| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 44,361,704 | 16 | people per km2 |
| Bolivia | South America | 1,083,301 | 11,236,555 | 10 | people per km2 |
| Brazil | South America | 8,358,140 | 207,444,069 | 25 | people per km2 |
| Chile | South America | 743,812 | 17,819,084 | 24 | people per km2 |
| Colombia | South America | 1,038,700 | 47,879,346 | 46 | people per km2 |
| Ecuador | South America | 276,841 | 16,417,049 | 59 | people per km2 |
| Guyana | South America | 196,849 | 733,660 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 6,992,873 | 18 | people per km2 |
| Peru | South America | 1,279,996 | 31,084,856 | 24 | people per km2 |
| Suriname | South America | 156,000 | 594,749 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,335,060 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 31,490,489 | 36 | people per km2 |