| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 41,042,823 | 15 | people per km2 |
| Bolivia | South America | 1,083,301 | 9,876,869 | 9 | people per km2 |
| Brazil | South America | 8,358,140 | 194,587,165 | 23 | people per km2 |
| Chile | South America | 743,812 | 16,671,942 | 22 | people per km2 |
| Colombia | South America | 1,038,700 | 43,953,841 | 42 | people per km2 |
| Ecuador | South America | 276,841 | 14,712,617 | 53 | people per km2 |
| Guyana | South America | 196,849 | 729,567 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 6,348,331 | 16 | people per km2 |
| Peru | South America | 1,279,996 | 28,691,777 | 22 | people per km2 |
| Suriname | South America | 156,000 | 543,548 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,264,088 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 28,298,759 | 32 | people per km2 |