This example displays a horizontal bar chart of the top 10 most populous countries, using a React component that fetches CSV data with `d3.csv` and renders SVG marks via JSX. It leverages `scaleBand` for the y-axis country categories, `scaleLinear` for the x-axis population values, and `max` to compute the domain. The chart includes custom tick labels and grid lines generated from `xScale.ticks`, with bars styled as `rect` elements.