Definitions for population pyramid

This page provides all possible meanings and translations of the word population pyramid


  1. Population pyramid

    A population pyramid, also called an age pyramid or age picture diagram, is a graphical illustration that shows the distribution of various age groups in a population, which forms the shape of a pyramid when the population is growing. It is also used in ecology to determine the overall age distribution of a population; an indication of the reproductive capabilities and likelihood of the continuation of a species. It typically consists of two back-to-back bar graphs, with the population plotted on the X-axis and age on the Y-axis, one showing the number of males and one showing females in a particular population in five-year age groups. Males are conventionally shown on the left and females on the right, and they may be measured by raw number or as a percentage of the total population. Population pyramids are often viewed as the most effective way to graphically depict the age and sex distribution of a population, partly because of the very clear image these pyramids present. A great deal of information about the population broken down by age and sex can be read from a population pyramid, and this can shed light on the extent of development and other aspects of the population. A population pyramid also tells how many people of each age range live in the area. There tends to be more females than males in the older age groups, due to females' longer life expectancy.


  1. Chaldean Numerology

    The numerical value of population pyramid in Chaldean Numerology is: 8

  2. Pythagorean Numerology

    The numerical value of population pyramid in Pythagorean Numerology is: 9

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"population pyramid." STANDS4 LLC, 2016. Web. 27 Sep. 2016. < pyramid>.

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