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JJingyi Feng
Last edited Dec 15, 2022
Created on Dec 15, 2022
Forked from Making a Bar Chart

This bar chart displays the top 10 most populous countries using 2018 United Nations population estimates, with values reformatted to show billions. The visualization uses D3 v5’s `scaleLinear` and `scaleBand` to map population and country names, while `axisBottom` and `axisLeft` render the axes. The chart features a custom tick formatter that abbreviates numbers with `format('.3s')`, and SVG rectangles are colored steelblue via CSS. Data is loaded from a CSV file and rendered with d3.csv.

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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.