| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 41,896,532 | 15 | people per km2 |
| Bolivia | South America | 1,083,301 | 10,219,839 | 9 | people per km2 |
| Brazil | South America | 8,358,140 | 198,041,932 | 24 | people per km2 |
| Chile | South America | 743,812 | 16,975,219 | 23 | people per km2 |
| Colombia | South America | 1,038,700 | 44,978,892 | 43 | people per km2 |
| Ecuador | South America | 276,841 | 15,146,772 | 55 | people per km2 |
| Guyana | South America | 196,849 | 725,068 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 6,512,902 | 16 | people per km2 |
| Peru | South America | 1,279,996 | 29,296,107 | 23 | people per km2 |
| Suriname | South America | 156,000 | 557,352 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,280,578 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 29,114,347 | 33 | people per km2 |