Making a Bar Chart

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Making a Bar Chart

✓ Published1🌍 Public

Last edited Dec 19, 2020

Created on Dec 19, 2020

This example visualizes the 2018 populations of the ten most populous countries as a horizontal bar chart, with each bar’s length proportional to its population and a custom axis labeling numbers in billions. Built with D3 v5, it loads data from a CSV file, uses `scaleLinear` and `scaleBand` to map values, and renders axes via `axisBottom` and `axisLeft`. The SVG output includes a title and axis label, with gridlines and styled steel-blue bars, while the axis tick format converts large numbers to a readable "B" suffix.

AI-generated description

This bar chart shows population of the top 10 most populous countries. The data comes from the year 2018 estimate in United Nations: World Population Prospects 2017. It also demonstrates customization of D3 axes.

MIT Licensed

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Making a Bar Chart

This example visualizes the 2018 population estimates of the ten most populous countries as horizontal bars. The chart uses D3 version 5.6, with an SVG canvas. The code employs D3's `scaleBand` and `scaleLinear` to map country names and population counts to y- and x-coordinates, respectively, while `axisLeft` renders the y-axis labels. Data is loaded asynchronously from a CSV file via `csv()` and parsed into numbers, with each bar’s length encoding the population value.

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