The child mortality rate in 1800, 1950, and 2015
— Max Roser (@MaxCRoser) February 16, 2019
Three maps by @HannahRitchie02 from her posthttps://t.co/tjn0oZyZCS pic.twitter.com/JVZiE2SRmi
Friday, February 15, 2019
The child mortality rate in 1800, 1950, and 2015
