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World map

✓ Published2🌍 Public
TTakuya Kitazawa
Last edited Jan 15, 2021
Created on Jan 14, 2021
Forked from Line chart

This world map visualizes global city populations, with semi-transparent circles sized by population using a square-root scale. A Natural Earth projection draws the landmasses, graticule, and country borders via D3's `geoNaturalEarth1` and `geoPath`, while city coordinates are projected and rendered as SVG circles. The map loads geographic data from World Atlas TopoJSON and population data from a CSV, using `topojson.feature` and `topojson.mesh` to construct the land and interior boundaries.

AI-generated description

Line chart

MIT Licensed

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