Source: World Bank
Release: World Development Indicators
Nations that are included in this data series are listed at http://data.worldbank.org/about/country-and-lending-groups
Source Indicator: SP.POP.1564.TO.ZS
World Bank, Population Ages 15 to 64: All Income Levels for Europe and Central Asia [SPPOP1564TOZSECS], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/SPPOP1564TOZSECS, September 19, 2020.