There are 15 countries according to this study: https://inequality.stanford.edu/sites/default/files/Pathways-SOTU-2016-Economic-Mobility-3.pdf https://inequalit

There are 15 countries according to this study: https://inequality.stanford.edu/sites/default/files/Pathways-SOTU-2016-Economic-Mobility-3.pdf https://inequality.stanford.edu/sites/default/files/Pathways... Also see - https://www.trutv.com/shows/adam-ruins-everything/blog/adams-sources/adam-ruins-america.html https://www.trutv.com/shows/adam-ruins-everything/blog/adams...