This bar chart displays population counts for several countries from a CSV file, with each country represented as a horizontal bar. It uses D3 v5’s `scaleLinear` for the x-axis population values and `scaleBand` for the y-axis country categories. The SVG rectangles are appended via data joins, and the chart demonstrates fundamental DOM manipulation with `select`, `csv`, `scaleLinear`, `max`, and `scaleBand`.