Population pyramids: Powerful predictors of the future - Kim Preshoff
View full lesson: http://ed.ted.com/lessons/population-pyramids-powerful-predictors-of-the-future-kim-preshoff Population statistics are like crystal balls -- when examined closely, they can...
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Translator: Jessica Ruby Reviewer: Caroline Cristal Russia, with the largest territory in the world, has roughly the same total population as Nigeria, a country 1/16 its size. But this similarity won't last long. One of the populations is rapidly growing, while the other is slowly declining. What can this tell us about the two countries? Population statistics are some of the most important data social scientists and policy experts have to work with. But understanding a country's situation and making accurate predictions requires knowing not just the total size of the population but its internal characteristics, such as age and gender distribution. So, how can we keep track of all that data in a way that makes it easy to comprehend? Complex d...
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Translator: Jessica Ruby Reviewer: Caroline Cristal Russia, with the largest territory in the world, has roughly the same total population as Nigeria, a country 1/16 its size. But this similarity won't last long. One of the populations is rapidly growing, while the other is slowly declining. What can this tell us about the two countries? Population statistics are some of the most important data social scientists and policy experts have to work with. But understanding a country's situation and making accurate predictions requires knowing not just the total size of the population but its internal characteristics, such as age and gender distribution. So, how can we keep track of all that data in a way that makes it easy to comprehend? Complex d...
