| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 51,008,785 | 19 | people per km2 |
| Bolivia | South America | 1,083,301 | 14,369,490 | 13 | people per km2 |
| Brazil | South America | 8,358,140 | 228,121,638 | 27 | people per km2 |
| Chile | South America | 743,812 | 19,440,916 | 26 | people per km2 |
| Colombia | South America | 1,038,700 | 54,525,548 | 52 | people per km2 |
| Ecuador | South America | 276,841 | 19,788,793 | 71 | people per km2 |
| Guyana | South America | 196,849 | 844,266 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 8,373,308 | 21 | people per km2 |
| Peru | South America | 1,279,996 | 35,511,856 | 28 | people per km2 |
| Suriname | South America | 156,000 | 688,459 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,460,824 | 20 | people per km2 |
| Venezuela | South America | 882,050 | 37,513,070 | 43 | people per km2 |