The Tableau Stacked Bar Chart helps compare the data visually. This article will show you how to create it using the Sample – Superstore Data Source.
Create a Stacked Bar Chart in Tableau
First, Drag and Drop Sales from the Measures Region to the Rows Shelf to create it. Since it is a Measure value, Sales will aggregate to the default Sum. Once you drag them, Barplot will generate.

Next, Drag and Drop Sub-category from Dimension Region to Column Shelf. Once you drag them, a proper Tableau stacked Bar chart will generate, as shown below.

Tableau Video
In this Tableau example, We want to Stack the Bar Chart by the Segments. So, we are dragging Segments from the Dimension region to the Color shelf in Marks Card.

Once you drop the Segment field onto the Colors shelf, You can see the Stacked Bar Chart.

Create a Stacked Bar Chart Approach 2
Let me remove the Segment field from the Color Shelf and place it right before the Sub-category in the Columns shelf.

We have to change this to Stacked Bar Chart using the Show Me option. Please expand the Show Me window and select the below-shown plot from the show me.

Once you select it from the Show Me window, the Stacked Bar Chart will display, as shown in the below screenshot.

Add Data labels
To add data labels to the Tableau Stacked Bar chart, click the Show Mark Labels button in the Toolbar.

Or drag and Drop the data Label value from the Dimension or Measures Pane to the Label shelf in Marks’s Card. In this example, We want to display the Sales as Data labels. So, Drag and Drop the Sales from the Measures region to the Labels shelf.

Selecting or highlighting any specific block will show you the information at that particular point.
