Created by William and Mary students for Econ 449, American Economic Mobility Over Two Centuries. Source for the underlying data: U.S. Census Bureau, 1900. Sex, Nativity, and Color. Volume 1: Population of States and Territories. Table 9 - Population by Sex, General Nativity, and Color, by States and Territories: 1900. Retrieved from https://www2.census.gov/prod2/decennial/documents/33405927v1_TOC.pdf.