| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 50,738,272 | 19 | people per km2 |
| Bolivia | South America | 1,083,301 | 14,227,910 | 13 | people per km2 |
| Brazil | South America | 8,358,140 | 227,596,054 | 27 | people per km2 |
| Chile | South America | 743,812 | 19,410,942 | 26 | people per km2 |
| Colombia | South America | 1,038,700 | 54,337,792 | 52 | people per km2 |
| Ecuador | South America | 276,841 | 19,661,497 | 71 | people per km2 |
| Guyana | South America | 196,849 | 840,563 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 8,327,406 | 21 | people per km2 |
| Peru | South America | 1,279,996 | 35,372,883 | 28 | people per km2 |
| Suriname | South America | 156,000 | 685,256 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,457,836 | 20 | people per km2 |
| Venezuela | South America | 882,050 | 37,294,534 | 42 | people per km2 |