| # | Country | Population 2026 | Land Area (Km²) | Density (P/Km²) |
|---|---|---|---|---|
| 1 | Brazil | 213,562,666 | 8,358,140 | 26 |
| 2 | Colombia | 53,936,226 | 1,109,500 | 49 |
| 3 | Argentina | 46,003,734 | 2,736,690 | 17 |
| 4 | Peru | 34,922,148 | 1,280,000 | 27 |
| 5 | Venezuela | 28,633,711 | 882,050 | 32 |
| 6 | Chile | 19,945,850 | 743,532 | 27 |
| 7 | Ecuador | 18,444,506 | 248,360 | 74 |
| 8 | Bolivia | 12,749,291 | 1,083,300 | 12 |
| 9 | Paraguay | 7,095,279 | 397,300 | 18 |
| 10 | Uruguay | 3,382,537 | 175,020 | 19 |
| 11 | Guyana | 840,890 | 196,850 | 4 |
| 12 | Suriname | 645,256 | 156,000 | 4 |
| 13 | French Guiana | 318,872 | 82,200 | 4 |
| 14 | Falkland Islands | 3,465 | 12,170 | 0 |