Udumalaipettai — UN urban centre
Udumalaipettai: 145,550 people. Reference: 2025 annual estimate · World rank #4,191 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 10049; 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: 10.5818, 77.2527. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 72,469 | Estimate |
| 1980 | 79,052 | Estimate |
| 1985 | 84,930 | Estimate |
| 1990 | 93,982 | Estimate |
| 1995 | 106,277 | Estimate |
| 2000 | 119,990 | Estimate |
| 2005 | 136,136 | Estimate |
| 2010 | 150,836 | Estimate |
| 2015 | 156,162 | Estimate |
| 2020 | 140,922 | Estimate |
| 2025 | 145,550 | Estimate |
| 2030 | 150,223 | Projection |
| 2035 | 152,574 | Projection |
| 2040 | 158,477 | Projection |
| 2045 | 159,679 | Projection |
| 2050 | 159,920 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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This page is a structured reference entry. Its sources, geographic definition and reference dates determine what the figures mean; it is not independent reporting about the causes of change. Read the accompanying explanation before comparing different places or vintages.