Healthier and Wealthier: Seven Billion and Counting

by Roger Alford

Today is an historic day in world population statistics, marking the day that planet reaches seven billion inhabitants. What is amazing is, despite the phenomenal growth in population, the citizens of the world are becoming healthier and wealthier every year. Gapminder has an incredibly interesting timeline that shows the progression of life expectancy (y axis) and income per person (x axis) from 1800 to the present. Push the play button and watch the world’s inhabitants grow healthier and wealthier than ever before in the history of the world.

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