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Gridded Population of the World, Version 4 (GPWv4): Population Density Adjusted to Match 2015 Revision UN WPP Country Totals

Abstract: Gridded Population of the World, Version 4 (GPWv4) Population Density Adjusted to Match 2015 Revision of UN WPP Country Totals consists of estimates of human population density, based on counts consistent with national censuses and population registers with respect to relative spatial distribution, but adjusted to match the 2015 Revision of UN World Population Prospects country totals 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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Description: Data landing page
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Geographic Coverage
Spatial coordinates   
  N: 85.0   S: -60.0   E: 180.0   W: -180.0

Data Set Citation
Version: 004
ISO Topic Category
Use Constraints This work is licensed under the Creative Commons Attribution 4.0 International License ( Users are free to use, copy, distribute, transmit, and adapt the work for commercial and non-commercial purposes, without restriction, as long as clear attribution of the source is provided.
Data Set Progress
Center for International Earth Science Information Network - CIESIN - Columbia University (2016), Gridded Population of the World, Version 4 (GPWv4): Administrative Unit Center Points with Population Estimates, NASA Socioeconomic Data and Applications Center (SEDAC), Palisades, NY,
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Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2016-08-01
Last DIF Revision Date: 2016-11-18