| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 51,272,186 | 19 | people per km2 |
| Bolivia | South America | 1,083,301 | 14,508,814 | 13 | people per km2 |
| Brazil | South America | 8,358,140 | 228,583,810 | 27 | people per km2 |
| Chile | South America | 743,812 | 19,466,361 | 26 | people per km2 |
| Colombia | South America | 1,038,700 | 54,698,000 | 53 | people per km2 |
| Ecuador | South America | 276,841 | 19,911,185 | 72 | people per km2 |
| Guyana | South America | 196,849 | 847,657 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 8,416,750 | 21 | people per km2 |
| Peru | South America | 1,279,996 | 35,642,603 | 28 | people per km2 |
| Suriname | South America | 156,000 | 691,448 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,463,238 | 20 | people per km2 |
| Venezuela | South America | 882,050 | 37,722,277 | 43 | people per km2 |