| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 52,899,664 | 19 | people per km2 |
| Bolivia | South America | 1,083,301 | 15,421,643 | 14 | people per km2 |
| Brazil | South America | 8,358,140 | 230,122,985 | 28 | people per km2 |
| Chile | South America | 743,812 | 19,527,628 | 26 | people per km2 |
| Colombia | South America | 1,038,700 | 55,499,680 | 53 | people per km2 |
| Ecuador | South America | 276,841 | 20,629,492 | 75 | people per km2 |
| Guyana | South America | 196,849 | 864,017 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 8,662,150 | 22 | people per km2 |
| Peru | South America | 1,279,996 | 36,338,232 | 28 | people per km2 |
| Suriname | South America | 156,000 | 706,795 | 5 | people per km2 |
| Uruguay | South America | 175,015 | 3,465,520 | 20 | people per km2 |
| Venezuela | South America | 882,050 | 38,917,186 | 44 | people per km2 |