Age dependency ratio - Country rankings:
The average for 2017 was 58.57 percent.The highest value was in Niger: 111.65 percent and the lowest value was in the United Arab Emirates: 17.7 percent. Below is a chart for all countries where data are available for: Age dependency ratio.
Dependent people as percent of the working age population, 2017
(percent, Source: The World Bank, TheGlobalEconomy.com)