# Share

> A chart word, with the charts that use it.

**Definition.** A share is a part divided by its total, read as a percent. Shares add up to 100% across the parts of one whole.

Updated Nov 2, 2026

## 017 · Donut

- **01 A slice.** Each plan's part of the total.
- **02 Its share.** The part divided by the total, in the list beside it.

## Where you see it

- [017 · Donut](https://usechartory.com/charts/donut): Part of a whole · SaaS data
- [018 · Semi donut](https://usechartory.com/charts/semi-donut): Part of a whole · E-commerce data
- [020 · Progress ring](https://usechartory.com/charts/progress-ring): Part of a whole · AI data

## Common mistakes

- **Shares that don't add up to 100%** When people can pick more than one answer, the parts are not shares of one whole.
- **Shares with no total** Show the total too, so a big share of a small number is not overread.

## Questions

### Share or percent?

A share is a percent of a whole. A percent can also be a rate, such as churn.

### Which charts show shares?

Donut, semi donut, progress ring and stacked bars.

## Related terms

- [Hierarchy](https://usechartory.com/glossary/hierarchy): Parts that sit inside other parts, several levels deep.
- [Stacked](https://usechartory.com/glossary/stacked): Parts placed on top of each other so the total stays visible.
- [Category](https://usechartory.com/glossary/category): A named group a mark belongs to, such as a plan or a region.

## Donut, semi donut, progress ring and the other types.

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Every chart word, A to Z. [Open the glossary](https://usechartory.com/glossary)