Changing age structure of the U.S., 1900-2020
Subtitle: a series of population pyramids
By: James C. Richardson, Doris P. Slesinger, Nancy J. Hurley.
Series: Population series ;; 90-1; Population series (Madision, Wis.) ;; 90-1.
Publisher: Applied Population Laboratory, Dept. of Rural Sociology, College of Agricultural and Life Sciences, University of Wisconsin-Madison/Extension
Published: 1993
Place of publication: Madison, Wis. (1450 Linden Dr., Rm. 308, Madison 53706)
Language: eng
Number of pages: 27
Subjects: Age distribution (Demography) -- United States -- Statistics.; United States -- Statistics, Vital.