A scatterplot displays population figures for countries exceeding 100 million inhabitants. The visualization uses a linear scale for population on the x-axis and a point scale for country names on the y-axis, with axis labels and gridlines. It loads data from a CSV file using d3.csv, scales the population values, and renders SVG circles. The code employs d3.scaleLinear, d3.scalePoint, d3.axisLeft, d3.axisBottom, and d3.format for tick labels.