Plotting life expectancy against income for every country since 1810, we are able to see the impact of income (and subsequently related factors such as education, healthcare systems and more) on the health status of 200 countries.
If the population of the world was only 100 people, what would society look like?
This video puts the developing vs. developed world into context. What inequalities do we see when the world is scaled down to only 100 people? These inequalities, within this small 'village', are representative of the inequalities facing those living in developing countries.