Making a Bar Chart

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Making a Bar Chart

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Last edited Sep 9, 2020

Created on Sep 9, 2020

This example shows a horizontal bar chart of the top 10 most populous countries, with population values along the x-axis and country names along the y-axis. Using D3 v5, it loads data from an external CSV file and renders SVG rectangles via `selectAll('rect').data(data).enter()`. The scales are built with `scaleLinear` and `scaleBand`, while axes are generated with `axisLeft` and `axisBottom`. Population numbers are formatted using `format('.3s')` with “B” replacing “G” for billions.

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