Human Population Size Video by Bozeman Science

In this video Paul Andersen explains how the world population has undergone exponential growth since the industrial revolution. Predicting the future world population is difficult because each country will grow at different rates. Age-structure diagrams and the demographic transition model can allow countries to plan for future growth. Government policy can either increase or decrease population growth to avoid catastrophe. China's one-child policy is an example of one such policy.

 

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