| 2005 | 2005 | |
|---|---|---|
| Vientiane Prefecture | 223 731 | 223 731 |
| Savannakhét | 151 260 | 151 260 |
| Champasak | 138 542 | 138 542 |
| Vientiane | 84 743 | 84 743 |
| Xaignabouli | 78 999 | 78 999 |
| Louangphabang | 65 951 | 65 951 |
| Khammouan | 60 524 | 60 524 |
| Salavan | 46 867 | 46 867 |
| Bolikhamxai | 44 312 | 44 312 |
| Xiangkhoang | 39 335 | 39 335 |
| Houaphan | 38 978 | 38 978 |
| Oudômxai | 29 820 | 29 820 |
| Bokèo | 19 815 | 19 815 |
| Louang Namtha | 17 645 | 17 645 |
| Attapu | 17 359 | 17 359 |
| Phôngsali | 16 418 | 16 418 |
| Xékong | 11 499 | 11 499 |
| Xaisômboun | 5 900 | 5 900 |