| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 38,221,715 | 14 | people per km2 |
| Bolivia | South America | 1,083,301 | 8,649,356 | 8 | people per km2 |
| Brazil | South America | 8,358,140 | 180,416,359 | 22 | people per km2 |
| Chile | South America | 743,812 | 15,598,082 | 21 | people per km2 |
| Colombia | South America | 1,038,700 | 40,124,439 | 39 | people per km2 |
| Ecuador | South America | 276,841 | 13,066,654 | 47 | people per km2 |
| Guyana | South America | 196,849 | 761,147 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 5,704,534 | 14 | people per km2 |
| Peru | South America | 1,279,996 | 26,567,286 | 21 | people per km2 |
| Suriname | South America | 156,000 | 485,855 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,208,807 | 18 | people per km2 |
| Venezuela | South America | 882,050 | 25,373,901 | 29 | people per km2 |