An area chart is a primary Excel chart type, with data series plotted using lines with a filled area below. Area charts are a good way to show change over time with one data series. They offer a simple presentation that is easy to interpret at a glance.
Simple presentation; easy to read and create
Good for showing trends over periods of time
Can handle positive and negative values
Don't usually work well for multiple data series
Line can imply more data than actually available (compared to bar or column chart)
This is an example of a 100% stacked area chart. This tricky chart type can be quite hard to read. The idea is to visually show a percentage distribution across categories at specific intervals, but you lose the ability...