| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 39,816,399 | 15 | people per km2 |
| Bolivia | South America | 1,083,301 | 9,355,721 | 9 | people per km2 |
| Brazil | South America | 8,358,140 | 188,963,494 | 23 | people per km2 |
| Chile | South America | 743,812 | 16,199,243 | 22 | people per km2 |
| Colombia | South America | 1,038,700 | 42,357,987 | 41 | people per km2 |
| Ecuador | South America | 276,841 | 14,055,045 | 51 | people per km2 |
| Guyana | South America | 196,849 | 741,674 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 6,087,105 | 15 | people per km2 |
| Peru | South America | 1,279,996 | 27,788,672 | 22 | people per km2 |
| Suriname | South America | 156,000 | 519,354 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,240,309 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 27,059,576 | 31 | people per km2 |