This horizontal bar chart displays the population of the top 30 countries in 2020, with each country represented by a lightgreen bar scaled against a linear population axis. The visualization uses d3.v7 with SVG rendering, employing d3.scaleLinear for the x-axis and d3.scaleBand for the y-axis. The code loads CSV data from a GitHub repository, formats population values with d3.format to show abbreviations like "200B", and applies margins and axis labels for clarity. Both axes include custom tick formatting and rotated text labels.