Brief How Did Income and Wealth Change for Middle-Income Families Over the Last Two Decades? Robert I. Lerman, Henry Chen Display Date October 24, 2006 File File Download Report (306.95 KB) Over the last two decades, American households have generated healthy increases in wealth, but only modest increases in income. Research Areas Economic mobility and inequality Families Wealth and financial well-being Tags Economic well-being Income and wealth distribution Policy Centers Income and Benefits Policy Center