| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 47,673,178 | 17 | people per km2 |
| Bolivia | South America | 1,083,301 | 12,712,847 | 12 | people per km2 |
| Brazil | South America | 8,358,140 | 218,979,001 | 26 | people per km2 |
| Chile | South America | 743,812 | 18,825,053 | 25 | people per km2 |
| Colombia | South America | 1,038,700 | 51,595,845 | 50 | people per km2 |
| Ecuador | South America | 276,841 | 18,129,497 | 65 | people per km2 |
| Guyana | South America | 196,849 | 787,850 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 7,716,587 | 19 | people per km2 |
| Peru | South America | 1,279,996 | 33,504,216 | 26 | people per km2 |
| Suriname | South America | 156,000 | 643,214 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,412,221 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 34,617,591 | 39 | people per km2 |