Tiancheng — UN urban centre
Tiancheng: 98,442 people. Reference: 2025 annual estimate · World rank #6,275 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 10636; territory: China (CHN). 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: 29.5353, 114.0378. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 151,733 | Estimate |
| 1980 | 153,655 | Estimate |
| 1985 | 154,694 | Estimate |
| 1990 | 154,354 | Estimate |
| 1995 | 146,556 | Estimate |
| 2000 | 130,306 | Estimate |
| 2005 | 121,927 | Estimate |
| 2010 | 117,988 | Estimate |
| 2015 | 109,672 | Estimate |
| 2020 | 101,276 | Estimate |
| 2025 | 98,442 | Estimate |
| 2030 | 95,057 | Projection |
| 2035 | 92,195 | Projection |
| 2040 | 88,938 | Projection |
| 2045 | 85,847 | Projection |
| 2050 | 80,734 | Projection |
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