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The Population pyramid often contains stacked-histogram bars. The population size is depicted on the x-axis, and the age-groups on y-axis[1]A pyramid can be described as stationary if the percentages of population (age and sex) remain constant over time[2]. Stationary population is when a population have equal birth rates and death rates
[2]. The population is said to be fast-growing, and the size of each birth cohort is larger than thee size of the pervious year.
[3]This tool can be used to visualize sex and age composition of a particular population[2].
- ^ "population pyramid | sociology". Encyclopedia Britannica. Retrieved 2017-03-29.
- ^ a b c weeks, John (2001). Population An Introduction to concepts and issues. Wadsworth. p. 309. ISBN 978-1305094505..
{{cite book}}: Check|isbn=value: invalid character (help) - ^ Korenjak-Cˇ erne, Kejžar, Batagelj (2008). ""Clustering of Population Pyramids"". Informatics. 32.
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