This is a bar chart displaying the top 10 most populous countries, sorted by population, using data from the United Nations World Population Prospects 2019. The chart uses React and D3 v5, with scales created via `d3.scaleBand` and `d3.scaleLinear` to map countries and population values to SVG coordinates. Horizontal bars are rendered as SVG rectangles, with hover tooltips showing the formatted population value. Styling is applied via CSS, using the Poppins font and a teal color scheme.