Table 1 Categories of data used to fit the model and evaluate the accuracy of the new population density map.

From: Fine-scale population spatialization data of China in 2018 based on real location-based big data

Dataset

Format

Source

Reference link

National Population Sample Survey data (2018)

Excel

National Bureau of Statistics

http://www.stats.gov.cn/tjsj/ndsj/2019/indexeh.htm

Tencent user location big data

GEOTIFF

Tencent Cloud

The real-time data application can be accessed at https://cloud.tencent.com/solution/lbs, and the annually average user location data in 2018 compiled in this article can be obtained from https://doi.org/10.6084/m9.figshare.20400717.v144

Boundary maps

Polygon features

National Catalogue Service for Geographic Information

www.webmap.cn

LandScan (2018)

Raster

Oak Ridge National Laboratory

https://landScan.ornl.gov/

WorldPop China Mainland (2018)

Raster

WorldPop, School of Geography and Environmental Science, University of Southampton

https://doi.org/10.5258/SOTON/WP0067462