| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 45,896,253 | 17 | people per km2 |
| Bolivia | South America | 1,083,301 | 11,900,431 | 11 | people per km2 |
| Brazil | South America | 8,358,140 | 212,934,278 | 25 | people per km2 |
| Chile | South America | 743,812 | 18,315,275 | 25 | people per km2 |
| Colombia | South America | 1,038,700 | 49,648,097 | 48 | people per km2 |
| Ecuador | South America | 276,841 | 17,210,717 | 62 | people per km2 |
| Guyana | South America | 196,849 | 756,807 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 7,321,851 | 18 | people per km2 |
| Peru | South America | 1,279,996 | 32,229,799 | 25 | people per km2 |
| Suriname | South America | 156,000 | 617,287 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,371,218 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 32,955,233 | 37 | people per km2 |