WorldPop Africa births dataset details 
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DATASET: Alpha version 1990, 1995, 2000, 2005, 2010, 2012, 2015, 2020, 2025, 2030, and 2035 estimates of numbers of live births per grid square, with national totals adjusted to match UN national estimates on numbers of live births (http://esa.un.org/wpp/). 
REGION: Africa 
SPATIAL RESOLUTION: 0.000833333 decimal degrees (approx 100m at the equator) 
PROJECTION: Geographic, WGS84 
UNITS: Estimated births per grid square 
MAPPING APPROACH: Tatem AJ, Campbell J, Guerra-Arias M, de Bernis L, Moran A, Matthews Z, 2014, Mapping for maternal and newborn health: the distributions of women of childbearing age, pregnancies and births, International Journal of Health Geographics, 13:2 
FORMAT: Geotiff (zipped using 7-zip (open access tool): www.7-zip.org) 
FILENAMES: Example - BEN2010adjustedBirths.tif = Benin (BEN) births count map for 2010 adjusted to match UN national estimates on numbers of live births. 
DATE OF PRODUCTION: May 2015 

Dataset construction details and input data are provided here: http://www.worldpop.org.uk/data/methods/
The births mapping approach is described here: http://www.ij-healthgeographics.com/content/13/1/2