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Megacities a challenge for sustainable development-infographic

Megacities a challenge for sustainable development-infographic

The megacity infographic shows the current numbers of the city inhabitants worldwide. Out of 30 megacities, 17 are Asians, 5 Europeans, 6 Americans (both south and north) and finally 2 Africans. At the beginning of the twentieth century, 10% of the world’s population lived in the city’s, a century later more than 50%.

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