| 2010 | 2012 | |
|---|---|---|
| Prey Veng | 20 310 | 14 612 |
| Kampong Cham | 21 888 | 13 668 |
| Siem Reap | 15 260 | 12 802 |
| Battambang | 20 328 | 10 437 |
| Kampong Thom | 10 103 | 8 579 |
| Kandal | 14 124 | 7 194 |
| Kampong Chhnang | 8 025 | 7 035 |
| Takeo | 15 561 | 6 897 |
| Pursat | 6 738 | 5 461 |
| Kampong Speu | 9 456 | 5 316 |
| Kratie | 6 730 | 5 183 |
| Svay Rieng | 10 176 | 4 818 |
| Kampot | 6 621 | 4 344 |
| Phnom Penh | 4 761 | 4 024 |
| Preah Vihear | 4 668 | 3 722 |
| Banteay MeanChey | 8 019 | 3 016 |
| Stung Treng | 3 575 | 2 970 |
| Otdar Meanchey | 4 653 | 2 068 |
| Ratanak Kiri | 3 031 | 1 711 |
| Koh Kong | 2 079 | 943 |
| Preah Sihanouk | 1 931 | 821 |
| Pailin | 1 353 | 716 |
| Mondul Kiri | 1 235 | 625 |
| Kep | 360 | 106 |