How ya gonna keep em down on the farm?…
This simple interactive animation by Periscopic, in partnership with UNICEF, illustrates the changes in urban population from 1950 up to present, through projections for 2050. Circle size represents urban population and color is an indicator for the percentage of people living in cities or towns.
[via Flowing Data]
As we contemplate concentration, we might celebrate International Women’s Day.

Poster for Women's Day, March 8, 1914
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