| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 40,206,559 | 15 | people per km2 |
| Bolivia | South America | 1,083,301 | 9,530,875 | 9 | people per km2 |
| Brazil | South America | 8,358,140 | 190,912,608 | 23 | people per km2 |
| Chile | South America | 743,812 | 16,357,529 | 22 | people per km2 |
| Colombia | South America | 1,038,700 | 42,897,861 | 41 | people per km2 |
| Ecuador | South America | 276,841 | 14,275,234 | 52 | people per km2 |
| Guyana | South America | 196,849 | 737,000 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 6,176,790 | 16 | people per km2 |
| Peru | South America | 1,279,996 | 28,088,548 | 22 | people per km2 |
| Suriname | South America | 156,000 | 527,987 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,248,306 | 19 | people per km2 |
| Venezuela | South America | 882,050 | 27,475,577 | 31 | people per km2 |