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Contenu Population pyramidPresentation
To see at a glance how they are distributed by age and sex, demographers use a population pyramid. But, as you will see, it doesn't always have a pyramid shape. And how do we build one? CréditsDesigned by : Gilles Pison et Sabine Belloc ![]() Une animation de l'Institut national d'études démographiques et de la Cité des sciences et de l'industrie ![]() Last update : November 12 2008 |