Pie chart

Show each category's share of the total as proportional slices of a circle.

8 pie chart examples

Market share

How the market splits between the players in it.

Four slices adding to a hundred: the one case where a pie chart beats a bar chart, because the whole is the story.

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Budget split

Where the annual budget goes.

Payroll is well over half. Once one slice passes fifty percent a pie stops needing labels to make its point.

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Traffic sources

Share of sessions per acquisition channel.

Organic and direct together are two thirds of traffic, which is a very different business from one where paid is two thirds.

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Device breakdown

Desktop against mobile against tablet.

Three slices, one obvious conclusion, no axis required. Design reviews that start with this chart argue less.

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Revenue by plan

Which pricing tier actually earns.

The free tier is three percent of revenue and most of the support load — a pie is how that gets on a pricing agenda.

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Expenses by category

The quarter's discretionary spend at a glance.

Small categories that fit in one chart, all part of the same envelope. Anything with more than six slices belongs in a bar chart instead.

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Energy mix

Generation share per source.

Renewables against everything else, as a share of one grid. Reported yearly, this pie is a policy scorecard.

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Time allocation

How a working week is really spent.

Deep work barely edges out meetings. Because the slices add to a whole week, moving one means taking from another — which is the honest version of the conversation.

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