Fork of Fork of Fork of Interactive Stacked Bar Chart
This interactive stacked bar chart visualizes the population of the world's most populous countries, segmented by religion, based on 2010 Pew Research data. Built with D3.js, it uses the `flatRollup` and `stack` functions to aggregate and stack the data. Each bar represents a country, showing the estimated breakdown of religious groups. Hovering over the interactive color legend highlights that religion across all bars, with a corresponding stroke on the chart's segments, facilitating easy comparison of religious demographics.