Animating the changing shape of the world population pyramid.

Animating the changing shape of the world population pyramid

As the century goes on, the population pyramid will take a rectangle shape.

The French and European Union population pyramids have been superimposed; the overall "profile" of the 27 European member states at the same date is represented in pink (either a pink surface or line).

A recent emphasis on birth spacing and limiting, however, is reflected in the narrowing of the population pyramid base seen under the age of 15.