Circles on a Map

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Circles on a Map

✓ Published0🌍 Public

Last edited Jun 7, 2020

Created on Jun 7, 2020

This visualization shows global population by country, with circles positioned at each country’s centroid. Circle area encodes population size, while a size legend communicates the scale; hovering reveals exact values or “missing data.” Users can pan and zoom the map. Built with D3 v5, it uses `d3.geoNaturalEarth1` and `d3.geoPath` for projection, `d3.zoom` for interaction, and `d3.scaleSqrt` for area encoding. Country boundaries come from TopoJSON, with population data loaded via CSV.

AI-generated description

Visualizing 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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