| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 45,522,485 | 17 | people per km2 |
| Bolivia | South America | 1,083,301 | 11,735,283 | 11 | people per km2 |
| Brazil | South America | 8,358,140 | 211,616,159 | 25 | people per km2 |
| Chile | South America | 743,812 | 18,197,429 | 24 | people per km2 |
| Colombia | South America | 1,038,700 | 49,220,925 | 47 | people per km2 |
| Ecuador | South America | 276,841 | 17,016,695 | 61 | people per km2 |
| Guyana | South America | 196,849 | 750,748 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 7,239,585 | 18 | people per km2 |
| Peru | South America | 1,279,996 | 31,952,038 | 25 | people per km2 |
| Suriname | South America | 156,000 | 611,832 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,362,305 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 32,599,247 | 37 | people per km2 |