Secretariat of the Pacific Regional Environment Programme
The Gridded Population of the World, Version 4 (GPWv4): Population Density, Revision 11 consists of estimates of human population density (number of persons per square kilometer) 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 13.5 million national and sub-national administrative units, was used to assign population counts to 30 arc-second grid cells.
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Secretariat of the Pacific Regional Environment Programme
Atmosphere and Climate Land Biodiversity Built Environment Coastal and Marine Culture and Heritage Inland Waters
This policy applies to SPREP’s own data as well as data held by SPREP on behalf of government agencies and partners within the Pacific.