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Gridded Population of the World, Version 4 (GPWv4): Population Count, Revision 10

Published by ESDIS | National Aeronautics and Space Administration | Catalog Last Checked: June 25, 2026 at 01:48 PM | Dataset Last Updated: June 23, 2026
The Gridded Population of the World, Version 4 (GPWv4): Population Count, Revision 10 consists of estimates of human population (number of persons per pixel), consistent with national censuses and population registers, for the years 2000, 2005, 2010, 2015, and 2020. A proportional allocation gridding algorithm, utilizing approximately 13.5 million national and sub-national administrative units, was used to assign population counts to 30 arc-second grid cells. The data files were produced as global rasters at 30 arc-second (~1 km at the equator) resolution. To enable faster global processing, and in support of research communities, the 30 arc-second data were aggregated to 2.5 arc-minute, 15 arc-minute, 30 arc-minute and 1 degree resolutions.

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