384,688 | |
| 11 |  Guyana | 835,986 | |
| 12 |  Suriname | 639,850 |
No country matches.
Key facts
Questions
What country in South America has the most people?
Brazil has the most people in South America, with a population of 212.8 million.
What country in South America has the second most people?
Colombia ranks second in South America, with 53.4 million people.
How many countries are in this ranking?
12 countries in South America with data from World Bank (2025). Territories are not ranked.