Islāmābād — UN urban centre
Islāmābād: 4,860,084 people. Reference: 2025 annual estimate · World rank #88 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 7017; 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: 33.6079, 73.0621. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 809,580 | Estimate |
| 1980 | 990,659 | Estimate |
| 1985 | 1,360,337 | Estimate |
| 1990 | 1,666,200 | Estimate |
| 1995 | 2,125,598 | Estimate |
| 2000 | 2,589,798 | Estimate |
| 2005 | 3,089,548 | Estimate |
| 2010 | 3,693,409 | Estimate |
| 2015 | 4,158,307 | Estimate |
| 2020 | 4,521,716 | Estimate |
| 2025 | 4,860,084 | Estimate |
| 2030 | 5,287,349 | Projection |
| 2035 | 5,633,816 | Projection |
| 2040 | 6,029,406 | Projection |
| 2045 | 6,360,325 | Projection |
| 2050 | 6,678,472 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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