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.
The dataset contains a range of different Pacific regional maps developed by the SPREP GIS team and is available for use by members and partners.
Map of the Nauru island landcover, with country-level summary of the different landcover classes and designation.