Source: World Bank
Release: World Development Indicators
Age dependency ratio, old, is the ratio of older dependents (people older than 64) to the working-age population (those ages 15-64). Data are shown as the proportion of dependents per 100 working-age population.
Source Indicator: SP.POP.DPND.OL
World Bank, Age Dependency Ratio: Older Dependents to Working-Age Population for the United States [SPPOPDPNDOLUSA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/SPPOPDPNDOLUSA, May 21, 2018.