| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 34,601,242 | 13 | people per km2 |
| Bolivia | South America | 1,083,301 | 7,146,156 | 7 | people per km2 |
| Brazil | South America | 8,358,140 | 158,499,892 | 19 | people per km2 |
| Chile | South America | 743,812 | 13,891,609 | 19 | people per km2 |
| Colombia | South America | 1,038,700 | 35,648,671 | 34 | people per km2 |
| Ecuador | South America | 276,841 | 10,960,719 | 40 | people per km2 |
| Guyana | South America | 196,849 | 748,906 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 4,676,646 | 12 | people per km2 |
| Peru | South America | 1,279,996 | 23,219,999 | 18 | people per km2 |
| Suriname | South America | 156,000 | 418,484 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,095,223 | 18 | people per km2 |
| Venezuela | South America | 882,050 | 21,509,866 | 24 | people per km2 |