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The Highest and Lowest Total Dependency Ratio From 1950 To 2100

00:06 : The Highest Total Dependency Ratio
03:09 : The Lowest Total Dependency Ratio

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Data : Source from UN

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Total Dependency Ratio

The dependency ratio is the number of dependents in a population divided by the number of working age people. Dependents are defined as those aged zero to 14 and those aged 65 and older. Working age is from 15 to 64.
The ratio describes how much pressure an economy faces in supporting its non-productive population. The higher the ratio, the greater burden carried by working-age people. The ratio is most often used when discussing the viability of Social Security because it's paid for with payroll taxes.


The dependency ratio formula is:

DR = (Y + S) / (W x 100)

Where:

DR = Dependency ratio
Y = Youth aged 0-14
S = Seniors aged 65+
W = Workers aged 15-64


Reference link : https://www.thebalance.com/dependency...