| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 36,635,183 | 13 | people per km2 |
| Bolivia | South America | 1,083,301 | 7,956,730 | 7 | people per km2 |
| Brazil | South America | 8,358,140 | 170,761,464 | 20 | people per km2 |
| Chile | South America | 743,812 | 14,920,542 | 20 | people per km2 |
| Colombia | South America | 1,038,700 | 38,077,691 | 37 | people per km2 |
| Ecuador | South America | 276,841 | 12,139,014 | 44 | people per km2 |
| Guyana | South America | 196,849 | 765,505 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 5,289,028 | 13 | people per km2 |
| Peru | South America | 1,279,996 | 25,220,970 | 20 | people per km2 |
| Suriname | South America | 156,000 | 453,227 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,167,109 | 18 | people per km2 |
| Venezuela | South America | 882,050 | 23,676,466 | 27 | people per km2 |