Brookings, a center-left think-tank, has a pretty good summary of a lot of stats about income-mobility http://www.brookings.edu/~/media/Research/Files/Reports/2

Brookings, a center-left think-tank, has a pretty good summary of a lot of stats about income-mobility http://www.brookings.edu/~/media/Research/Files/Reports/2008/2/economic%20mobility%20sawhill/02_economic_mobility_sawhill_ch1.PDF http://www.brookings.edu/~/media/Research/Files/Reports/2008... (Also, a shorter note from the center-right AEI https://www.aei.org/publication/tracking-the-same-households-over-time-shows-significant-income-mobility/ https://www.aei.org/publication/tracking-the-same-households...)