| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 39,443,871 | 14 | people per km2 |
| Bolivia | South America | 1,083,301 | 9,179,642 | 8 | people per km2 |
| Brazil | South America | 8,358,140 | 186,940,326 | 22 | people per km2 |
| Chile | South America | 743,812 | 16,048,801 | 22 | people per km2 |
| Colombia | South America | 1,038,700 | 41,810,704 | 40 | people per km2 |
| Ecuador | South America | 276,841 | 13,834,050 | 50 | people per km2 |
| Guyana | South America | 196,849 | 746,951 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 5,995,073 | 15 | people per km2 |
| Peru | South America | 1,279,996 | 27,490,177 | 21 | people per km2 |
| Suriname | South America | 156,000 | 510,535 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,232,239 | 18 | people per km2 |
| Venezuela | South America | 882,050 | 26,640,901 | 30 | people per km2 |