Zanzibar City — UN urban centre
Zanzibar City: 966,642 people. Reference: 2025 annual estimate · World rank #538 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 3670; territory: Tanzania (TZA). 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: -6.1647, 39.2247. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 90,586 | Estimate |
| 1980 | 106,227 | Estimate |
| 1985 | 125,163 | Estimate |
| 1990 | 154,063 | Estimate |
| 1995 | 219,851 | Estimate |
| 2000 | 286,359 | Estimate |
| 2005 | 411,899 | Estimate |
| 2010 | 525,181 | Estimate |
| 2015 | 663,079 | Estimate |
| 2020 | 813,170 | Estimate |
| 2025 | 966,642 | Estimate |
| 2030 | 1,152,769 | Projection |
| 2035 | 1,394,808 | Projection |
| 2040 | 1,617,746 | Projection |
| 2045 | 1,872,280 | Projection |
| 2050 | 2,107,995 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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