sentences:  The U.S. has the highest level of income inequality among its (post-)industrialized peers.When measured for all households, U.S. income inequality is comparable to other developed countries before taxes and transfers, but is among the highest after taxes and transfers, meaning the U.S. shifts relatively less income from higher income households to lower income households.In 2016, average market income was $15,600 for the lowest quintile and $280,300 for the highest quintile.