| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 43,148,099 | 16 | people per km2 |
| Bolivia | South America | 1,083,301 | 10,731,062 | 10 | people per km2 |
| Brazil | South America | 8,358,140 | 202,925,459 | 24 | people per km2 |
| Chile | South America | 743,812 | 17,409,491 | 23 | people per km2 |
| Colombia | South America | 1,038,700 | 46,462,373 | 45 | people per km2 |
| Ecuador | South America | 276,841 | 15,791,867 | 57 | people per km2 |
| Guyana | South America | 196,849 | 724,802 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 6,752,615 | 17 | people per km2 |
| Peru | South America | 1,279,996 | 30,195,288 | 24 | people per km2 |
| Suriname | South America | 156,000 | 576,598 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,307,685 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 30,325,754 | 34 | people per km2 |