Circles on A Map

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Circles on A Map

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Last edited Dec 19, 2020

Created on Dec 19, 2020

This visualization displays global population estimates for 2018 by drawing semi-transparent circles on a natural Earth projection map, with each circle positioned at a country's centroid and sized proportionally to its population. The map also includes a size legend and color legend for reference. Built with D3 v5, it uses `d3.geoNaturalEarth1` and `d3.geoPath` for map rendering, `d3.scaleSqrt` for circle sizing, and `d3.zoom` for interactivity. Population data comes from a UN dataset, with geographic boundaries from TopoJSON, and all elements are rendered as SVG.

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