| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Argentina | South America | 2,736,690 | 35,411,826 | 13 | people per km2 |
| Bolivia | South America | 1,083,301 | 7,465,866 | 7 | people per km2 |
| Brazil | South America | 8,358,140 | 163,381,578 | 20 | people per km2 |
| Chile | South America | 743,812 | 14,317,612 | 19 | people per km2 |
| Colombia | South America | 1,038,700 | 36,750,597 | 35 | people per km2 |
| Ecuador | South America | 276,841 | 11,482,987 | 41 | people per km2 |
| Guyana | South America | 196,849 | 748,239 | 4 | people per km2 |
| Paraguay | South America | 397,302 | 4,933,219 | 12 | people per km2 |
| Peru | South America | 1,279,996 | 24,074,521 | 19 | people per km2 |
| Suriname | South America | 156,000 | 428,743 | 3 | people per km2 |
| Uruguay | South America | 175,015 | 3,123,410 | 18 | people per km2 |
| Venezuela | South America | 882,050 | 22,385,682 | 25 | people per km2 |