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https://dataverse.harvard.edu/dataverse/SEDAC
The SEDAC collection above comprises 300 datasets that were curated or developed from 1998-2025 under CIESIN's contract to run the NASA Socioeconomic Data and Applications Center (SEDAC). This includes GPWv4

GDIS, 2021 can be found here https://doi.org/10.7910/DVN/7UW1YK

GRDIv1.0 can be found here: https://doi.org/10.7910/DVN/TEM9JH

Hello, The Gridded Population of the World, Version 3 (GPWv3): Population Density Grid found at https://www.earthdata.nasa.gov/data/catalog/sedac-ciesin-sedac-gpwv3-popdens-3.0 appears to be zip files. it seems that you need to add ".zip" extension at the end of the filename in order to de...