This example presents a horizontal bar chart of the top 10 countries by population in 2020, using data loaded from a CSV file. The visualization is built with React, which renders SVG elements, while D3 utilities handle data processing and scales. The code uses `scaleBand` for the categorical country axis and `scaleLinear` for the population value axis, mapping data to rectangle dimensions. The chart loads data via `csv` and updates reactively once the data arrives, displaying "Loading..." until then.