| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 42,311,852 | 15 | people per km2 |
| Bolivia | South America | 1,083,301 | 10,391,032 | 10 | people per km2 |
| Brazil | South America | 8,358,140 | 199,712,995 | 24 | people per km2 |
| Chile | South America | 743,812 | 17,122,652 | 23 | people per km2 |
| Colombia | South America | 1,038,700 | 45,481,006 | 44 | people per km2 |
| Ecuador | South America | 276,841 | 15,363,010 | 55 | people per km2 |
| Guyana | South America | 196,849 | 724,085 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 6,593,931 | 17 | people per km2 |
| Peru | South America | 1,279,996 | 29,597,177 | 23 | people per km2 |
| Suriname | South America | 156,000 | 563,896 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,289,328 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 29,520,971 | 33 | people per km2 |