| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 50,177,593 | 18 | people per km2 |
| Bolivia | South America | 1,083,301 | 13,938,673 | 13 | people per km2 |
| Brazil | South America | 8,358,140 | 226,352,234 | 27 | people per km2 |
| Chile | South America | 743,812 | 19,336,805 | 26 | people per km2 |
| Colombia | South America | 1,038,700 | 53,915,542 | 52 | people per km2 |
| Ecuador | South America | 276,841 | 19,392,617 | 70 | people per km2 |
| Guyana | South America | 196,849 | 832,185 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 8,227,624 | 21 | people per km2 |
| Peru | South America | 1,279,996 | 35,070,015 | 27 | people per km2 |
| Suriname | South America | 156,000 | 678,199 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,449,982 | 20 | people per km2 |
| Venezuela | South America | 882,050 | 36,830,215 | 42 | people per km2 |