Age Distribution in the World

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A ternary diagram is a graph that shows the proportion of three variables as a position in an equilateral triangle. The three variables have a constant sum (in this case to unity). This particular diagram shows the population proportion of children (), adults (), and elderly () for different countries. The proportions have been color-coded to facilitate interpretation. This Demonstration uses Mathematica's geographical data to calculate the proportions and for the flags. You can choose a continent or the whole world. Countries with missing data are omitted.

Contributed by: Christopher Pehl and Sergio Hannibal Mejia (Yokohama International School) (August 2010)
Open content licensed under CC BY-NC-SA


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