| # | Country | Population (2023) | Area (Km²) | Density (P/Km²) |
|---|---|---|---|---|
| 1 | Brazil | 216,422,446 | 8,358,140 | 26 |
| 2 | Bangladesh | 172,954,319 | 130,170 | 1,329 |
| 3 | Burkina Faso | 23,251,485 | 273,600 | 85 |
| 4 | Benin | 13,712,828 | 112,760 | 122 |
| 5 | Burundi | 13,238,559 | 25,680 | 516 |
| 6 | Bolivia | 12,388,571 | 1,083,300 | 11 |
| 7 | Belgium | 11,686,140 | 30,280 | 386 |
| 8 | Belarus | 9,498,238 | 202,910 | 47 |
| 9 | Bulgaria | 6,687,717 | 108,560 | 62 |
| 10 | Bosnia and Herzegovina | 3,210,847 | 51,000 | 63 |
| 11 | Botswana | 2,675,352 | 566,730 | 5 |
| 12 | Bahrain | 1,485,509 | 760 | 1,955 |
| 13 | Bhutan | 787,424 | 38,117 | 21 |
| 14 | Brunei | 452,524 | 5,270 | 86 |
| 15 | Bahamas | 412,623 | 10,010 | 41 |
| 16 | Belize | 410,825 | 22,810 | 18 |
| 17 | Barbados | 281,995 | 430 | 656 |