Recent studies show that it's lower than in Canada and Western Europe, certainly. New York Times link included below less for its mediocre writing than because

Recent studies show that it's lower than in Canada and Western Europe, certainly. New York Times link included below less for its mediocre writing than because it actually links to PDFs of several of these studies. http://www.nytimes.com/2012/01/05/us/harder-for-americans-to-rise-from-lower-rungs.html?_r=1&sq=mobility&st=cse&scp=1&pagewanted=all http://www.nytimes.com/2012/01/05/us/harder-for-americans-to...