Old Dependency Ratio

Old Dependency Ratio also called old dependency coefficient, refers to the ratio of the elderly population to the working-age population, express in %. It describes the number of the elderly population that every 100 people at working ages will take care of. Old dependency ratio is one of the indicators reflecting the social implication of population aging from the economic perspective. The old dependency ratio is calculated with the following formula: (The elderly population aged 65 and over)/(The working-age population aged 15-64)*100%.