Migration is a major issue globally. In the past few years the mass migration of people from the Middle East and Africa into Europe has become a major headline news for the media and politicians alike.
Sometimes migration from one specific country to another tend to be very high for a variety of reasons. For instance it could be due to the reason that the two countries are neighbors such as Mexico and the US and the strong economic, political, cultural links between them.
The following neat graphic shows the 10 biggest binational migration flows during 2010-2015:
Click to enlarge
Source: Global Migration? Actually, The World Is Staying Home, Der Speigel
The three top source countries for migrants into the US are Mexico, India and China.