This stylized bar chart visualizes the top 10 most populous countries using United Nations World Population Prospects 2019 data. Horizontal bars represent population values, with axes rendered via custom React components that map scales from d3.scaleBand and d3.scaleLinear. The visualization uses React hooks (useState, useEffect) to fetch CSV data with d3.csv, formats population using d3.format, and renders SVG rect elements with tooltips containing formatted values. A custom Poppins font and teal color scheme give the chart its distinctive styling.