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
population pyramid in American English
noun
Sociology
a graph showing the distribution of a population by sex, age, etc
Word origin
[1945–50]This word is first recorded in the period 1945–50. Other words that entered Englishat around the same time include: fail-safe, regression analysis, spin-off, synchronized swimming, taxi squad
Examples of 'population pyramid' in a sentence
population pyramid
A variation on the conventional population pyramid, termed here a components-of-change pyramid, was created.
Tom Wilson 2016, 'Visualising the demographic factors which shape population age structure', Demographic Researchhttps://www.demographic-research.org/volumes/vol35/29/. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)