| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 46,624,605 | 17 | people per km2 |
| Bolivia | South America | 1,083,301 | 12,228,952 | 11 | people per km2 |
| Brazil | South America | 8,358,140 | 215,462,936 | 26 | people per km2 |
| Chile | South America | 743,812 | 18,536,295 | 25 | people per km2 |
| Colombia | South America | 1,038,700 | 50,467,793 | 49 | people per km2 |
| Ecuador | South America | 276,841 | 17,589,028 | 64 | people per km2 |
| Guyana | South America | 196,849 | 769,151 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 7,484,299 | 19 | people per km2 |
| Peru | South America | 1,279,996 | 32,764,514 | 26 | people per km2 |
| Suriname | South America | 156,000 | 627,980 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,388,671 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 33,644,615 | 38 | people per km2 |