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A 3D Look at the Largest Population Density Centers

It can be difficult to comprehend the true sizes of megacities, or the global spread of 8 billion people, but this series of population density maps makes the picture abundantly clear.

Charting Income Distributions in 16 Different Countries

Throughout the 19th century, roughly 80% of the global population lived in what we’d now consider extreme poverty.

And as earnings and living conditions have improved dramatically since then, they haven’t done so evenly across the world. There are still vast income gaps, both between different countries and within them.