Note: Middle series projection.
Source: U.S. Department of Commerce, U.S. Census Bureau, Statistical
Abstract of the United States 1999
(Washington, DC: 1999). Projections: U.S. Department of Commerce, U.S. Census Bureau. Annual Projections of the Total Resident Population as of July 1: Middle, Lowest, Highest, and Zero International Migration Series, 1999 to 2100, available at http://www.census.gov/population/projections/nation/summary/np-t1.txt, as of Sept. 3, 2000.