Population pyramids: Powerful predictors of the future
4:46
TEDKim Preshoff
Population pyramids: Powerful predictors of the future
Population statistics are like crystal balls — when examined closely, they can help predict a country’s future (and give important clues about the past). Kim Preshoff explains how using a visual tool called a population pyramid helps policymakers and social scientists make sense of the statistics, using three different countries' pyramids ...
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