Pie Chart vs Donut Chart: A Visual Comparison

When it comes to representing data visually, pie charts and donut charts are often used. But what are the differences between the two, and when should you use one over the other? Let's explore!

What is a Pie Chart?

A pie chart is a circular graph divided into sectors, each representing a proportion of the whole. It is a great way to show parts of a whole and is commonly used when you want to compare the relative sizes of different groups.

  • Example Use Case: Showing the percentage of different product categories in a company's revenue.

What is a Donut Chart?

A donut chart is similar to a pie chart, but it has a hollow center. This extra space can make it easier to see the details of individual slices when there are many different groups.

  • Example Use Case: Comparing sales data over multiple quarters, where the size of the donut represents the total sales for the year, and the individual slices represent each quarter.

When to Use a Pie Chart

  • When comparing whole vs. parts: If you want to show the proportion of each category to the whole, a pie chart is a good choice.
  • When the number of categories is limited: Too many slices in a pie chart can make it difficult to read.
  • When you want to use color coding to represent different categories: It can make the chart more visually appealing and easier to interpret.

When to Use a Donut Chart

  • When you need to show more details than a pie chart allows: The hollow center can make it easier to read small percentages.
  • When the total is less important than the individual slices: Since the center is hollow, it draws less attention than a solid pie chart.
  • When you have a large number of categories: The extra space in the donut chart can help prevent overlap of slices.

Choosing the Right Chart

Ultimately, the choice between a pie chart and a donut chart depends on your data and your goals. Both charts have their strengths and weaknesses, and the right choice can make your data more accessible and easier to understand.

Pie Chart Example

For more information on data visualization and other tools, check out our Data Visualization Guide.


The visual differences between a pie chart and a donut chart are subtle, but they can make a significant impact on how your audience interprets the data. Choose wisely!