| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 33,727,458 | 12 | people per km2 |
| Bolivia | South America | 1,083,301 | 6,824,625 | 6 | people per km2 |
| Brazil | South America | 8,358,140 | 153,548,966 | 18 | people per km2 |
| Chile | South America | 743,812 | 13,434,020 | 18 | people per km2 |
| Colombia | South America | 1,038,700 | 34,319,510 | 33 | people per km2 |
| Ecuador | South America | 276,841 | 10,454,977 | 38 | people per km2 |
| Guyana | South America | 196,849 | 746,760 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 4,425,653 | 11 | people per km2 |
| Peru | South America | 1,279,996 | 22,323,477 | 17 | people per km2 |
| Suriname | South America | 156,000 | 410,657 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,069,755 | 18 | people per km2 |
| Venezuela | South America | 882,050 | 20,621,666 | 23 | people per km2 |