| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 33,262,099 | 12 | people per km2 |
| Bolivia | South America | 1,083,301 | 6,666,873 | 6 | people per km2 |
| Brazil | South America | 8,358,140 | 151,046,557 | 18 | people per km2 |
| Chile | South America | 743,812 | 13,196,511 | 18 | people per km2 |
| Colombia | South America | 1,038,700 | 33,636,436 | 32 | people per km2 |
| Ecuador | South America | 276,841 | 10,258,630 | 37 | people per km2 |
| Guyana | South America | 196,849 | 747,227 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 4,302,402 | 11 | people per km2 |
| Peru | South America | 1,279,996 | 21,859,868 | 17 | people per km2 |
| Suriname | South America | 156,000 | 409,341 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,057,968 | 17 | people per km2 |
| Venezuela | South America | 882,050 | 20,174,149 | 23 | people per km2 |