World population ageing, 1950-2050 - United Nations. Dept. of Economic and Social Affairs. Population Division (New York United Nations, 2002)
"United Nations publication sales no. E.02.XIII.3"--T.p. verso.
"ST/ESA/SER.A/207."
Summaries in Arabic, Chinese, French, Russian, and Spanish.
Keywords: Aged -- Statistics; Age distribution (Demography) -- Statistics; Population -- Statistics