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A horizontal stacked bar chart ranks the top 10 most populous countries by total population, with each bar segmented by land area categories. A linked categorical color legend allows hovering to highlight and fade corresponding segments. The visualization uses D3.js APIs including `flatRollup`, `stack`, `scaleLinear`, and `scaleBand` for data aggregation and layout. The responsive design uses `observeResize`, while `colorLegend` functions handle interactive highlighting. Data comes from the `religionByCountryTop20.csv` file.
AI-generated descriptionStacked bars showing estimated religion breakdown of the most populous 20 countries in 2010. Based on an example from the tutorial Splitting Charts. Interactions:
- Hover over the legend to highlight religions.
Data is from The Global Religious Landscape by Pew Research, generated using this processing script.