Interesting, there seems to be some truth to this. I've known that immigration was a major cause of US population growth. http://www.brookings.edu/research/pape

Interesting, there seems to be some truth to this. I've known that immigration was a major cause of US population growth. http://www.brookings.edu/research/papers/2012/03/15-immigrant-workers-singer#3 http://www.brookings.edu/research/papers/2012/03/15-immigran... The premise of the main article, though, is that the major impact of globalization has been the decline in higher-wage sectors such as manufacturing, wheres immigrants are competing more in lower-wage sectors.