Data source: UN - World Population Prospects 2024

Tools used: Matplotlib

The dataset offers multiple projections/simulations of population growth. In this chart, I'm using the most commonly used projection, which is called "Medium" in the data.

Author: https://old.reddit.com/r/dataisbeautiful/comments/1f4smum/oc_chinas_age_distribution_from_1950_to_2100/