How we became more than 7 billion – humanity’s population explosion

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From our origins in Africa, humans began migrating around the globe roughly 100,000 years ago. But it was only with the advent of agriculture about 12,000 years ago that our population started to swell to more than a million. This data visualisation from the American Museum of Natural History beautifully charts humanity’s stunning – and increasingly alarming – exponential expansion to our current population of roughly 7.4 billion.

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