| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 51,775,643 | 19 | people per km2 |
| Bolivia | South America | 1,083,301 | 14,780,410 | 14 | people per km2 |
| Brazil | South America | 8,358,140 | 229,318,525 | 27 | people per km2 |
| Chile | South America | 743,812 | 19,504,206 | 26 | people per km2 |
| Colombia | South America | 1,038,700 | 54,997,404 | 53 | people per km2 |
| Ecuador | South America | 276,841 | 20,140,940 | 73 | people per km2 |
| Guyana | South America | 196,849 | 853,517 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 8,496,705 | 21 | people per km2 |
| Peru | South America | 1,279,996 | 35,879,533 | 28 | people per km2 |
| Suriname | South America | 156,000 | 696,835 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,466,438 | 20 | people per km2 |
| Venezuela | South America | 882,050 | 38,111,970 | 43 | people per km2 |