| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 48,008,453 | 18 | people per km2 |
| Bolivia | South America | 1,083,301 | 12,871,636 | 12 | people per km2 |
| Brazil | South America | 8,358,140 | 220,077,503 | 26 | people per km2 |
| Chile | South America | 743,812 | 18,909,551 | 25 | people per km2 |
| Colombia | South America | 1,038,700 | 51,941,857 | 50 | people per km2 |
| Ecuador | South America | 276,841 | 18,302,576 | 66 | people per km2 |
| Guyana | South America | 196,849 | 794,034 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 7,789,860 | 20 | people per km2 |
| Peru | South America | 1,279,996 | 33,732,990 | 26 | people per km2 |
| Suriname | South America | 156,000 | 648,083 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,419,106 | 20 | people per km2 |
| Venezuela | South America | 882,050 | 34,925,023 | 40 | people per km2 |