List of all kingdoms by population
List of 15 kingdoms by population in 2025
| # | Kingdom | Population |
|---|---|---|
| 1 |  Thailand |
71 037 513 |
| 2 |  England |
55 619 400 |
| 3 |  Spain |
46 528 966 |
| 4 |  Saudi Arabia |
42 248 200 |
| 5 |  Morocco |
35 340 000 |
| 6 |  Cambodia |
24 827 241 |
| 7 |  Belgium |
11 838 158 |
| 8 |  Sweden |
10 005 673 |
| 9 |  Denmark |
5 668 743 |
| 10 |  Norway |
5 405 200 |
| 11 |  Lesotho |
2 160 309 |
| 12 |  Bahrain |
1 451 200 |
| 13 |  Swaziland |
1 367 254 |
| 14 |  Butane |
784 103 |
| 15 |  Tonga |
106 915 |