| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 48,337,446 | 18 | people per km2 |
| Bolivia | South America | 1,083,301 | 13,028,829 | 12 | people per km2 |
| Brazil | South America | 8,358,140 | 221,133,649 | 26 | people per km2 |
| Chile | South America | 743,812 | 18,988,093 | 26 | people per km2 |
| Colombia | South America | 1,038,700 | 52,271,805 | 50 | people per km2 |
| Ecuador | South America | 276,841 | 18,471,636 | 67 | people per km2 |
| Guyana | South America | 196,849 | 800,102 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 7,860,747 | 20 | people per km2 |
| Peru | South America | 1,279,996 | 33,952,117 | 27 | people per km2 |
| Suriname | South America | 156,000 | 652,833 | 4 | people per km2 |
| Uruguay | South America | 175,015 | 3,425,445 | 20 | people per km2 |
| Venezuela | South America | 882,050 | 35,223,658 | 40 | people per km2 |