Population pyramid
A population pyramid is a graph. It has two back-to-back bars. These bars show the population in groups of ages, with women on one side and men on the other side.
The pyramids show the age distribution of the place, which can help in understanding and predicting the development of a country.
There are three types of population pyramids:
- Stationary pyramid shows a constant population, with equal birth rate and death rate
- Expansive pyramid shows a growing population
- Constrictive pyramid shows a shrinking population
In this type of graph, a wide base means a very high birth rate and a narrow base means a low birth rate.
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Population Pyramid Media
World population pyramid from 1950 to projected in 2100 (UN, World Population Prospects 2017)
Median age by country
Population pyramid of Nigeria in 2020, similar to all of sub-Saharan Africa
Median age by country. A youth bulge is evident for Africa, and to a lesser extent for the Middle East, South Asia, Southeast Asia, and Central America.
Map of countries by total fertility rate (2022–2023), referring to the average number of children that are born to a woman over her lifetime, according to the Population Reference Bureau.
Population pyramid of Afghanistan (Expansive)
Population pyramid of Ecuador (Stationary)
Population pyramid of Italy (Constrictive)
Population pyramid of Qatar (Unbalanced)
Population pyramid of Egypt in 2005. Many of those 30 and younger are educated citizens who are experiencing difficulty finding work.
