Created by William and Mary students for Econ 449, American Economic Mobility Over Two Centuries. Source for the underlying data: U.S. Census Bureau (2017). ​Selected Population Profile in the United States, 2017 American Community Survey 1-Year Estimates. R​ etrieved from https://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?src= bkmk#​.