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This bar chart displays the 2022 population for countries worldwide, with bar height mapped to population values and blue circles marking each data point. Users can re-sort the countries in ascending or descending order via two buttons. Built with D3 v5, the visualization uses `scaleBand` and `scaleLinear` for axes, `transition()` for animated updates, and `mouseover` events to show population details in a tooltip. Data comes from a CSV file containing population figures across multiple decades. The SVG rendering includes rotated country labels for readability.
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