Karachi — UN urban centre
Karachi: 21,422,590 people. Reference: 2025 annual estimate · World rank #11 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 2578; territory: Pakistan (PAK). 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: 24.8967, 67.0652. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 4,626,701 | Estimate |
| 1980 | 5,819,767 | Estimate |
| 1985 | 6,810,930 | Estimate |
| 1990 | 7,977,466 | Estimate |
| 1995 | 9,457,981 | Estimate |
| 2000 | 10,799,503 | Estimate |
| 2005 | 12,184,764 | Estimate |
| 2010 | 13,950,654 | Estimate |
| 2015 | 15,811,774 | Estimate |
| 2020 | 19,340,628 | Estimate |
| 2025 | 21,422,590 | Estimate |
| 2030 | 23,598,646 | Projection |
| 2035 | 25,897,578 | Projection |
| 2040 | 28,218,999 | Projection |
| 2045 | 30,414,556 | Projection |
| 2050 | 32,592,965 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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