Vientiane60%
Kaysone Phomvihane City9.8%
Pakse (Pakxe)6.9%
Luang Prabang (Louangphrabang)3.7%
Xam Neua (Xam Nua, Sam Neua)3%
Phonsavan (Ban Phonsavan)2.9%
Thakhek2%
Muang Xay (Oudomxai)1.9%
Vang Vieng
Xaysomboun (Viengchan)
Pakxan (Muang Pakxan)
Attapeu (Attopu)
Houayxay
Sainyabuli (Xaignabouli)
1
VientianeVientiane Prefecture
768,743
2
Kaysone Phomvihane CitySavannakhet province
125,760
3
Pakse (Pakxe)Champasak
88,332
4
Luang Prabang (Louangphrabang)Luang Prabang (Louangphrabang)
47,378
5
Xam Neua (Xam Nua, Sam Neua)Houaphanh
38,992
6
Phonsavan (Ban Phonsavan)Xiangkhouang
37,507
7
ThakhekKhammouane (Khammouan)
26,200
8
Muang Xay (Oudomxai)Oudomxay (Oudomxai)
25,000
9
Vang ViengVientiane
25,000
10
Xaysomboun (Viengchan)Vientiane
25,000
11
Pakxan (Muang Pakxan)Bolikhamsai (Bolikhamxai)
21,967
12
Attapeu (Attopu)Attapeu (Attopu)
19,200
13
HouayxayBokeo
17,687
14
Sainyabuli (Xaignabouli)Sainyabuli (Xaignabouli)
16,200
Highlights
Within Laos, Vientiane ranks first in 2015 with 768,743, followed by Kaysone Phomvihane City (125,760) and Pakse (Pakxe) (88,332).
Vientiane is 6.1 times higher than Kaysone Phomvihane City, the runner-up.
Across 14 entries, values run from 768,743 (Vientiane) to 16,200 (Sainyabuli (Xaignabouli)), with a median of 25,600.
Source: Lao Statistics Bureau, 2015 census (via Wikipedia), 2015. Unit: people.
Source: Lao Statistics Bureau, 2015 census (via Wikipedia) · CC BY-SA 4.0 (Wikipedia); underlying data © the cited publisher · fetched Oct 14, 2026