| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 37,827,207 | 14 | people per km2 |
| Bolivia | South America | 1,083,301 | 8,472,884 | 8 | people per km2 |
| Brazil | South America | 8,358,140 | 178,088,588 | 21 | people per km2 |
| Chile | South America | 743,812 | 15,440,222 | 21 | people per km2 |
| Colombia | South America | 1,038,700 | 39,548,679 | 38 | people per km2 |
| Ecuador | South America | 276,841 | 12,772,832 | 46 | people per km2 |
| Guyana | South America | 196,849 | 761,026 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 5,603,292 | 14 | people per km2 |
| Peru | South America | 1,279,996 | 26,242,727 | 21 | people per km2 |
| Suriname | South America | 156,000 | 477,472 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,200,066 | 18 | people per km2 |
| Venezuela | South America | 882,050 | 24,948,875 | 28 | people per km2 |