The United Nations says humanity has reached 8 billion, but Western nations are worried about population decline. Africa isn’t, though. The continent is about to shape the rest of the century.

This episode was produced by Haleema Shah, fact-checked by Laura Bullard, engineered by Efim Shapiro and Cristian Ayala, and edited by Sean Rameswaram who also hosted.

Transcript at vox.com/todayexplained

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