Italy population pyramid evolution 1872-2020
thingiverse
This shows how the age sex structure and total population of Italy has changed over the past 150 years. Observe the effects of Spanish flu epidemic, two world wars, falling fertility, increasing longevity, Age heaping (people rounding their ages in early censuses), lots of other features. Scale: 1mm = 10,000 people (x axis) 1 year of time (y axis - 1872-2020), 1 year of age (z axis - aged zero to 110+) Males on the left (looking from past to future), females on the right.
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