How to Make a Pareto Diagram in Excel

What this does

A Pareto chart is a sorted bar chart with a cumulative percentage line drawn over it on a secondary axis. It answers one question: how few categories account for most of the total. Since Excel 2016 it is a native statistic chart, so the sorting, the running total and the second axis are all handled by the chart type rather than by helper columns. Most people learn this as a sequence of clicks and forget it by next week; learning it as a pattern instead is what lets you apply it to the next, slightly different version of the problem without starting from scratch. That is the difference this page is trying to make. For “make a pareto diagram in excel”, the reliable version is a short checking loop, not just the first command that appears to work. Run it on a deliberately small range first, watch how the affected cells change, and only then apply the same setup to the full sheet. When this is a ribbon command, the selection matters more than the button: confirm the range, apply the command, then spot-check the output before saving. That is what makes a visual that makes the number obvious at a glance useful in real work: repeatable, auditable, and not dependent on memory or luck.

A worked example

Six defect types with counts 142, 96, 41, 22, 12 and 7 — 320 failures in total. Insert ▸ Insert Statistic Chart ▸ Pareto. The bars reorder themselves largest first and the cumulative line reaches 74% at the second bar (238 of 320), so two of the six defect types account for roughly three quarters of all failures. Prioritisation arguments are won with the cumulative line: it converts a list of complaints into a defensible claim about where two fixes remove most of the pain. A practical tip: try it on a copy of the sheet or a handful of sample rows first and check the result before you apply it to the real data. That one habit catches almost every surprise while it is still cheap to reverse.

In Google Sheets

This is a command rather than a formula, so there is no syntax to carry over. Google Sheets arranges its commands in menus across the top instead of a ribbon, names some of them differently and does not have every Excel command — look for the equivalent in the Sheets menus or its help before assuming the steps match. Nothing on this page is behind a login or a download: the exact answer is at the top, and the detail below it is there for when you need it. That is the whole promise here — the answer first, and just enough context to make it stick. Treat “make a pareto diagram in excel” as a routine rather than a one-off. Once you know which setting or command controls it, the same few steps handle every workbook where it comes up in Excel, and you can explain them to a colleague in a sentence.

Common mistakes

• Feeding it percentages instead of counts, which makes the cumulative line meaningless.
• Charting thirty categories, where the tail is unreadable and an Overflow bin would tell the same story.
• Comparing counts of things with different costs — twenty cheap defects can outrank one expensive one and hide the real problem.
• Building it manually in Excel 2013 or earlier and forgetting to sort descending, which breaks the cumulative reading entirely.

Frequently asked questions