| # | Country | Population (2018) | Land Area (Km²) | Density (P/Km²) |
|---|---|---|---|---|
| 1 | Brazil | 210,867,954 | 8,358,140 | 25 |
| 2 | Colombia | 49,464,683 | 1,109,500 | 45 |
| 3 | Argentina | 44,688,864 | 2,736,690 | 16 |
| 4 | Peru | 32,551,815 | 1,280,000 | 25 |
| 5 | Venezuela | 32,381,221 | 882,050 | 37 |
| 6 | Chile | 18,197,209 | 743,532 | 24 |
| 7 | Ecuador | 16,863,425 | 248,360 | 68 |
| 8 | Bolivia | 11,215,674 | 1,083,300 | 10 |
| 9 | Paraguay | 6,896,908 | 397,300 | 17 |
| 10 | Uruguay | 3,469,551 | 175,020 | 20 |
| 11 | Guyana | 782,225 | 196,850 | 4 |
| 12 | Suriname | 568,301 | 156,000 | 4 |
| 13 | French Guiana | 289,763 | 82,200 | 4 |
| 14 | Falkland Islands | 2,922 | 12,170 | 0 |
