The Demographic Transition, when mortality & fertility rates drop, is worldwide.
— Ethan Mollick (@emollick) June 27, 2023
It starts around when a country reaches a GDP/person between $1.8k-$3k. Out of 186 nations:
🪦All started & 175 finished the mortality transition
👶185 started & 80 finished the fertility transition pic.twitter.com/8zrcboxcGp
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