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The Uncontacted Frontier - Transnational area with highest concentration of uncontacted tribes on Earth
(assets.survivalinternational.org)
For the map enthused!
Rules:
post relevant content: interesting, informative, and/or pretty maps
be nice
I wouldn't trust any count. By definition, we don't know them very well, and you need a certain level of cultural insight to pick apart ethnic groups that are all rainforest hunter-gatherers.
Surly we can do some statistical application to give us a rough number would be awsome if it had error as well