| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 37,040,526 | 14 | people per km2 |
| Bolivia | South America | 1,083,301 | 8,126,034 | 8 | people per km2 |
| Brazil | South America | 8,358,140 | 173,239,713 | 21 | people per km2 |
| Chile | South America | 743,812 | 15,102,291 | 20 | people per km2 |
| Colombia | South America | 1,038,700 | 38,493,424 | 37 | people per km2 |
| Ecuador | South America | 276,841 | 12,325,808 | 45 | people per km2 |
| Guyana | South America | 196,849 | 766,521 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 5,395,397 | 14 | people per km2 |
| Peru | South America | 1,279,996 | 25,568,811 | 20 | people per km2 |
| Suriname | South America | 156,000 | 461,272 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,179,531 | 18 | people per km2 |
| Venezuela | South America | 882,050 | 24,098,997 | 27 | people per km2 |