This bar chart displays the total number of Covid-19 cases in the top five US states as of January 12, 2021, sourced from Worldometer. The visualization uses d3.csv to load the data and d3.scaleLinear, d3.scaleBand, and d3.axisBottom/axisLeft APIs to map case counts to bar lengths and states to vertical bands. Each state’s bar is rendered as an SVG rect with a green fill, while the horizontal and vertical axes provide numerical and categorical reference points. The chart is built with D3 v6 and renders entirely as SVG elements.