Bettiah — UN urban centre
Bettiah: 535,979 people. Reference: 2025 annual estimate · World rank #1,032 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 10735; territory: India (IND). 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: 26.7933, 84.4958. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 131,510 | Estimate |
| 1980 | 139,017 | Estimate |
| 1985 | 147,372 | Estimate |
| 1990 | 156,412 | Estimate |
| 1995 | 187,548 | Estimate |
| 2000 | 222,257 | Estimate |
| 2005 | 354,420 | Estimate |
| 2010 | 403,875 | Estimate |
| 2015 | 463,892 | Estimate |
| 2020 | 492,813 | Estimate |
| 2025 | 535,979 | Estimate |
| 2030 | 628,350 | Projection |
| 2035 | 664,320 | Projection |
| 2040 | 688,758 | Projection |
| 2045 | 706,850 | Projection |
| 2050 | 743,558 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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