"The study, conducted by the left-leaning Economic Policy Institute (EPI), finds that from 2000 to 2014, American workers’ total productivity increased 21.6 percent, while the median worker’s compensation, including pay and benefits, rose just 1.8 percent.

The new data continue a trend that goes back decades. From 1973 to 2014, "American worker productivity increased 72.2 percent while median worker compensation rose just 8.7 percent. From 1948 to 1973, by contrast, typical worker compensation and productivity grew at roughly the same rate.