| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 43,558,291 | 16 | people per km2 |
| Bolivia | South America | 1,083,301 | 10,899,890 | 10 | people per km2 |
| Brazil | South America | 8,358,140 | 204,467,087 | 24 | people per km2 |
| Chile | South America | 743,812 | 17,548,931 | 24 | people per km2 |
| Colombia | South America | 1,038,700 | 46,941,595 | 45 | people per km2 |
| Ecuador | South America | 276,841 | 16,002,652 | 58 | people per km2 |
| Guyana | South America | 196,849 | 726,630 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 6,831,438 | 17 | people per km2 |
| Peru | South America | 1,279,996 | 30,492,523 | 24 | people per km2 |
| Suriname | South America | 156,000 | 582,743 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,316,798 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 30,720,386 | 35 | people per km2 |