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Fork of Circles on a Map
This visualization shows global population by country, with the area of each circle proportional to that country's 2018 population. It uses a natural Earth projection with D3’s `geoPath` for the map. Pan and zoom via the `zoom` control, and hover reveals detailed population figures. Data is loaded from a CSV of UN population figures and a TopoJSON world atlas, processed with `topojson.feature`. Circles are drawn using SVG, with a size legend generated by `sizeLegend` and a color legend using `colorLegend`.
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.