Treemap
A Treemap visualizes hierarchically organized data in the form of nested rectangles (parent branches and their child leaves). The sizes and colors of rectangles depend on the values they represent.
BCT Treemap Chart 01
BCT Treemap Chart 03
Internet Audience Worldwide
A treemap chart visualizing data about the number of worldwide internet users as of January 2019, by region. Features a built-in drill down along with customized labels, colors, tooltip, and title.