A line graph with multiple categories stacked on top of each other. Gives a sense of a changing total value and a distribution within the total. - **show changes in composition over time.** ![[stacked-area-chart.jpg]] standard, the area between lines is filled in ![[8153F868-3AEB-4268-9A37-20B7EA5B5D56.jpeg]] ## normalized form ![[7E863D86-A5A7-4B7A-93BE-E809AEF9950E.jpeg]] ## streamgraph form ![[41A4748F-69C8-4190-8197-15BA1F369EDD.jpeg]]