Nested proportional area chart

Alternative name:

Stacked proportional area chart; bubbles (nested)

This is a chart that uses nested circles or squares to show hierarchical data, with the area of each shape representing the value of a category. It shows how parts contribute to the whole and is useful for easily comparing proportions without the use of scales.

Tips for use and when NOT to use

For clarity, limit the number of levels in the hierarchy, and avoid this type of chart if the hierarchical structure is too deep or complex. Use distinct colours and labels to differentiate between categories and their values.

Use case / Examples

To visualise the hierarchical structure of a company's environmental, social and governance goals, showing the relative importance of each goal.

Question example:

How does your company allocate its budget across different departments?

Recommended Survey Question Types:

Numerical response, Ranking question, Single mention

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