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Fork of Circles on a Map
This visualization displays global population data for 2018 using proportional circles positioned at country centroids on a natural Earth projection. A square-root scale encodes population values as circle areas, with a color legend indicating missing data. Users can pan and zoom the map, and hover over countries for detailed population figures sourced from UN data. The implementation uses d3.geoPath for map rendering, d3.scaleSqrt for sizing, and d3.zoom for interactive navigation.
AI-generated descriptionVisualizing population by country using circles on a map! The area of each circle corresponds to the population of the country it represents. You can also pan & zoom, and hover over each country for more information.
MIT Licensed
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