# Dependency Ratio

 Dependent Population: Working Age Population:

Output: `Press calculate`

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Formula:`DR = (DP / WAP) * 100`

## Introduction to Dependency Ratio

The dependency ratio is a demographic measure that shows the number of dependents (aged under 15 or over 64) to the total working-age population (aged 15 to 64). The result is expressed as a percentage and is used to assess the pressure on the working population to support non-working age groups.

## Parameter usage:

• `DP` = dependent population (under 15 or over 64)
• `WAP` = working-age population (15 to 64)

## Output:

• `DR` = dependency ratio in percentage

## Data validation

The numbers should be greater than or equal to zero. Additionally, the working-age population should not be zero.

## Summary

This formula provides a metric for understanding the proportion of the population that is dependent on the working-age population.