| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 51,527,750 | 19 | people per km2 |
| Bolivia | South America | 1,083,301 | 14,645,727 | 14 | people per km2 |
| Brazil | South America | 8,358,140 | 228,982,612 | 27 | people per km2 |
| Chile | South America | 743,812 | 19,487,382 | 26 | people per km2 |
| Colombia | South America | 1,038,700 | 54,855,154 | 53 | people per km2 |
| Ecuador | South America | 276,841 | 20,028,549 | 72 | people per km2 |
| Guyana | South America | 196,849 | 850,739 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 8,457,851 | 21 | people per km2 |
| Peru | South America | 1,279,996 | 35,765,045 | 28 | people per km2 |
| Suriname | South America | 156,000 | 694,238 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,465,105 | 20 | people per km2 |
| Venezuela | South America | 882,050 | 37,921,907 | 43 | people per km2 |