AsiaPop (www.asiapop.org) dataset details
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DATASET: Alpha version 2007, 2010, 2015 and 2020 estimates of numbers of people per grid square (ppp) and per hectare (pph), with national totals adjusted to match UN population division estimates (http://esa.un.org/wpp/) and remaining unadjusted.
REGION: Asia
SPATIAL RESOLUTION: 0.000833333 decimal degrees (approx 100m at the equator)
PROJECTION: Geographic, WGS84
UNITS: Estimated persons per grid square
MAPPING APPROACH: Random Forest
FORMAT: Geotiff (zipped using 7-zip (open access tool): www.7-zip.org)
FILENAMES: Example - PHL_ppp_v2b_2015_UNadj.tif = Philippines (PHL) population per pixel (ppp) map for 2015 adjusted to match UN national estimates (UNadj), version 2b (v2b).
DATE OF PRODUCTION: November 2013

Dataset construction details and input data are provided here: www.worldpop.org.uk/methods