This interactive sunburst chart displays hierarchical data about household types, with two main categories—Family and Nonfamily households—further broken down into subcategories sized by their values. Built with D3 v4, it uses the `d3.partition` layout and `d3.arc` to generate SVG paths, with color scales from `d3.scaleOrdinal` distinguishing categories. The visualization supports click interactions to highlight selected slices and transitions between states.