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Melting Data for Multiple Lines

✓ Published1🌍 Public
Zzenoe
Last edited Oct 23, 2021
Created on Oct 23, 2021

This visualization displays population trends over time for global regions, using multiple colored lines to represent each region’s population from 1950 to 2100. The chart leverages d3’s `scaleTime`, `scaleLinear`, `axisBottom`, and `axisLeft` to render axes, while `line` with `curveBasis` draws smooth paths. Data is melted from UN population estimates, combining historical and projected figures. A `colorLegend` highlights region names, with lines sorted by their final population value.

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