Birampur — UN urban centre
Birampur: 74,507 people. Reference: 2025 annual estimate · World rank #8,364 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 2581; territory: Bangladesh (BGD). 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: 25.3889, 88.9895. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 72,491 | Estimate |
| 1980 | 65,597 | Estimate |
| 1985 | 59,843 | Estimate |
| 1990 | 55,118 | Estimate |
| 1995 | 59,889 | Estimate |
| 2000 | 63,362 | Estimate |
| 2005 | 67,112 | Estimate |
| 2010 | 67,580 | Estimate |
| 2015 | 71,048 | Estimate |
| 2020 | 72,232 | Estimate |
| 2025 | 74,507 | Estimate |
| 2030 | 81,000 | Projection |
| 2035 | 84,705 | Projection |
| 2040 | 89,655 | Projection |
| 2045 | 90,907 | Projection |
| 2050 | 91,828 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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