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population pyramid

noun, Sociology
a graph showing the distribution of a population by sex, age, etc.
Origin of population pyramid
1945-50 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for population pyramid
  • Both of the above trends are evident in the modified population pyramid show below.
British Dictionary definitions for population pyramid

population pyramid

a pyramid-shaped diagram illustrating the age distribution of a population: the youngest are represented by a rectangle at the base, the oldest by one at the apex
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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