Kollam — UN urban centre
Kollam: 3,074,562 people. Reference: 2025 annual estimate · World rank #162 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 9847; 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: 9.2982, 76.4275. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 393,590 | Estimate |
| 1980 | 434,706 | Estimate |
| 1985 | 704,850 | Estimate |
| 1990 | 967,293 | Estimate |
| 1995 | 1,231,907 | Estimate |
| 2000 | 1,646,810 | Estimate |
| 2005 | 1,817,237 | Estimate |
| 2010 | 1,790,199 | Estimate |
| 2015 | 2,190,966 | Estimate |
| 2020 | 2,959,375 | Estimate |
| 2025 | 3,074,562 | Estimate |
| 2030 | 3,281,408 | Projection |
| 2035 | 3,442,238 | Projection |
| 2040 | 3,523,368 | Projection |
| 2045 | 3,579,591 | Projection |
| 2050 | 3,612,611 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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