Gridded Population of the World, Version 4 (GPWv4): Population DensityEntry ID: CIESIN_SEDAC_GPWv4_POPDENS_001
Abstract: Gridded Population of the World, Version 4 (GPWv4) Population Density consists of estimates of human population density based on counts consistent with national censuses and population registers, for the years 2000, 2005, 2010, 2015, and 2020. A proportional allocation gridding algorithm, utilizing approximately 12.5 million national and sub-national administrative units, is used to assign population values to 30 arc-second (~1 km) grid cells. The population density grids are derived by dividing the population count grids by the land area grids. The pixel values represent persons per square kilometer.
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DIF Creation Date: 2016-07-27
Last DIF Revision Date: 2016-07-28