Via Shamus Khan, I found the Economic Policy Institute’s interactive graph that lets you see which Americans have earned most of the growth (or, more recently, suffered the losses) in U.S. incomes over time, based on IRS data (and reported in constant 2008 dollars):

You can select beginning and ending points and find out how incomes changed during that period and how the growth was distributed. For instance, the increase in average incomes between 1950 and 1960 were widely distributed:

If we look at the 10-year span between 1995 and 2005, the increase was much more concentrated among the very wealthy:

The data come from a study on historical income in equality in the U.S. by economists Thomas Piketty and Emmanuel Saez. They compare the share of income earned by the richest 0.1% of earners in the U.S., France, and the U.K.:

See our previous posts on Saez’s work here and here.