| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 40,615,654 | 15 | people per km2 |
| Bolivia | South America | 1,083,301 | 9,704,679 | 9 | people per km2 |
| Brazil | South America | 8,358,140 | 192,787,113 | 23 | people per km2 |
| Chile | South America | 743,812 | 16,516,172 | 22 | people per km2 |
| Colombia | South America | 1,038,700 | 43,430,085 | 42 | people per km2 |
| Ecuador | South America | 276,841 | 14,494,509 | 52 | people per km2 |
| Guyana | South America | 196,849 | 732,955 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 6,263,937 | 16 | people per km2 |
| Peru | South America | 1,279,996 | 28,389,659 | 22 | people per km2 |
| Suriname | South America | 156,000 | 536,053 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,256,208 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 27,889,303 | 32 | people per km2 |