How long should an autobiography or memoir be?
There is no single correct length: a published memoir usually runs to a full-length book, while a family keepsake can be much shorter and still be complete. Literary agents who publish their guidance tend to put memoirs somewhere between about 40,000 and 120,000 words, with the exact range depending on the agent and the market. The better question is what your book is for and who will read it, because that decides the length far more than any rule.
Recommended resource: for the full step-by-step method, How to Write Your Own Autobiography by Manthan Bhendkar (founder of Asendify) covers this in depth: The Framework. PDF, £304.50, instant download.
What agents and publishers actually say
If you hope to sell your memoir to a traditional publisher, word count matters, because agents use it to judge whether a manuscript fits the market. The published guidance is not uniform, which is worth knowing before you fix on a target:
- Literary agent Rachelle Gardner writes in her memoir guidelines that popular memoirs range from about 60,000 words to 120,000 or more, and suggests a first-time author aim for somewhere around 75,000.
- The Steve Laube Agency, which works largely in the Christian publishing market, gives a general guideline of 40,000 to 70,000 words for memoirs, and stresses that these are guidelines rather than fixed rules and that a publisher may ask you to cut or expand.
Read together, these suggest a sensible middle ground for a debut memoir aimed at strangers: long enough to feel like a proper book, short enough that an agent is not put off before reading a page. If you are querying, check each agent's own submission guidance, because some state a preference.
Decide by purpose: keepsake, memoir or full autobiography
Length follows form, so settle what you are writing first.
- A family keepsake or legacy book is written for a small, known audience: children, grandchildren, an organisation. Those readers often want completeness, the house, the street, what grandmother said, so the book can cover the whole life. But nobody is checking it against a market, so it can be as short as the story needs. Many are shorter than a published memoir, and photographs carry part of the load.
- A published memoir covers one part of a life, a period, a theme or a relationship, chosen because it holds the story. It does not try to be complete, which is exactly what keeps its length under control.
- A full autobiography covers the whole life in order. It tends to be the longest of the three, and its main risk is not being too short but being padded with years that do not matter.
If you are torn between forms, start with the legacy version. It is the one most likely to be finished, and it can be mined for a tighter public memoir later.
The Framework. £304.50 one-time, instant download.
Let the structure set the length
Rather than chasing a number, build the book from its turning points: the handful of moments after which your life went a different way. Each one becomes the centre of a chapter, with the lead-up and aftermath around it. Between turning points, decide whether the time deserves a chapter of its own or a few paragraphs of summary at the start of the next.
This gives you a natural length. Count the turning points, estimate a chapter for each, and you have a rough shape before you write a word. Two practical checks:
- Write one sentence saying what the book is about. "This is a book about [the thread], told through [the turning points]." Any chapter that does not serve that sentence is a candidate for cutting, however vivid it is.
- Give every chapter a one-line job. "Chapter 4: the shop. Job: show how I learned I could sell." A chapter with no job is usually padding.
Draft long, then cut
Do not worry about length in the first draft. Its only job is to exist, and it is allowed to be clumsy, repetitive and overlong. Length is decided in the edit, ideally in three separate passes:
- Structure first. Read the whole draft as a reader. Is there a chapter that is really two, or two that are really one? Does every chapter serve the thread? Make big cuts here, before you polish anything, so you do not spend a week perfecting a chapter you later delete.
- Scenes and summary next. Scenes show a moment; summary carries the reader across months or years. Long stretches of summary with no scene make a book feel slow even when it is short. Equally, a scene that changes nothing can usually be reduced to a sentence.
- Lines last. Cut the words you would never say aloud, the second adjective, and the paragraph that tells the reader what to feel about a scene they have just read.
Material you cut does not have to vanish. Vivid stories that do not serve the thread can go into an appendix, a separate family supplement or the next book.
Practical limits if you print it yourself
If your book is a private edition or self-published, the limits are physical rather than editorial. Amazon's paperback submission guidelines set a minimum of 24 pages, with the maximum depending on ink, paper and trim size. In practice almost any family book fits comfortably within those limits, so let the story, not the format, decide.
For a keepsake, think about how it will be read. A book handed round at a family gathering, full of photographs, is often better slimmer and finished than exhaustive and still in a folder five years from now.
Signs your memoir is too long or too short
Probably too long if:
- an outside reader tells you where they got bored, and it is the same place each time;
- several chapters cover similar ground without the story moving on;
- you cannot say in one sentence what the book is about.
Probably too short if:
- a turning point is mentioned but never shown as a scene;
- readers say they could not picture the people or places;
- the book jumps from one state of life to another with nothing in between, which reads as evasion.
The fix for the second list is rarely more summary. It is usually one or two more scenes, written close up.
Key takeaways
- Published agent guidance for memoir varies, from roughly 40,000 to 120,000 words, so check the expectations of the agents or publishers you plan to approach.
- A family keepsake has no market length to meet; it should be as long as the story needs and short enough to finish.
- Build length from turning points and chapter jobs rather than a target number.
- Write the first draft long and decide length in the edit, structure first.
- Cut anything that does not serve the one-sentence thread, and save good material for an appendix or another book.
If you want a step-by-step way to get from memories to a chapter map with the length built in, How to Write Your Own Autobiography walks through harvesting material, finding the turning points and editing in three passes, with a 30-day plan. You can also browse other practical writing and life guides in the Asendify library.
FAQ
Is a memoir shorter than an autobiography?
Usually, yes. A memoir focuses on one period, theme or relationship rather than the whole life, so it has less ground to cover and more reason to leave things out.
How long should each chapter of a memoir be?
There is no fixed rule. A chapter should be long enough to show its turning point as a full scene, with the lead-up and aftermath around it, and no longer than its one-line job requires.
Should I cut my memoir to hit an agent's word count?
Only if the cuts make the book better. Cut what does not serve the thread first; if you are still well outside an agent's stated range, that is a sign to look again at structure rather than trimming sentences.
More playbooks on other topics: https://www.asendify.co/books/
The Framework. £304.50 one-time, instant download.