Dezeen » Blog Archive » Age of the World by Mathieu Lehanneur
Found this via @bruces. The individual platters on the jar indicate the size of the population in a specific age group in a particular country.
There are some startling visuals to be found there. Egypt with its very large young population and low life expectancy has a cone like design, were as the USA has a large population in the upper middle age section thanks to the baby boomers. Very cool stuff.

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