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Making a Bar Chart with React & D3

✓ Published1🌍 Public
ZZoe Ferencova
Last edited Mar 8, 2023
Created on Mar 7, 2023

This example demonstrates how to build a bar chart by combining React's component model with D3's scaling and data processing utilities. The chart displays the top 10 most populous countries for 2020, sourced from a CSV file of UN population data, with each bar's height determined by the country's population value. The code uses `d3.scaleBand` for the categorical y-axis, `d3.scaleLinear` for the quantitative x-axis, and React's `useState` and `useEffect` hooks to asynchronously load and process the data. The visualization is rendered as an SVG with simple `rect` elements.

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MIT Licensed

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