Phnom Penh — UN urban centre
Phnom Penh: 2,261,055 people. Reference: 2025 annual estimate · World rank #222 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 1225; territory: Cambodia (KHM). UN source workbook.
Method: Degree of Urbanisation (contiguous 1 km2 cells, density 1,500+ people/km2, total 50,000+). This is a source-defined urban centre, not a municipality or province. No association with a separate administrative entity is inferred from proximity or name.
Source centroid: 11.5499, 104.9094. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 68,669 | Estimate |
| 1980 | 154,714 | Estimate |
| 1985 | 268,935 | Estimate |
| 1990 | 379,207 | Estimate |
| 1995 | 697,313 | Estimate |
| 2000 | 1,137,147 | Estimate |
| 2005 | 1,341,916 | Estimate |
| 2010 | 1,573,915 | Estimate |
| 2015 | 1,914,231 | Estimate |
| 2020 | 2,220,384 | Estimate |
| 2025 | 2,261,055 | Estimate |
| 2030 | 2,278,473 | Projection |
| 2035 | 2,309,679 | Projection |
| 2040 | 2,312,253 | Projection |
| 2045 | 2,312,548 | Projection |
| 2050 | 2,309,065 | Projection |
Largest UN urban centres · Fastest-growing urban centres
What changed during your lifetime?
Turn these figures into a private, five-scene personal world story.
Use this source record with the right definition
This page is a structured reference entry. Its sources, geographic definition and reference dates determine what the figures mean; it is not independent reporting about the causes of change. Read the accompanying explanation before comparing different places or vintages.