Life Expectancy by Country in 2013. This is a filtered layer based on the "Life Expectancy by country, 1960-2010 time series" layer.Life expectancy values are included for males, females, and total population. 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. Data Sources: United Nations Population Division. World Population Prospects, United Nations Statistical Division. Population and Vital Statistics Report, Census reports and other statistical publications from national statistical offices, Eurostat: Demographic Statistics, Secretariat of the Pacific Community: Statistics and Demography Programme, U.S. Census Bureau: International Database via World Bank DataBank; Natural Earth 50M scale data.