Sayaka Murata’s Vanishing World is a speculative novel about a society that has turned sex, marriage and reproduction into problems to be managed. In its imagined setting, artificial insemination is ordinary and sex between spouses is taboo. The Japanese original was published in 2015. The English translation by Ginny Tapley Takemori appeared in 2025, so English-language readers are only now meeting a book that has been out in Japan for a decade.
Editions and publication details
The novel has two English-language editions in the sources behind this article, one for the UK and one for the US. The formats and dates differ, so check the edition your retailer is selling before you buy.
| # | Preview | Product | Price | |
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Vanishing World | $10.80 | Buy on Amazon |
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Vanishing World (Italian Edition) | $14.99 | Buy on Amazon |
| Edition | Publisher and market | Format | Pages | ISBN | Date listed | Price listed |
|---|---|---|---|---|---|---|
| UK edition | Granta (UK) | Hardback, paperback and ebook formats listed; format-specific ISBNs not stated | 240 | 9781803511191 | Not stated | £9.99 |
| US hardcover | Grove Atlantic (US) | Hardcover | 240 | 978-0-8021-6466-7 | April 15, 2025 | Not stated |
| US paperback | Grove Atlantic (US) | Paperback | Not stated | 978-0-8021-6467-4 | April 15, 2025 | Not stated |
| Grove Paperback | Grove Atlantic (US) | Paperback | Not stated | 978-0-8021-6752-1 | April 14, 2026 | Not stated |
The UK price of £9.99 is the figure on Granta’s listing at the time it was checked. Publishers revise prices and stock, so treat it as a starting point. The Grove Paperback entry is dated later than the first US paperback, which is why the US listing should be read edition by edition rather than as a single publication date.
The Literary Hub excerpt credits the original text to Sayaka Murata, 2015, and the translation to Takemori, 2025. A 2025 Guardian interview describes the book as Murata’s third novel to appear in English.
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What happens in the novel
Amane learns as a child that her parents conceived her through sex. Her school friends were conceived by artificial insemination and raised in what the publisher calls “clean,” sexless marriages. As an adult, she tries to fit the norms around her while asking what sex and marriage are for. The publisher puts the central tension directly: “Still, she can’t help questioning what sex and marriage are for.”
Later, Amane and her husband consider moving to Experiment City. Residents there are selected for artificial insemination, children are raised collectively, and the traditional family unit does not exist. This is the point where the novel shifts from private unease to a question about how an entire community might be organized, and it is the part of the book readers most often discuss.
The world the novel builds
The Guardian review sets the book in a speculative Tokyo where artificial insemination is widespread and sex is treated as unhygienic. The reviewer, Caleb Klaces, frames Experiment City as an experiment in collective parenthood and social control. That account describes the fiction. It is not a description of real Japanese policy or reproductive technology, and the novel does not present itself as reportage.
What makes the setting unsettling is how little it needs to explain itself. Characters treat artificial conception as the default and intimacy as a matter of hygiene. The reader is left to notice which of these assumptions feels natural and which feels strange, and that discomfort is where the novel does most of its work.
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Themes
Normality as a moving boundary
In the Guardian interview, Murata says her writing repeatedly asks “what is normal and what is abnormal?” She says the boundary became more unstable the more she experimented with the question. Vanishing World pushes that instability further than most of her work, because the book’s “normal” is the reader’s “abnormal.”
Love, sex and social organization
By making sex between spouses taboo and normalizing artificial conception, the novel asks readers to notice that accepted arrangements can seem natural only because a society has agreed to treat them that way. The book does not argue that either arrangement is correct. It shows how each one shapes what people feel they are allowed to want.
Belonging and accommodation
Amane’s arc moves from trying to belong to encountering a more radical system. Klaces reads the book as tracing how a new worldview can take hold and how social pressure to conform can turn into control. That reading belongs to the reviewer, and the novel leaves room for readers to weigh it against Amane’s own experience.
Collective care: liberation, control or both
Experiment City offers a version of family in which children belong to the community rather than to parents. The novel does not settle whether that is freedom or coercion. The reading-group guide from Grove Atlantic frames the issue as a question about what “family” means once it is separated from love and sexual desire, and how the community’s attempt to remake family changes Amane’s relationship to reproduction and belonging.
Fictional attachments and intimacy
In the interview, Murata connects her own experience of loving characters in stories to the novel’s fictional lovers. She also says she hoped to imagine a place that might be easier to live in for people who find this world difficult. Her comments explain why the novel treats its lovers with such care even inside a world that disapproves of their feelings.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What Murata has said about the book
In the 2025 Guardian interview, Murata explains her aim: “With Vanishing World I was trying to create a place where it might be easier for people who find it difficult to live in this world.” She also says: “But the more I’ve experimented with it, the more unstable the boundary has become. I started to think that normality itself is a kind of insanity.”
The interview’s headline quotes her describing marriage as “a kind of hostage situation” and motherhood as “a curse.” Those are her views in that conversation. They are not a summary of what the novel argues, and readers should keep the two separate.
How critics have read it
Klaces writes that “Murata’s writing is compulsive, and she has an uncanny gift for intimate observations that get under the skin.” His review also uses the phrase “a future without sex” in its headline, a framing that signals how central the book’s treatment of intimacy is to any reading of it.
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Repair Windows errors before they cause bigger problemsFix Now →Scan for outdated or missing drivers - takes under a minuteDriver Scan →Readers who want to compare Vanishing World with other speculative or translated novels can use four questions drawn from the reviewer’s account:
- How does the book imagine social norms around sex and family?
- Does its collective care work as liberation, control, or both?
- How does the protagonist move between conformity and resistance?
- How much does the book explain its world, and how much does it focus on moments where character and society collide?
On the fourth point, Klaces suggests the novel concentrates on those moments of collision rather than on world-building for its own sake.
Figures that are easy to confuse
The Guardian’s 2025 interview reports that more than 2 million copies of Murata’s Convenience Store Woman have sold and that it has been translated into more than 30 languages. Those figures refer to that earlier novel. They were reported in the interview and were not checked against a publisher source. No sales or readership figure for Vanishing World is given in the sources behind this article, so none is offered here.
Questions for a reading group
Grove Atlantic’s reading-group guide offers questions that work well for discussion:
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- What is the “vanishing world” that the title alludes to?
- What disappears in this novel?
- What needs to be held onto, or kept from vanishing?
These are prompts rather than answers, and they suit readers who want to test their own sense of what counts as normal.
Quick Recap
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