This interactive bar chart displays the top ten most populous countries in 2020, based on data from the 2019 United Nations Population Prospects, loaded via a CSV file. The visualization uses React hooks to fetch and manage the data, while D3’s `scaleBand` and `scaleLinear` position and size each rectangular bar within an SVG canvas. The chart renders directly in the browser, with country names on the y-axis and population values mapped to bar widths.