https://www.marketwatch.com/story/this-chart-shows-that-your-parents-income-determines-your-future-2015-07-24
http://www.pewtrusts.org/~/media/assets/2015/07/economicmobilityintheunitedstates.pdf?la=en
"Children raised in low-income American families will likely also have very low incomes as adults, while children raised in high-income families can anticipate a much bigger jump in income, according to a report — “Economic Mobility in the United States” — released Thursday by researchers at Stanford University. It was funded by The Pew Charitable Trusts, a nonprofit public policy organization based in Washington, D.C., and the Russell Sage Foundation, a nonprofit research center in New York City that focuses on social sciences."