| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 35,009,722 | 13 | people per km2 |
| Bolivia | South America | 1,083,301 | 7,306,298 | 7 | people per km2 |
| Brazil | South America | 8,358,140 | 160,943,637 | 19 | people per km2 |
| Chile | South America | 743,812 | 14,106,959 | 19 | people per km2 |
| Colombia | South America | 1,038,700 | 36,220,490 | 35 | people per km2 |
| Ecuador | South America | 276,841 | 11,218,742 | 41 | people per km2 |
| Guyana | South America | 196,849 | 748,637 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 4,804,281 | 12 | people per km2 |
| Peru | South America | 1,279,996 | 23,655,234 | 18 | people per km2 |
| Suriname | South America | 156,000 | 423,379 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,107,879 | 18 | people per km2 |
| Venezuela | South America | 882,050 | 21,949,302 | 25 | people per km2 |