| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 46,263,287 | 17 | people per km2 |
| Bolivia | South America | 1,083,301 | 12,065,071 | 11 | people per km2 |
| Brazil | South America | 8,358,140 | 214,217,107 | 26 | people per km2 |
| Chile | South America | 743,812 | 18,428,385 | 25 | people per km2 |
| Colombia | South America | 1,038,700 | 50,064,052 | 48 | people per km2 |
| Ecuador | South America | 276,841 | 17,401,605 | 63 | people per km2 |
| Guyana | South America | 196,849 | 762,937 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 7,403,575 | 19 | people per km2 |
| Peru | South America | 1,279,996 | 32,500,921 | 25 | people per km2 |
| Suriname | South America | 156,000 | 622,675 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,380,036 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 33,303,801 | 38 | people per km2 |