Idah — UN urban centre
Idah: 166,032 people. Reference: 2025 annual estimate · World rank #3,651 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 7317; territory: Nigeria (NGA). 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: 7.1147, 6.7483. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1990 | 51,098 | Estimate |
| 1995 | 60,223 | Estimate |
| 2000 | 80,750 | Estimate |
| 2005 | 100,096 | Estimate |
| 2010 | 121,675 | Estimate |
| 2015 | 144,135 | Estimate |
| 2020 | 157,854 | Estimate |
| 2025 | 166,032 | Estimate |
| 2030 | 176,014 | Projection |
| 2035 | 184,803 | Projection |
| 2040 | 200,644 | Projection |
| 2045 | 210,497 | Projection |
| 2050 | 220,680 | 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.