Siem Reap — UN urban centre
Siem Reap: 352,948 people. Reference: 2025 annual estimate · World rank #1,621 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 756; 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: 13.3585, 103.8611. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 2000 | 84,836 | Estimate |
| 2005 | 141,990 | Estimate |
| 2010 | 195,856 | Estimate |
| 2015 | 246,764 | Estimate |
| 2020 | 300,472 | Estimate |
| 2025 | 352,948 | Estimate |
| 2030 | 404,021 | Projection |
| 2035 | 457,943 | Projection |
| 2040 | 508,396 | Projection |
| 2045 | 580,404 | Projection |
| 2050 | 637,174 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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