Bar charts are great for comparing things, because it's easy to see how bar lengths differ. This chart is an example of a clustered bar chart showing product units sold this year versus last year. The data used for this chart looks like this on the worksheet:

How to make this chart
- Select the data and insert a bar char on the ribbon:

- Insert the first 2D bar chart option:

- Right-click each data series and use fill tool to change color:

- After changing colors:

- Select vertical axis, and reverse category order:

- Move legend to top:

- Final chart:








