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Research duo quantify global human migration numbers

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Posted April 1, 2014
Research duo quantify global human migration numbers
Circular plot of migration flows between and within world regions during 2005 to 2010. Tick marks show the number of migrants (inflows and outflows) in millions. Only flows containing at least 170,000 migrants are shown. Credit: Abel et al., Science/AAAS
A pair of demographic researchers at the Vienna Institute of Demography has quantified for the first time global human migration numbers. In their paper published in the journal Science, Guy Abel and Nikola Sander describe how they were able to gather migration numbers for 196 countries and some of the trends they discovered in doing so.

The modern era has provided the means to migrate to far off lands like no other time in history, jet travel along with higher standards of living has meant people could pick up and move to another country if they so desired. Of course, there are also limiting factors, such as laws regulating immigration and diminished desire to leave one’s homeland if things are going well. At the same time, with massive computer infrastructures and the World Wide Web, it would seem that some entity would exist that monitors global —the United Nations for example. But that is not the case, as Abel and Sander discovered, leading them to conduct a study of their own. Their work was greatly aided by an initiative by the United Nations last year to merge migration numbers reported by different  into a single format.

Read more at: Phys.org

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