| 2011 | 2012 | |
|---|---|---|
| Vientiane Prefecture | 11.939 | 11.884 |
| Savannakhét | 4.488 | 4.443 |
| Champasak | 3.931 | 3.928 |
| Vientiane | 3.165 | 3.206 |
| Khammouan | 2.000 | 1.998 |
| Salavan | 1.429 | 1.428 |
| Xaignabouli | 1.367 | 1.367 |
| Bolikhamxai | 1.089 | 1.113 |
| Louangphabang | 943 | 942 |
| Louang Namtha | 880 | 882 |
| Bokèo | 579 | 599 |
| Oudômxai | 559 | 575 |
| Xiangkhoang | 452 | 562 |
| Houaphan | 513 | 513 |
| Attapu | 307 | 307 |
| Xékong | 204 | 204 |
| Phôngsali | 155 | 155 |