Population Pyramid

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Population Pyramid

✓ Published0🌍 Public

Last edited Feb 9, 2016

Created on Feb 10, 2017

This visualization shows the changing distribution of age groups in the United States from 1850 to 2000 as an animated population pyramid. Overlapping blue and pink bars represent male and female populations for five-year age brackets, with transparency revealing sex differences. Using d3.v3, the code builds the chart with SVG elements and transitions, while arrow keys trigger updates that slide the birthyear axis and resize bars. Data comes from the Minnesota Population Center via a CSV file.

AI-generated description

This diagram shows the distribution of age groups in the United States over the last 150 years. Use the arrow keys to observe the changing population. Data from the Minnesota Population Center. Use the arrow keys to change the displayed year. The blue bars are the male population for each five-year age bracket, while the pink bars are the female population; the bars are partially transparent so that you can see how they overlap, unlike the traditional side-by-side display which makes it difficult to compare the relative distribution of the sexes.

gpl-3.0 Licensed

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