| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 36,232,089 | 13 | people per km2 |
| Bolivia | South America | 1,083,301 | 7,790,231 | 7 | people per km2 |
| Brazil | South America | 8,358,140 | 168,291,979 | 20 | people per km2 |
| Chile | South America | 743,812 | 14,725,820 | 20 | people per km2 |
| Colombia | South America | 1,038,700 | 37,716,512 | 36 | people per km2 |
| Ecuador | South America | 276,841 | 11,959,556 | 43 | people per km2 |
| Guyana | South America | 196,849 | 759,786 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 5,177,966 | 13 | people per km2 |
| Peru | South America | 1,279,996 | 24,859,061 | 19 | people per km2 |
| Suriname | South America | 156,000 | 444,694 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,154,339 | 18 | people per km2 |
| Venezuela | South America | 882,050 | 23,249,688 | 26 | people per km2 |