According to the Trends in International Migrant Stock: Migrants by Destination and Origin (United Nations database) the stock of international migrants is not how it is usually considered and displayed in the media
![](https://i0.wp.com/chalkdustmagazine.com/wp-content/uploads/2015/02/Rafael.jpg?resize=150%2C150)
Rafael Prieto Curiel is doing a PhD in mathematics and crime. He is interested in mathematical modelling of any social issues, such as road accidents, migration, crime, fear and gossip.
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