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V4 Immigrants flow map between countries

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Sserjunfan
Last edited Jun 7, 2021
Created on Jun 7, 2021
Forked from Hello VizHub

This map visualizes immigrant flows between countries in 2020 using an interactive world map. Users can click a country to highlight it as the origin and display bundled curved paths projecting to all destination nations, with stroke opacity indicating connection strength. The visualization uses D3 v5's `geoNaturalEarth1` and `geoPath` for map rendering, `d3.ForceEdgeBundling` for curve grouping, and a `scaleSequential` color scale based on migration numbers. Country boundaries derive from TopoJSON world-atlas data, while migration statistics come from a CSV gist.

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MIT Licensed

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