The Gapminder Foundation is dedicated to using statistics to inform people about the ways in which our world has changed and continues to change. The coolest tool on its website is Gapminder World, which allows anyone to make animated graphs showing how different statistics — ranging from carbon dioxide emissions, to income inequality, to the ratio of boys to girls in school — have changed in different countries over time.

We made a graph to show how child mortality and life expectancy have changed around the world since 1950 (animated below; interactive version here).

The countries are color-coded by region: red is East Asia and the Pacific, orange is Europe and Central Asia, yellow is the Americas, green is the Middle East and North Africa, light blue is South Asia, and dark blue is Sub-Saharan Africa.