Net Migration of the Population by Age, Sex, and Race, 1950-1970 Bowles, Gladys K. Tarver, James D. Beale, Calvin L. Lee, Everette S. age demographic characteristics gender population population migration race vital statistics NACDA.I ICPSR.I.A.4 These data files contain estimates of net migration by age, race, and sex for United States counties from 1950 to 1960 and from 1960 to 1970. These estimates were derived from census-survival ratio forward methods, adjusted to be consistent with vital statistics by county. The files contain geographical identifiers such as state, division, region, county name and GEO code. Data on births according to sex and race are presented as well as total population according to age. Net migration estimates and net migration rates for each category also are included. 2006-01-18 aggregate data 8493 10.3886/ICPSR08493.v1 United States Department of Agriculture reports. United States 1950--1970 ICPSR metadata records are licensed under a Creative Commons Attribution-Noncommercial 3.0 United States License (http://creativecommons.org/licenses/by-nc/3.0/us/).