This bar chart displays population estimates for ten countries, using horizontal bars ordered by decreasing population with the largest at the top. The visualization loads data from a CSV file and renders it as SVG rectangles. It uses D3 v5 APIs including `csv`, `scaleLinear`, `scaleBand`, `axisLeft`, `axisBottom`, and `format` to create the scales, axes, and tick labels. The y-axis labels show country names, while the x-axis uses abbreviated population values formatted with the `.3s` specifier.