| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 48,660,521 | 18 | people per km2 |
| Bolivia | South America | 1,083,301 | 13,184,183 | 12 | people per km2 |
| Brazil | South America | 8,358,140 | 222,143,168 | 27 | people per km2 |
| Chile | South America | 743,812 | 19,060,565 | 26 | people per km2 |
| Colombia | South America | 1,038,700 | 52,585,037 | 51 | people per km2 |
| Ecuador | South America | 276,841 | 18,636,352 | 67 | people per km2 |
| Guyana | South America | 196,849 | 806,020 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 7,929,040 | 20 | people per km2 |
| Peru | South America | 1,279,996 | 34,161,134 | 27 | people per km2 |
| Suriname | South America | 156,000 | 657,450 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,431,150 | 20 | people per km2 |
| Venezuela | South America | 882,050 | 35,513,212 | 40 | people per km2 |