| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 41,475,820 | 15 | people per km2 |
| Bolivia | South America | 1,083,301 | 10,048,343 | 9 | people per km2 |
| Brazil | South America | 8,358,140 | 196,332,557 | 23 | people per km2 |
| Chile | South America | 743,812 | 16,824,981 | 23 | people per km2 |
| Colombia | South America | 1,038,700 | 44,469,795 | 43 | people per km2 |
| Ecuador | South America | 276,841 | 14,929,911 | 54 | people per km2 |
| Guyana | South America | 196,849 | 726,903 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 6,430,977 | 16 | people per km2 |
| Peru | South America | 1,279,996 | 28,994,180 | 23 | people per km2 |
| Suriname | South America | 156,000 | 550,601 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,272,167 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 28,706,271 | 33 | people per km2 |