Below are the urban areas with more than 100,000 inhabitants in Laos ranked by population.
Urban Area (or urban agglomeration) population refers to the population contained within the contours of a contiguous territory inhabited at urban density levels, typically comprising a city and its surrounding suburban fringe.
| Rank | Urban Area | Population Estimate (2025) | 1 Year Change (over 2024) | Land Area (Km²) | Density (P/Km²) | Global Rank | Projections (2030) | Projections (2050) |
|---|---|---|---|---|---|---|---|---|
| 1 | Viangchan (Vientiane) | 216,305 | 3% | 84 | 2,575 | 2,730 | 226,167 | 236,525 |
| 2 | Pakse | 103,630 | 4.5% | 40 | 2,591 | 5,977 | 112,292 | 142,362 |
| 3 | Luang Prabang | 66,982 | 0.64% | 18 | 3,721 | 9,259 | 69,451 | 79,458 |
Source: United Nations, Department of Economic and Social Affairs, Population Division (2025). World Urbanization Prospects: The 2025 Revision, Online Edition.