World population ageing, 1950-2050 / 
Department of Economic and Social Affairs, Population Division. 
 - New York :  United Nations,  2002. 
 - xlix, 483 p. :  col. ill. ;  28 cm. 
<br/><br/> "United Nations publication sales no. E.02.XIII.3"--T.p. verso.  "ST/ESA/SER.A/207." 
<br/><br/><label>ISBN: </label>9210510925 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Older people--Statistics.<br/>Age distribution (Demography)--Statistics.<br/>Population--Statistics.
<br/><br/><label>Dewey Class. No.: </label>301.32  / UNI P02W