| # | Country | Population (2024) | Area (Km²) | Density (P/Km²) |
|---|---|---|---|---|
| 1 | United States of America | 345,426,571 | 9,147,420 | 38 |
| 2 | United Kingdom | 69,138,192 | 241,930 | 286 |
| 3 | Uganda | 50,015,092 | 199,810 | 250 |
| 4 | Ukraine | 37,860,221 | 579,320 | 65 |
| 5 | Uzbekistan | 36,361,859 | 425,400 | 85 |
| 6 | United Arab Emirates | 11,027,129 | 83,600 | 132 |
| 7 | Uruguay | 3,386,588 | 175,020 | 19 |