| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 49,287,600 | 18 | people per km2 |
| Bolivia | South America | 1,083,301 | 13,490,604 | 12 | people per km2 |
| Brazil | South America | 8,358,140 | 224,004,127 | 27 | people per km2 |
| Chile | South America | 743,812 | 19,187,594 | 26 | people per km2 |
| Colombia | South America | 1,038,700 | 53,163,833 | 51 | people per km2 |
| Ecuador | South America | 276,841 | 18,952,756 | 68 | people per km2 |
| Guyana | South America | 196,849 | 817,267 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 8,057,074 | 20 | people per km2 |
| Peru | South America | 1,279,996 | 34,551,126 | 27 | people per km2 |
| Suriname | South America | 156,000 | 666,249 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,440,357 | 20 | people per km2 |
| Venezuela | South America | 882,050 | 36,066,232 | 41 | people per km2 |