In 1820, 94% of the world's population lived in extreme poverty. In 1990, 34.8%, and in 2015, just 9.6%.

In 1820, 94% of the world's population lived in extreme poverty. In 1990, 34.8%, and in 2015, just 9.6%. https://t.co/mN2Z7uE0oa

— HumanProgress.org (@HumanProgress) February 26, 2019