Tonghai — UN urban centre
Tonghai: 127,375 people. Reference: 2025 annual estimate · World rank #4,803 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 8621; 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: 24.1209, 102.7536. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 51,976 | Estimate |
| 1980 | 55,362 | Estimate |
| 1985 | 104,470 | Estimate |
| 1990 | 114,138 | Estimate |
| 1995 | 118,776 | Estimate |
| 2000 | 111,304 | Estimate |
| 2005 | 118,102 | Estimate |
| 2010 | 125,733 | Estimate |
| 2015 | 128,999 | Estimate |
| 2020 | 127,372 | Estimate |
| 2025 | 127,375 | Estimate |
| 2030 | 126,664 | Projection |
| 2035 | 125,990 | Projection |
| 2040 | 124,777 | Projection |
| 2045 | 123,525 | Projection |
| 2050 | 121,411 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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