Chengam — UN urban centre
Chengam: 56,379 people. Reference: 2025 annual estimate · World rank #10,923 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 10397; 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: 12.3079, 78.7957. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 2000 | 53,681 | Estimate |
| 2005 | 61,320 | Estimate |
| 2010 | 63,350 | Estimate |
| 2015 | 63,131 | Estimate |
| 2020 | 55,117 | Estimate |
| 2025 | 56,379 | Estimate |
| 2030 | 57,642 | Projection |
| 2035 | 58,678 | Projection |
| 2040 | 59,355 | Projection |
| 2045 | 59,769 | Projection |
| 2050 | 59,823 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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