MapTheCloudsDay 34. Historical timelines as a comparison tool 📊
When events unfold at different speeds, how do you compare them without distorting their duration?
This visualization shows the global race for COVID-19 vaccination (April 25, 2021). Each bar represents the share of the population with at least one dose, with colors indicating world regions. Data from ourworldindata and naturalearthdata.
Inspired by Mike Bostock’s Bar Chart Race.
https://maptheclouds.com/playground/30-day-chart-challenge/comparisons/historical/