| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 32,799,348 | 12 | people per km2 |
| Bolivia | South America | 1,083,301 | 6,425,339 | 6 | people per km2 |
| Brazil | South America | 8,358,140 | 148,533,192 | 18 | people per km2 |
| Chile | South America | 743,812 | 12,951,861 | 17 | people per km2 |
| Colombia | South America | 1,038,700 | 32,953,802 | 32 | people per km2 |
| Ecuador | South America | 276,841 | 10,132,988 | 37 | people per km2 |
| Guyana | South America | 196,849 | 750,534 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 4,180,811 | 11 | people per km2 |
| Peru | South America | 1,279,996 | 21,401,914 | 17 | people per km2 |
| Suriname | South America | 156,000 | 407,477 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,044,144 | 17 | people per km2 |
| Venezuela | South America | 882,050 | 19,725,512 | 22 | people per km2 |