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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.

Presenting the estimated areas of different land use/land cover types present in Tuvalu. This data was presented in both the 4th and 5th national reports to the CBD.

Area of vegetation by province

Waste audit and interview data collected by APWC in October 2019.