Ibb — UN urban centre
Ibb: 826,974 people. Reference: 2025 annual estimate · World rank #635 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 4626; 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: 13.9636, 44.1682. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 76,155 | Estimate |
| 1980 | 96,890 | Estimate |
| 1985 | 123,204 | Estimate |
| 1990 | 156,284 | Estimate |
| 1995 | 198,397 | Estimate |
| 2000 | 260,998 | Estimate |
| 2005 | 332,276 | Estimate |
| 2010 | 395,445 | Estimate |
| 2015 | 552,999 | Estimate |
| 2020 | 766,034 | Estimate |
| 2025 | 826,974 | Estimate |
| 2030 | 946,071 | Projection |
| 2035 | 1,024,557 | Projection |
| 2040 | 1,098,077 | Projection |
| 2045 | 1,183,459 | Projection |
| 2050 | 1,262,887 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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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.