Source: World Bank
Release: World Development Indicators
Total fertility rate represents the number of children that would be born to a woman if she were to live to the end of her childbearing years and bear children in accordance with current age-specific fertility rates.
World Bank Source: (1) United Nations Population Division. World Population Prospects, (2) United Nations Statistical Division. Population and Vital Statistics Report (various years), (3) Census reports and other statistical publications from national statistical offices, (4) Eurostat: Demographic Statistics, (5) Secretariat of the Pacific Community: Statistics and Demography Program, and (6) U.S. Census Bureau: International Database
Source Indicator: SP.DYN.TFRT.IN
World Bank, Fertility Rate, Total for Poland [SPDYNTFRTINPOL], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/SPDYNTFRTINPOL, May 11, 2021.