Source: World Bank  

Release: World Development Indicators  

Units:  Percent of Working-Age Population, Not Seasonally Adjusted

Frequency:  Annual

Notes:

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