中国人口空间分布 (1km Grid)
The 中国人口空间分布 dataset is a 1km population grid produced by the Chinese Academy of Sciences using census and nighttime light data, providing population distribution across all of China.
Format
GeoTIFF / ESRI Grid
Geometry
Raster (population grid)
Coverage
China
Resolution
1km
About this dataset
Chinese Academy of Sciences 1km population grid for China based on census and nighttime light data.
The Chinese Academy of Sciences provides 1km resolution gridded population distribution data for China, integrating census data with nighttime light imagery and land use information. It covers the entire Chinese territory and is useful for regional demographic analysis and urbanization studies.
How to download
- 1 Register on the CASEarth portal with a Chinese phone number.
- 2 Search for population grid (人口空间分布) datasets.
- 3 Select the desired year and download the GeoTIFF raster.
- 4 Open the raster in GeoDataViewer or QGIS for analysis.
FAQ
How does this compare to WorldPop for China?
The CAS population grid is calibrated specifically for China using Chinese census data and nighttime light, which may provide better accuracy within China. WorldPop uses a consistent global methodology that facilitates cross-country comparisons.
Do I need a Chinese phone number to download?
Yes. The CASEarth data portal requires registration with a Chinese mobile phone number for verification.