- Slices must represent percentages not counts or dates or timelines or averages.
- Slices must always add up to 100%. Not 412. Not 73. Not 0.037. Only 100%
- Slices representing the same number must always appear to be the same size. 3D pie charts do NOT do this.
Below are permissible forms of pie charts as well as one bar chart. Even better, these are permissible forms of 3D pie charts. If you’re unsure about whether your pie chart is failing one of the above requirements and it doesn’t fit in one of the below options, do not make a pie chart.
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