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Trajectory of the Slave Population in the United States (U.S.) from 1790 until 1860. This figure used with permission from (copyleft 2007) Chad David Cover. Data derived from “Series A 119–134. Population by Age, Sex, Race, and Nativity: 1790–1970.” U.S. Bureau of the Census, Historical Statistics of the United States, Colonial Times to 1970. Bicentennial Edition, Part 2. Washington, D.C., 1975.
