In Hans Rosling's iconic TED Talk he showed why our ongoing perceptions of a "first" world and a "third" world are wrong and that the world is now a spectrum of developing countries and many advances have been made since our early notions of development from the 60s.
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You can skip ahead to 3m 58s to see him talking through the plot we've just made. Or sit back and enjoy a great example of statistics communication.
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