| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 34,169,567 | 12 | people per km2 |
| Bolivia | South America | 1,083,301 | 6,985,595 | 6 | people per km2 |
| Brazil | South America | 8,358,140 | 156,034,013 | 19 | people per km2 |
| Chile | South America | 743,812 | 13,666,263 | 18 | people per km2 |
| Colombia | South America | 1,038,700 | 35,001,755 | 34 | people per km2 |
| Ecuador | South America | 276,841 | 10,710,939 | 39 | people per km2 |
| Guyana | South America | 196,849 | 747,426 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 4,550,410 | 11 | people per km2 |
| Peru | South America | 1,279,996 | 22,777,480 | 18 | people per km2 |
| Suriname | South America | 156,000 | 413,471 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,082,078 | 18 | people per km2 |
| Venezuela | South America | 882,050 | 21,067,138 | 24 | people per km2 |