| 2010 | 2012 | |
|---|---|---|
| Kampong Cham | 6 763 | 6 462 |
| Battambang | 4 940 | 5 036 |
| Phnom Penh | 4 234 | 4 714 |
| Takeo | 4 244 | 4 091 |
| Prey Veng | 4 221 | 4 070 |
| Kandal | 4 712 | 3 707 |
| Siem Reap | 3 189 | 3 443 |
| Banteay MeanChey | 2 997 | 3 021 |
| Kampot | 2 985 | 2 935 |
| Kampong Speu | 2 912 | 2 812 |
| Kampong Thom | 2 555 | 2 699 |
| Svay Rieng | 2 522 | 2 414 |
| Kampong Chhnang | 1 994 | 2 035 |
| Pursat | 1 867 | 1 903 |
| Kratie | 1 468 | 1 518 |
| Preah Vihear | 878 | 976 |
| Otdar Meanchey | 897 | 957 |
| Preah Sihanouk | 877 | 899 |
| Stung Treng | 664 | 699 |
| Koh Kong | 505 | 545 |
| Ratanak Kiri | 489 | 542 |
| Mondul Kiri | 279 | 337 |
| Pailin | 229 | 272 |
| Kep | 249 | 257 |