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Population decline next century is set to be as rapid as population growth last century. Demographics Professor explains why:

10,128 次观看 • 1 年前 •via X (Twitter)

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“Africa, if you add up the 55 countries of the African Union, that’s about 1.5 billion people—same size as India, same size as China. The big difference is that the imperial powers divided Africa into 55 little countries, not one of which can thrive on its own, whereas India and China, because of the history, remained. So I tell them every single time I have the opportunity that the African Union is the key. As 55 you can’t make it, but as one African continental economy you can make it. So what’s happening now is Africa’s population is continuing to rise—it’s the only place in the world with rapid population growth—and all the others are declining. Everyone else has peaked or is just about to peak or actually beginning a decline. Africa’s population today is 1.5 billion. By 2050 it’ll be 2.5 billion. That’s a lot, adding a billion people in the next quarter century. If you go even farther and just try to extrapolate based on current trends, Africa’s population reaches about 3.5 billion. According to the UN’s most recent forecast, 3.7 billion by the end of the 21st century. And Africa goes from being 9% of the world population to being more than 30% of the world population. It’s going to be a completely different world. What do I say to African leaders every time? Be Africa-wide. Second, get on quickly with mass education, because that is the key to economic development. Third, look at what China did—follow that model.” —Jeffrey D. Sachs, American economist.✅

Aikon

150,854 次观看 • 4 个月前