Gallup - About 13% of the world's adults -- or more than 640 million people -- say they would like to leave their country permanently. Roughly 150 million of them say they would like to move to the U.S. -- giving it the undisputed title as the world's most desired destination for potential migrants since Gallup started tracking these patterns in 2007. Large numbers are attracted to the United Kingdom (45 million), Canada (42 million), France (32 million), and Saudi Arabia (31 million).
Potential migrants who say they would like to move to the U.S. are most likely to come from populous countries such as China (22 million), Nigeria (15 million), India (10 million), Bangladesh (8 million), or Brazil (7 million).
The 640 million is actually about a ten percent drop from a poll in 2009.
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