| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 49,590,833 | 18 | people per km2 |
| Bolivia | South America | 1,083,301 | 13,641,741 | 13 | people per km2 |
| Brazil | South America | 8,358,140 | 224,848,830 | 27 | people per km2 |
| Chile | South America | 743,812 | 19,242,624 | 26 | people per km2 |
| Colombia | South America | 1,038,700 | 53,430,052 | 51 | people per km2 |
| Ecuador | South America | 276,841 | 19,104,238 | 69 | people per km2 |
| Guyana | South America | 196,849 | 822,539 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 8,116,724 | 20 | people per km2 |
| Peru | South America | 1,279,996 | 34,732,849 | 27 | people per km2 |
| Suriname | South America | 156,000 | 670,406 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,443,813 | 20 | people per km2 |
| Venezuela | South America | 882,050 | 36,329,819 | 41 | people per km2 |