A total of 23 studies from 11 registries in eight countries spanning Europe, North America, and Oceania were identified and included in the review. Most studies were retrospective in nature and ...
Andrew J Tatem works for the University of Southampton, and is Director of WorldPop. His research on mapping populations has been funded by donors such as the Gates Foundation, Wellcome Trust, GAVI.
Pew Research Center conducted this research to understand changes in the unauthorized immigrant population in the United States. The Center has published estimates of the U.S. unauthorized immigrant ...
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