| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 44,754,775 | 16 | people per km2 |
| Bolivia | South America | 1,083,301 | 11,403,803 | 11 | people per km2 |
| Brazil | South America | 8,358,140 | 208,874,759 | 25 | people per km2 |
| Chile | South America | 743,812 | 17,949,092 | 24 | people per km2 |
| Colombia | South America | 1,038,700 | 48,336,310 | 47 | people per km2 |
| Ecuador | South America | 276,841 | 16,620,067 | 60 | people per km2 |
| Guyana | South America | 196,849 | 738,922 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 7,074,833 | 18 | people per km2 |
| Peru | South America | 1,279,996 | 31,378,827 | 25 | people per km2 |
| Suriname | South America | 156,000 | 600,592 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,344,218 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 31,866,461 | 36 | people per km2 |