| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 49,887,526 | 18 | people per km2 |
| Bolivia | South America | 1,083,301 | 13,791,172 | 13 | people per km2 |
| Brazil | South America | 8,358,140 | 225,632,639 | 27 | people per km2 |
| Chile | South America | 743,812 | 19,292,314 | 26 | people per km2 |
| Colombia | South America | 1,038,700 | 53,680,683 | 52 | people per km2 |
| Ecuador | South America | 276,841 | 19,250,934 | 70 | people per km2 |
| Guyana | South America | 196,849 | 827,510 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 8,173,562 | 21 | people per km2 |
| Peru | South America | 1,279,996 | 34,905,817 | 27 | people per km2 |
| Suriname | South America | 156,000 | 674,389 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,446,528 | 20 | people per km2 |
| Venezuela | South America | 882,050 | 36,584,552 | 41 | people per km2 |