Undocumented Immigration in U.S. Seen Rising With Economy

The number of undocumented immigrants in the U.S. may be increasing after dropping off for several years, a new study shows, offering the latest sign the economy is slowly improving.

“The sharp decline in the U.S. population of unauthorized immigrants that accompanied the 2007-2009 recession has bottomed out, and the number may be rising again,” the Washington-based Pew Research Center said in the study released today.