Life expectancy is the average number of years a person would live at the time of birth. Based on this, Japan has the highest overall life expectancy of 82.6 years. In that also, life expectancy of female is the highest in the world with 86.1 years. The average expectancy of male in Japan is 79 years.
The highest average life expectancy in male of 80.2 can be seen in Iceland, which has the 5th highest overall life expectancy of 81.8. Female also have more than 80 years of life expectancy at birth.
It can be deduced that women on average live longer than their men counterparts in almost all countries, except Lesotho, Zimbabwe, Swaziland and Afghanistan. The life expectancy of women in Zimbabwe is 42.6, Lesotho 42.3, Swaziland 39.4 and Afghanistan with 43.8.