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It would be interesting to see on a % of US/global population basis. The country colors get much brighter from the 70's on, making it tough to distinguish the
by perpetualpatzer 8y ago
It would be interesting to see on a % of US/global population basis.
The country colors get much brighter from the 70's on, making it tough to distinguish the effects of recent immigration trends from the global population growing from 4 to 7.5 billion over that time.