Key points from article :
It’s often argued that life expectancy across the world has only increased because child mortality has fallen.
We’ve not just prevented young children from dying - but even improved the survival of older children, adolescents & adults.
Life expectancy has increased at all ages.
Since the mid-19th century life expectancy at birth doubled from around 40 years to more than 81 years across all regions of the world
Mortality rates declined, and consequently life expectancy increased, for all age groups.
Life expectancy has even increasing except for the big decline in 1918 due to the Spanish flu.
Even then the life expectancy of older people barely changed.
