LIFE EXPECTANCY

Life expectancy is a statistical measure of the average time an organism is expected to live, based on the year of their birth, their current age and other demographic factors including sex. 
-The 10 countries with the highest life expectancy are: Japan, Switzerlan,Singapore,Spain,Australia,Italy,Iceland,Israel,France and finally Sweden.
-The 10 countries with the lowest life expectancy are: 
Sierra Leone, Angola, Central Africa Republic, Chad, Côte d´ Ivoire, Lesotho, Nigeria, Somalia, Cameroon and finally South Sudan.