| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 53,097,964 | 19 | people per km2 |
| Bolivia | South America | 1,083,301 | 15,542,802 | 14 | people per km2 |
| Brazil | South America | 8,358,140 | 230,121,428 | 28 | people per km2 |
| Chile | South America | 743,812 | 19,520,076 | 26 | people per km2 |
| Colombia | South America | 1,038,700 | 55,558,689 | 53 | people per km2 |
| Ecuador | South America | 276,841 | 20,712,609 | 75 | people per km2 |
| Guyana | South America | 196,849 | 865,617 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 8,690,265 | 22 | people per km2 |
| Peru | South America | 1,279,996 | 36,406,326 | 28 | people per km2 |
| Suriname | South America | 156,000 | 708,203 | 5 | people per km2 |
| Uruguay | South America | 175,015 | 3,464,022 | 20 | people per km2 |
| Venezuela | South America | 882,050 | 39,048,771 | 44 | people per km2 |