Owerri — UN urban centre
Owerri: 3,833,343 people. Reference: 2025 annual estimate · World rank #121 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 7369; 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: 5.6874, 7.0381. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 61,592 | Estimate |
| 1980 | 136,986 | Estimate |
| 1985 | 446,707 | Estimate |
| 1990 | 586,207 | Estimate |
| 1995 | 921,885 | Estimate |
| 2000 | 1,271,047 | Estimate |
| 2005 | 1,679,393 | Estimate |
| 2010 | 2,110,732 | Estimate |
| 2015 | 2,651,882 | Estimate |
| 2020 | 3,171,687 | Estimate |
| 2025 | 3,833,343 | Estimate |
| 2030 | 4,409,461 | Projection |
| 2035 | 5,040,194 | Projection |
| 2040 | 5,635,023 | Projection |
| 2045 | 6,223,830 | Projection |
| 2050 | 6,804,817 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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