what is a population pyramaid
Answers
Population pyramids are an interesting means of studying population pattern of any country. They may be useful in knowing ratio of male - female population of any country, the age group of various people, etc. In countries like Japan, low birthrates make pryamid narrow at the bottom. In India, on the other hand, the pyramid is broad in the younger age group because now more infants survive to adulthood....
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@PoojaBBSR
A population pyramid, also called an "age-sex pyramid", is a graphical illustration that shows the distribution of various age groups in a population (typically that of a country or region of the world), which forms the shape of a pyramid when the population is growing.[1] 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. This tool can be used to visualize and age of a particular population.[2] 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.