| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 38,635,873 | 14 | people per km2 |
| Bolivia | South America | 1,083,301 | 8,826,137 | 8 | people per km2 |
| Brazil | South America | 8,358,140 | 182,669,905 | 22 | people per km2 |
| Chile | South America | 743,812 | 15,750,369 | 21 | people per km2 |
| Colombia | South America | 1,038,700 | 40,693,808 | 39 | people per km2 |
| Ecuador | South America | 276,841 | 13,359,614 | 48 | people per km2 |
| Guyana | South America | 196,849 | 758,620 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 5,803,708 | 15 | people per km2 |
| Peru | South America | 1,279,996 | 26,882,329 | 21 | people per km2 |
| Suriname | South America | 156,000 | 494,027 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,217,024 | 18 | people per km2 |
| Venezuela | South America | 882,050 | 25,796,530 | 29 | people per km2 |