| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 43,962,883 | 16 | people per km2 |
| Bolivia | South America | 1,083,301 | 11,068,486 | 10 | people per km2 |
| Brazil | South America | 8,358,140 | 205,973,986 | 25 | people per km2 |
| Chile | South America | 743,812 | 17,685,616 | 24 | people per km2 |
| Colombia | South America | 1,038,700 | 47,414,169 | 46 | people per km2 |
| Ecuador | South America | 276,841 | 16,211,147 | 59 | people per km2 |
| Guyana | South America | 196,849 | 729,570 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 6,911,621 | 17 | people per km2 |
| Peru | South America | 1,279,996 | 30,789,230 | 24 | people per km2 |
| Suriname | South America | 156,000 | 588,789 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,325,921 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 31,108,759 | 35 | people per km2 |