The LandScan data set is a worldwide population databasecompiled on a 30in X 30in latitude/longitude grid. Census counts(mainly at sub-national level) were apportioned to each gridcell based on probability coefficients, which are based onproximity… Read more.
POPULATION
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The Digital Chart of the World (DCW) is an Environmental Systems Research Institute, Inc. (ESRI) product originally developed for the US Defense Mapping Agency (DMA) using DMA data. We used the DCW 1993 version at 1:1,000,000 scale. The DMA data… Read more.