1. Mexico
Undocumented population: 6,194,000
Unsurprisingly, it is Mexico which tops the list of 10 countries where most of the illegal immigrants came from. More than half of the population of undocumented immigrants has come from Mexico, which is why Trump has placed so much emphasis on making it impossible for Mexicans to move to the US through illegal means.
![10 Countries Where Most of The Illegal Immigrants Came From](https://imonkey-blog.imgix.net/blog/wp-content/uploads/2017/02/13110422/shutterstock_464574020-750x418.jpg?auto=fortmat&fit=clip&expires=1770508800&width=480&height=267)
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