A stacked bar chart is a basic Excel chart pop in meant to allow comparison of components across categories.

Data is plotted using horizontal bars stacked from left to right.

Stacked bar make it easy to compare total bar lengths.

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Also, as categories or data series are added, stacked column charts quickly become visually complex.

Excel bar chart example

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Excel 100% stacked column bar example

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Excel stacked column chart example

Excel 100% stacked column chart example