A few issues with these of course, but this is a helpful video,
Population pyramid from Ined on Vimeo.
The population includes males and females of all ages.
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?
Crédits
Designed by : Gilles Pison et Sabine Belloc
Multimedia Project Manager : Thierry Jori
Produced by : SO2 Media
An animation of the French National Institute for Demographic Studies and of Cité des sciences et de l'industrie
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