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Population pyramid

Two distributions, back to back.

import { PopulationPyramid } from "diagrammatic";

Two named sides of one census. Ten-year bands, men left, women right. The silhouette is the pension argument.

Population by age bandmenwomen80+70 to 7960 to 6950 to 5940 to 4930 to 3920 to 2910 to 190 to 9

Illustrative data. Census. Millions.

fig. 33 · An ageing country, one census

The base is already narrower than the 40s. Women outnumber men from 60 upward, and the 80+ bar is almost two-to-one. This is not a stable country; it is an inverted pyramid with a working-age waist.

Use it for
Age and cohort structure compared between two groups.
Watch out
Mirrored bars resist precise comparison; overlay them if exact gaps matter.