Source: World Bank
Release: World Development Indicators
Life expectancy at birth indicates the number of years a newborn infant would live if prevailing patterns of mortality at the time of its birth were to stay the same throughout its life.
Nations that are included in this data series are listed at http://data.worldbank.org/about/country-and-lending-groups
Source Indicator: SP.DYN.LE00.IN
World Bank, Life Expectancy at Birth, Total for Middle Income Countries [SPDYNLE00INMIC], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/SPDYNLE00INMIC, July 22, 2019.