What is the difference between a memoir and an autobiography?

An autobiography covers a life, in order, and is usually written by someone whose life is already of public interest. A memoir takes one thread — a marriage, an illness, a year, a job — and makes an argument about it. The autobiography's organising principle is chronology; the memoir's is meaning. This is why memoirs by unknown people work and autobiographies by unknown people generally do not.

How do I decide what my memoir is about?

Finish this sentence: this is a book about the time I ___, and what it cost me. If the answer is your whole life, you do not yet have a memoir. The subject is not the events; it is the question the events raise. Two writers with identical experiences produce different books because they are arguing about different things.

Can I write about real people in my memoir?

Yes, and most memoirs must. The two legal exposures to understand are defamation, which is a false statement that damages a reputation, and invasion of privacy, which is publicly disclosing private facts. Truth is a defence against defamation. It is not a defence against invasion of privacy, which is the part most writers get wrong. This is general information, not legal advice; a publishing lawyer is worth the money if you are worried about a specific person.

Should I change names in a memoir?

Changing a name alone does little if the person remains identifiable to anyone who knows them. Where you genuinely need distance, the protection comes from changing enough identifying detail that the portrait no longer points at one individual, and from saying in the front matter that you have done so. A disclaimer helps and does not immunise you.

How accurate does a memoir have to be?

Factually honest, not transcript-accurate. Readers accept that dialogue is reconstructed and that memory compresses; they do not accept invented events presented as things that happened. The convention is to say what you have done — composited characters, compressed timelines, reconstructed conversations — in a note at the front. The moment a reader suspects the book is inventing, everything in it becomes negotiable.

How long should a memoir be?

Most published memoirs run 70,000 to 90,000 words, which is shorter than many first drafts, because the first draft usually contains an entire life and the book is one thread of it. Length is rarely the problem. Scope is.

Do I need permission from people I write about?

Not legally, in most cases, and asking creates its own difficulties: a person who says no is now a person who knows and objects. Many memoirists tell the people closest to the book before publication as a matter of relationship rather than law. What you are managing is two different risks, and they do not have the same answer.

How to write a memoir

The first draft of a memoir is usually a life. The published version is usually eighteen months of it.

That gap is the work. Nearly everything difficult about the form comes from the fact that you already have all the material, in enormous quantity, with no organising principle except the order it happened in — and the order it happened in is the one structure guaranteed not to be the book.

Chronology is not a structure

An autobiography is organised by time because its subject is a life. A memoir is organised by an argument because its subject is a question.

The test is a sentence: this is a book about the time I ___, and what it cost me. If you cannot complete it without describing several decades, you have material rather than a book.

Two people can survive the same event and write completely different memoirs, because the question each is asking is different. One is asking what she owed her mother. The other is asking why he kept going back. The events are furniture. The question decides which pieces are in the room.

This is also the answer to the anxiety that your life is not interesting enough. Memoirs by people with unremarkable lives work all the time; memoirs that fail are usually the ones with no argument, where the reader gets a well-written sequence of things that happened and no sense of what it is for.

The narrator is a character you are constructing

The I on the page is not you. It is a version of you, built by selection, and treating it as a character is what separates a memoir from a diary.

Two specific consequences:

The narrator needs to not know things. A memoir written entirely from the position of the person who already understands what happened has no tension, because the drama is in the not-knowing. Most memoirs run two versions of the writer at once: the one living it, who is confused, and the one telling it, who is not. Deciding how far apart those two stand — and when the later one is allowed to speak — is the central craft decision of the form.

The narrator has to be someone the reader will follow. Not likeable. Honest. A narrator who is self-serving without noticing loses the reader; a narrator who is self-serving and says so keeps them. The most reliable way to lose a reader is to be the only person in your memoir who never behaves badly.

Accuracy, and what readers actually expect

Nobody believes you remember a conversation from 1994 verbatim. Readers grant memoir a working allowance: reconstructed dialogue, compressed time, scenes assembled from several occasions.

What they do not grant is invention presented as fact. The line is roughly this — you may shape how the truth is told, and you may not manufacture things that did not happen.

The professional convention is to declare your method in the front matter. A short note saying that names have been changed, that some characters are composites, that dialogue is reconstructed from memory and that certain events have been compressed does two things. It is honest, and it sets the contract before the reader has decided what kind of book they are holding. Our front matter guide covers where that note sits.

Composite characters are the one to be careful with. They are common and accepted in principle, and they are also the technique most likely to make a reader feel misled if discovered undeclared, because a composite is a person who did not exist.

The people in your book

This is the part that stops memoirs being finished, and it is worth separating into two problems that get confused.

The legal problem. Two exposures matter. Defamation is a false statement of fact that damages someone’s reputation. Invasion of privacy is the public disclosure of private facts about a living person.

The counterintuitive part, and the one most memoir advice gets wrong: truth is a defence against defamation, and it is not a defence against invasion of privacy. You can be sued over something that happened exactly as you wrote it, if it was private and its disclosure was not a matter of public concern. Both claims belong to living people; neither is brought by an estate.

Where you need distance, the protection is not the name. Changing Karen to Diane does nothing if everyone who knows her recognises the job, the town and the story. Real distance comes from altering enough identifying detail that the portrait no longer resolves to one person, and from saying in the book that identifying details have been changed. A disclaimer reduces risk. It does not eliminate it.

None of this is legal advice, and the honest recommendation for a book with a genuinely exposed subject is an hour with a publishing lawyer, which costs less than most people assume.

The human problem. Legally distinct and often more consequential. People who recognise themselves in a memoir are rarely pleased, including when the portrait is generous, because being written about is an experience of losing control of your own account.

Asking permission is a real strategy with a real cost: a person who says no is now a person who knows and has objected. Many memoirists instead tell the people closest to the book shortly before publication, which forfeits their consent but not their dignity. There is no general right answer. The thing to avoid is discovering you have no position at all on the morning the book goes on sale.

What to cut

Memoir drafts are long for a specific reason: everything in them really happened, and therefore everything in them feels load-bearing.

It is not. The test is the same as any other book’s — does this move the argument — but it is harder to apply, because cutting a scene from a memoir can feel like denying that something occurred.

Three categories that usually go:

Everything before the story starts. Childhood context, family background, the years of ordinary life preceding the thing the book is about. Some of it belongs, distributed later where it explains something. Most of it is the run-up you needed to write and the reader does not need to read.

The scenes that are evidence rather than story. Third and fourth examples of a pattern already established. Once a reader understands that your father was unpredictable, further demonstrations confirm rather than develop.

The score-settling. Passages whose real function is to prove you were right. They read as exactly what they are, and they cost the narrator the credibility the book is running on.

The revision process is otherwise the same as fiction’s, and the revision guide applies: structure first, scenes second, sentences last.

The physical book

Memoir sits with literary fiction rather than with non-fiction in how it is made. The usual trims are 5.25 × 8 and 5.5 × 8.5 inches, the typography is a novel’s, and the reader is reading continuously rather than consulting.

Two things are specific to the form. Photographs, which many memoirs want and which change the production: a section of plates on different paper, or images placed in the text, and either raises the print cost — book interior images covers the resolution and placement side. And that note about method, which needs to be somewhere the reader meets it before chapter one rather than in an appendix.

Most abandoned memoirs are not abandoned over craft. They stall at the moment the writer realises the book requires an argument about their own life and about other people’s, and that both will be read by people who were there. That is a real difficulty and not a solvable one. What makes it finishable is deciding early what the book is about, which settles most of the questions about who and what belongs in it.

Sources

Writer’s Digest, A writer’s guide to defamation and invasion of privacy — the distinction between the two claims, and truth as a defence to one and not the other
Sidebar Saturdays, The legal risks of writing memoirs — changing identifying detail, and the limits of a disclaimer

Common questions

What is the difference between a memoir and an autobiography?: An autobiography covers a life, in order, and is usually written by someone whose life is already of public interest. A memoir takes one thread — a marriage, an illness, a year, a job — and makes an argument about it. The autobiography's organising principle is chronology; the memoir's is meaning. This is why memoirs by unknown people work and autobiographies by unknown people generally do not.
How do I decide what my memoir is about?: Finish this sentence: this is a book about the time I ___, and what it cost me. If the answer is your whole life, you do not yet have a memoir. The subject is not the events; it is the question the events raise. Two writers with identical experiences produce different books because they are arguing about different things.
Can I write about real people in my memoir?: Yes, and most memoirs must. The two legal exposures to understand are defamation, which is a false statement that damages a reputation, and invasion of privacy, which is publicly disclosing private facts. Truth is a defence against defamation. It is not a defence against invasion of privacy, which is the part most writers get wrong. This is general information, not legal advice; a publishing lawyer is worth the money if you are worried about a specific person.
Should I change names in a memoir?: Changing a name alone does little if the person remains identifiable to anyone who knows them. Where you genuinely need distance, the protection comes from changing enough identifying detail that the portrait no longer points at one individual, and from saying in the front matter that you have done so. A disclaimer helps and does not immunise you.
How accurate does a memoir have to be?: Factually honest, not transcript-accurate. Readers accept that dialogue is reconstructed and that memory compresses; they do not accept invented events presented as things that happened. The convention is to say what you have done — composited characters, compressed timelines, reconstructed conversations — in a note at the front. The moment a reader suspects the book is inventing, everything in it becomes negotiable.
How long should a memoir be?: Most published memoirs run 70,000 to 90,000 words, which is shorter than many first drafts, because the first draft usually contains an entire life and the book is one thread of it. Length is rarely the problem. Scope is.
Do I need permission from people I write about?: Not legally, in most cases, and asking creates its own difficulties: a person who says no is now a person who knows and objects. Many memoirists tell the people closest to the book before publication as a matter of relationship rather than law. What you are managing is two different risks, and they do not have the same answer.