Source: World Bank
Release: World Development Indicators
Nations that are included in this data series are listed at https://datahelpdesk.worldbank.org/knowledgebase/articles/906519
Source Indicator: SP.POP.1564.TO.ZS
World Bank, Population Ages 15 to 64 for Central Europe and the Baltics [SPPOP1564TOZSCEB], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/SPPOP1564TOZSCEB, April 7, 2020.