When to use a Stacked Area Chart
These are basically an extension of the area chart, sharing the same style and properties. Occlusion can occur with more than one area, so the best way is to stack the data, hence the name. A good example would be if you were trying to show the growth of population over time by region, by stacking the areas you can show the trend of composition. The best practice is to have two or more quantities to compare. A good example of a stacked area chart is below.
If you want to learn how to easily make a stacked area chart with ChartBlocks then we have an FAQ area with a step by step guide of how to make charts?