Median age
Median Age
The Median age is a statistical measure that divides the age distribution of a population into two equal parts: half the people are younger than the median age and half are older. It is a single index that summarizes the age distribution of a population.
Calculation[edit | edit source]
The median age is calculated by arranging all the ages of all individuals in a population in ascending order. The age that falls exactly in the middle is the median age. If there is an even number of individuals, the median age is the average of the two middle numbers.
Use in Demographics[edit | edit source]
In demographics, the median age is often used to understand the age distribution of a population, in conjunction with other measures such as the mean and mode. It is particularly useful in understanding the age structure of a population, which can have significant implications for social and economic policies.
Global Median Age[edit | edit source]
The global median age has been increasing over the past few decades due to declining fertility rates and increasing life expectancy. This trend is expected to continue in the future, leading to an aging global population.
Median Age by Country[edit | edit source]
The median age varies significantly by country, reflecting differences in fertility rates, life expectancy, and migration patterns. Countries with a high median age tend to have lower fertility rates and higher life expectancy, while those with a low median age tend to have higher fertility rates and lower life expectancy.
See Also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD
