This scatter plot displays the populations of the top 30 countries in 2020, with countries on the y-axis and population counts on the x-axis. The visualization uses D3 v5’s `scaleLinear` and `scalePoint` to map data, `axisLeft` and `axisBottom` for axes with custom tick formatting, and SVG circles that change color on mouseover. Population data comes from the Kaggle World Population Prospects 2020 dataset, loaded via `d3.csv` from a local CSV file.