1950 on the left:
Global life expectancy was 46 years.
In Africa the average was 36
In India 35 years

2015 on the right:
Global life expectancy is 71 years.
In Africa it is 61 (same as Japan in 1950)
In India it is 68 (close to the healthiest country in 1950 – Norway with 72) pic.twitter.com/7mtheYLsXK

— Max Roser (@MaxCRoser) April 24, 2018

via https://twitter.com/MaxCRoser