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# Minto Pyramid Principle
> Minto Pyramid Principle puts the answer first, then grouped reasons, then the evidence under each reason. Learn the origin, the rules, and the limits.
**Category**: Principles
**Type**: Communication principle
**Origin**: Barbara Minto, McKinsey & Company, London; *The Pyramid Principle* (1987), superseded by the 1996 edition
**Also known as**: Pyramid Principle; SCQ Framework (the opening)
**Quick Answer** — The Minto Pyramid Principle orders a message so one answer sits at the top, grouped reasons sit under it, and evidence sits under the reason it supports. Barbara Minto built it at McKinsey after moving to London, and published it as *The Pyramid Principle* in 1987. The useful shock is that a buried answer is usually a thinking problem, not a wording problem.
## What is Minto Pyramid Principle?
The Minto Pyramid Principle is a rule for ordering ideas so a reader meets one answer first, then the reasons that answer rests on, then the evidence under each reason.
> Extended thinking eventually ends in a single pyramid of ideas, at many levels, obeying logical rules, and held together by a single thought.
That is how Minto describes the shape on her own account of the method. People build the pyramid by grouping low-level facts that look alike, and by drawing one insight from the likeness. The point above a group is that insight. It is not a label such as "there are three reasons." Her course says that sentence is not an insight. The insight is what those reasons, taken together, commit you to do or believe.
Picture a family deciding whether to change a parent's doctor. A notebook in the order of the visits is a diary. The Minto Pyramid Principle is the phone call that starts with the decision, gives three reasons, and keeps the lab sheet ready if someone asks. A [mind map](/methods/mind-mapping) can spray the visits around a page. This principle will not let the top line stay blank. The blank top line is the everyday cue that you are still touring the material.
### Minto Pyramid Principle in 3 Depths
* **Beginner**: Write the one-sentence answer before any background. If you cannot say what you want the reader to do or believe, you are not ready to write the rest.
* **Practitioner**: Under that sentence, place two to four reasons of the same kind, in one order, with no overlap. Put one checkable fact under each reason. Open with the situation the reader already accepts, the complication, and the question your answer addresses.
* **Advanced**: The pyramid tests whether a thought exists yet. A missing top sentence means the grouping is unfinished. A tidy stack of overlapping reasons can still double-count. The order of discovery is not the order of proof.
## Origin
The Minto Pyramid Principle came out of report writing at McKinsey, after Barbara Minto had already made an unusual path into the firm.
In a March 2013 profile, Emma Sinclair reported what Minto told a London alumni gathering. In the 1950s Minto was a secretary at an American railway, earning 400 dollars a month. Harvard Business School then accepted applicants without an undergraduate degree, so she took the exam and entered.
In 1963 she was one of eight women in an MBA class of 600. On graduating she became McKinsey's first female consultant in the United States, then moved to London. Sinclair writes that Minto developed the principle there, as a way to communicate thinking in writing.
Minto's own site dates the public book, not the London teaching. *The Pyramid Principle: Logic in Writing and Thinking* appeared in 1987, in nine chapters and one appendix, and a London publisher reissued it unchanged in 2002. *The Minto Pyramid Principle: Logic in Writing, Thinking and Problem Solving* (1996) supersedes that book, in twelve chapters and three appendices.
Her site calls the principle a de facto standard for major consulting firms, and Sinclair's profile uses the same phrase for consulting. Neither source is a count of how many firms teach it.
She still teaches the rules as a two-day course, in company groups of 10 to 14 people. The course treats vertical and horizontal relationships as different jobs. Vertical is the insight a group supports, and horizontal is whether those ideas are the same kind, in a logical order, with none left out and none repeated.
The opening that finds the reader's question is her SCQ Framework: Situation, Complication, Question. The governing thought at the top is the answer to that question.
## Key Points
The Minto Pyramid Principle earns its keep when a reader can stop after the first sentence and still know what you are asking. The four moves below are the working test. A longer story is not a substitute for the top point.
Write the answer as one sentence: what you want believed, or what you want done. "Approve the vendor switch" is a governing thought. "Update on the vendor process" is a topic. If the sentence could sit on any memo, it is not yet the point. Her course warns that "there are three reasons" is not the insight those reasons were gathered to produce.
Under the answer, list the reasons that actually support it. They should be the same kind of claim, in one order, such as time, or parts of a whole, or rank. Two reasons that overlap are one reason wearing two names. A gap means the answer is larger than the support. That grouping test is the [MECE principle](/principles/mece-principle), which Minto treats as part of the pyramid, not as a second brand for the same thing.
Situation is the stable fact the reader already accepts. Complication is what changed, broke, or now conflicts. Question is what that tension makes the reader need to know. Minto calls this trio the SCQ Framework, and she uses it to find the question the document must answer. The governing thought is the answer to that question. If you skip the complication, the answer arrives with no reason to care.
Each reason gets the fact, example, or number that would make a careful reader nod or object. Do not pour every table into the first screen. A reader who trusts the reason can stop. A reader who does not can go down one branch. [Issue tree analysis](/methods/issue-tree-analysis) splits a problem into parts. The pyramid tells you which of those parts is the message.
## Applications
Use the Minto Pyramid Principle when someone must act, or decide, on the basis of your thinking. The four settings below are small enough to draft in one sitting.
In a status note to a manager, the first sentence is the ask or the finding. The next sentences are the two or three reasons. The attachment holds the backup. If the meeting is cut to five minutes, sentence one still survives.
Early in a job, a project update often retells the week in the order you lived it. Rewrite it as the recommendation, then the reasons, then one proof under each. [Hypothesis-driven thinking](/methods/hypothesis-driven-thinking) chooses what to test. This principle chooses what to say once the test has an answer.
A school, a care plan, or a shared purchase stalls when everyone retells the tours. State the proposal in one line. Give the reasons that would still matter in a year. Keep the brochure for the person who wants the detail. The pyramid does not cast the vote. It shows which claim the vote is about.
If a document never says what to do, group its facts yourself and ask what single sentence they support. That sentence is the missing top. If the facts support two sentences that conflict, you have found the real argument. [Deductive reasoning](/thinking/deductive-reasoning) checks whether the reasons actually entail that sentence.
## Case Study
The clearest public account of how the Minto Pyramid Principle was built is a profile, not a lab trial.
On 13 March 2013, *The Telegraph* published Emma Sinclair's report from a London dinner marking fifty years of women at Harvard Business School. The Harvard Business School alumni club filled the Orchard Room of the Dorchester with 150 women. The guest Sinclair singles out is Barbara Minto. Minto told the room she had been a railway secretary in the 1950s, "making 400 bucks a month," and that she sat the Harvard exam because the school did not require an undergraduate degree. In 1963 she was one of eight women in a class of 600.
Sinclair then records the work that followed the degree. Minto became McKinsey's first female consultant in the United States, and later moved to London. There she developed the principle for communicating thinking in writing. The profile calls the result a de facto standard in consulting. Minto's own site uses that same description for major consulting firms and other professional organizations. The concrete markers in the profile are the class size, the pay she remembered, and the move from the U.S. office to London as the place the method took shape.
What the principle explains is the kind of failure she was hired to edit. Capable people were handing over material in the order they had found it, so the reader had to build the answer while reading. The pyramid moves that work to the writer: the top sentence is the answer, and the groups underneath are the reasons. The London move matters because Sinclair ties the invention to that office, not to the Harvard classroom itself.
The profile does not measure whether readers decide faster, or remember more, after the rewrite. In March 2026, Lisa Marx and Robin Hau preregistered a field study and stated that the principle's effectiveness had not been examined in controlled empirical studies. Their plan, not a result, was a 360-minute intervention with a target of about 60 to 72 adults. Until that kind of study reports, "de facto standard" means wide teaching. It does not mean a known gain in points, time, or decisions.
## Boundaries and Failure Modes
The Minto Pyramid Principle fails when the top sentence is fake, when the reasons overlap, or when the answer is used to skip the question.
The first boundary is an answer you do not yet have. A governing thought written to look decisive will hide the open question. If two options are still alive, the top sentence should say so, and the groups should be the conditions that would decide. A pyramid is a form for a thought you can stand behind. It is a poor costume for a hunch.
The second boundary is the group. Minto's course asks you to look hard at any line that says there are three reasons. There must be three, they must be the right three, and the insight must be something other than the count. Overlapping reasons make the answer look better supported than it is.
A missing reason makes the pyramid look finished while a live objection sits outside it. [MECE](/principles/mece-principle) is the check, and real lists are often only nearly MECE, so say which gap you left.
The common misuse is answer-first with no SCQ and no evidence. The reader hears a command and cannot see why this answer, why now. Situation and complication exist so the question is one the reader recognizes. A second misuse is to treat the order of your week as if it were a logical order. Chronology can be the right order when the claim is about sequence. It is not the right order when the claim is a recommendation.
## Common Misconceptions
Three mix-ups make a pyramid-shaped document that still does not carry a thought.
MECE is the test for a group: no overlap, no missing piece. The pyramid is the whole message: one answer, reasons of one kind, evidence under each reason, and an SCQ opening that finds the reader's question. You can sort a list in MECE fashion and still have no governing thought. You can also state a clear answer whose reasons fail the grouping test.
Three is a habit, not a rule. Minto's course uses "three reasons" as the sentence people reach for too quickly. The right count is the count of distinct supports you actually have. Two solid reasons beat three, if the third only repeats the first. Five reasons are a warning that the group may not be one kind of idea.
The answer comes before the proof. It does not come before the question. SCQ gives the reader a situation they accept and a complication that makes the question real. Without that, the top sentence can be clear and still feel unmotivated. Context here is the shared ground and the change. It is not a tour of how you did the work.
## Related Concepts
These pages handle pieces that sit beside the Minto Pyramid Principle: grouping, splitting a problem, choosing what to test, and checking that the reasons entail the answer.
Test whether the reasons overlap or leave a gap before you let them support the top sentence.
Break the question into parts, then decide which part is the message rather than the background.
Pick the claim you are willing to test. The pyramid is how you say it once the test has a result.
Ask whether the grouped reasons actually force the answer, or only sit near it.
## One-Line Takeaway
Write the one-sentence answer first, then only the reasons that force it, and keep the proof one level down.
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