Sana'a — UN urban centre
Sana'a: 4,018,856 people. Reference: 2025 annual estimate · World rank #111 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 4328; territory: Yemen (YEM). 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: 15.3581, 44.2046. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 124,348 | Estimate |
| 1980 | 270,737 | Estimate |
| 1985 | 485,938 | Estimate |
| 1990 | 828,314 | Estimate |
| 1995 | 1,263,345 | Estimate |
| 2000 | 1,652,911 | Estimate |
| 2005 | 2,092,054 | Estimate |
| 2010 | 2,469,075 | Estimate |
| 2015 | 2,918,816 | Estimate |
| 2020 | 3,654,549 | Estimate |
| 2025 | 4,018,856 | Estimate |
| 2030 | 4,405,120 | Projection |
| 2035 | 4,739,265 | Projection |
| 2040 | 5,069,732 | Projection |
| 2045 | 5,361,879 | Projection |
| 2050 | 5,664,924 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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