Source: http://qz.com/192440/where-everyone-in-t...

While the results of the migration study aren’t particularly groundbreaking, there are two interesting insights:

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1) Adjusted for population growth, the global migration rate has stayed roughly the same since around  since 1995 (it was higher from 1990-1995).

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2) It’s not the poorest countries sending people to the richest countries, it’s countries in transition—still poor, but with some education and mobility—that are the highest migratory contributors.

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“One of the conclusions they make in the paper, is the idea as countries develop, they continue to send more migrants, and at some point they become migrant-receiving regions themselves,” says Fernando Riosmena, a geographer from the University of Colorado, who did not contribute to this research, but is collaborating with one of the authors on a future paper.

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A few other noteworthy results:

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1) The largest regional migration is from Southeast Asia to the Middle East. This is largely driven by the huge, oil-driven, construction booms happening on the Arabian Peninsula.

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2) The biggest flow between individual countries is the steady stream from Mexico to the US. (In fact, the US is the largest single migrant destination)

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3) There’s a huge circulation of migrants among sub-Saharan African countries.