5 Facts About Illegal Immigration (Pew Research Center)

This brief guide, produced by the Pew Research Center, offers a snapshot of unauthorized immigrant migration.  According to Pew: "[t]he number of unauthorized immigrants in the U.S. has stabilized in recent years after decades of rapid growth. But the origin countries of unauthorized immigrants have shifted, with the number from Mexico declining since 2009 and the number from elsewhere rising, according to the latest Pew Research Center estimates."