This horizontal bar chart displays the top 10 countries by population in the year 2000, using steelblue bars scaled with a linear x-axis and a banded y-axis. Built with D3 v7, it loads population data from a GitHub CSV via `d3.csv`, then renders SVG `<rect>` elements and axes through modular functions like `AxisBottom`, `AxisLeft`, and `Marks`. The chart is generated as a reusable visualization with explicit margins, tick formatting, and axis labels.