| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 46,980,673 | 17 | people per km2 |
| Bolivia | South America | 1,083,301 | 12,391,514 | 11 | people per km2 |
| Brazil | South America | 8,358,140 | 216,670,398 | 26 | people per km2 |
| Chile | South America | 743,812 | 18,638,459 | 25 | people per km2 |
| Colombia | South America | 1,038,700 | 50,858,155 | 49 | people per km2 |
| Ecuador | South America | 276,841 | 17,772,662 | 64 | people per km2 |
| Guyana | South America | 196,849 | 775,373 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 7,563,588 | 19 | people per km2 |
| Peru | South America | 1,279,996 | 33,019,699 | 26 | people per km2 |
| Suriname | South America | 156,000 | 633,168 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,396,977 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 33,977,250 | 39 | people per km2 |