| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 53,287,187 | 19 | people per km2 |
| Bolivia | South America | 1,083,301 | 15,661,428 | 14 | people per km2 |
| Brazil | South America | 8,358,140 | 230,070,208 | 28 | people per km2 |
| Chile | South America | 743,812 | 19,508,480 | 26 | people per km2 |
| Colombia | South America | 1,038,700 | 55,604,045 | 54 | people per km2 |
| Ecuador | South America | 276,841 | 20,790,965 | 75 | people per km2 |
| Guyana | South America | 196,849 | 867,119 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 8,716,820 | 22 | people per km2 |
| Peru | South America | 1,279,996 | 36,466,263 | 28 | people per km2 |
| Suriname | South America | 156,000 | 709,418 | 5 | people per km2 |
| Uruguay | South America | 175,015 | 3,462,126 | 20 | people per km2 |
| Venezuela | South America | 882,050 | 39,170,550 | 44 | people per km2 |