Based on a comparison of 176 countries in 2050, Hong Kong ranked the highest in life expectancy for both sexes with 84.0 years followed by Japan and Switzerland. On the other end of the scale was Sierra Leone with 46.0 years, Botswana with 48.6 years and Swaziland with 48.8 years.
Average life expectancy for both sexes reached 75.5 years in 2050 in the World according to the National Statistical Office. This is 0.198 % more than in the previous year and 2.01 % more than 10 years ago.
Historically, average life expectancy for both sexes reached an all time high of 75.5 years in 2050 and an all time low of 46.9 years in 1955. The average annual growth amounted to 0.502 % since 1955.
Data for more countries are available at Life Expectancy (Both Sexes) indicator page.