| # | Country | Population (2025) | Land Area (Km²) | Density (P/Km²) |
|---|---|---|---|---|
| 1 | Brazil | 212,812,405 | 8,358,140 | 25 |
| 2 | Colombia | 53,425,635 | 1,109,500 | 48 |
| 3 | Argentina | 45,851,378 | 2,736,690 | 17 |
| 4 | Peru | 34,576,665 | 1,280,000 | 27 |
| 5 | Venezuela | 28,516,896 | 882,050 | 32 |
| 6 | Chile | 19,859,921 | 743,532 | 27 |
| 7 | Ecuador | 18,289,896 | 248,360 | 74 |
| 8 | Bolivia | 12,581,843 | 1,083,300 | 12 |
| 9 | Paraguay | 7,013,078 | 397,300 | 18 |
| 10 | Uruguay | 3,384,688 | 175,020 | 19 |
| 11 | Guyana | 835,986 | 196,850 | 4 |
| 12 | Suriname | 639,850 | 156,000 | 4 |
| 13 | French Guiana | 313,666 | 82,200 | 4 |
| 14 | Falkland Islands | 3,469 | 12,170 | 0 |