WorldPop provides estimates of numbers of people residing in each 100x100m grid cell for every low and middle income country.

Worldpop is an open access archive of spatial demographic datasets for Central and South America, Africa and Asia to support development, disaster response and health applications.

In the example the the WorldPop project population data is reduced to a single image.

 

// User specified parameters

// create the vizualization parameters
var viz = {min:0.0, max:60, palette:"F3FEEE,00ff04,075e09,0000FF,FDFF92,FF2700,FF00E7"};

// Data
var worldpop = ee.ImageCollection("WorldPop/POP");

// Functions
var meanPopulation = worldpop.reduce(ee.Reducer.mean());
print(meanPopulation)

// Add to map
Map.addLayer(meanPopulation,viz,"worldpop data");
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