Prostitution in Japan is technically illegal but structured so that almost no one is punished for the act itself. The Anti-Prostitution Act of 1956 prohibits paid sexual intercourse with an unspecified person, yet neither the buyer nor the seller faces criminal penalties for the transaction. Criminal liability falls on people who organize, solicit, recruit, or profit from prostitution. On top of that, Japanese courts read “sexual intercourse” narrowly enough that an entire licensed adult entertainment industry operates legally around the statute by offering non-penetrative services.
What the Anti-Prostitution Act Actually Prohibits
Article 2 of the 1956 act defines prostitution as sexual intercourse with an unspecified person in exchange for compensation. Japanese courts have long read “sexual intercourse” to mean vaginal penetration. Everything else — oral and manual services, and other forms of non-penetrative contact — sits outside the statutory definition.
Article 3 then declares that no person shall engage in prostitution or become a customer of a prostitute. The language is sweeping, but it is declaratory. No prison sentence or fine attaches to the exchange itself. The buyer and the seller both commit a prohibited act and neither is punished for it.
Who Does Get Prosecuted
The Anti-Prostitution Act reserves its criminal penalties for the conduct around the transaction. This is the piece most readers miss: paying for sex or being paid for sex carries no sanction, while nearly everything that makes the transaction happen does.
Public solicitation is the most commonly charged offense. Soliciting for prostitution in public carries up to six months in prison or a fine of up to ¥10,000. The penalties climb sharply for anyone involved in organizing the trade:
- Luring someone into prostitution through fraud or intimidation: up to three years in prison or a fine of up to ¥100,000. When force or threats are used, the fine becomes mandatory alongside the prison term.
- Receiving payment connected to coerced prostitution: up to five years in prison and a fine of up to ¥200,000.
- Recruiting people into prostitution: up to three years in prison or a fine of up to ¥100,000.
- Managing an establishment whose primary purpose is facilitating prostitution: up to five years in prison and fines of up to ¥200,000.
The absence of any penalty for buyers has become a live policy question. In 2024, Japanese lawmakers began examining whether to add criminal consequences for people who pay for sex. Whether that effort produces legislation is still open.
The Licensed Industry That Operates Around the Definition
Because the Anti-Prostitution Act reaches only vaginal intercourse, a large legal industry has grown up offering other sexual services. It is governed by the Act on Control and Improvement of Amusement Business, commonly called Fueho. Fueho does not legalize prostitution. It licenses businesses whose services fall outside the 1956 act’s definition.1Japanese Law Translation. Act on Control and Improvement of Amusement Business
Any business offering intimate services must notify the prefectural Public Safety Commission before opening. The statute distinguishes store-based sex-related businesses (the venues the industry calls soaplands or fashion health establishments) from non-store-based ones (dispatch services that send workers to clients).
Store-based operations face strict location rules. Prefectural public safety commissions set prohibited zones, including buffer areas around schools, libraries, hospitals, and similar facilities, and the exact distances vary by prefecture rather than being fixed nationally. Commissions can also designate entire districts as off-limits. Amusement businesses generally cannot admit customers or allow them to remain on the premises between midnight and sunrise, though prefectural governors may grant exceptions in the public interest.1Japanese Law Translation. Act on Control and Improvement of Amusement Business Inspections are unannounced. Operating without registration, in a prohibited zone, or in violation of licensing conditions can bring closure orders and criminal penalties for the owner.
Rules Are Much Stricter When a Minor Is Involved
Everything above describes adults. Where a minor is involved, Japan applies a separate and much broader statute that does not share the Anti-Prostitution Act’s narrow definition.
No one under 18 may work in any sex-related business regulated under Fueho, in any category. Violations fall on the business operator, not the minor.1Japanese Law Translation. Act on Control and Improvement of Amusement Business
The Act on Regulation and Punishment of Activities Relating to Child Prostitution and Child Pornography treats a “child” as anyone under 18 and defines “child prostitution” to cover sexual intercourse, conduct similar to intercourse, and touching of intimate areas in exchange for payment. That sweeps in services that would fall outside the adult statute entirely.2Japanese Law Translation. Act on Regulation and Punishment of Acts Relating to Child Prostitution and Child Pornography and Protection of Children Penalties are severe:
- Engaging in child prostitution: up to five years in prison or a fine of up to ¥3,000,000.2Japanese Law Translation. Act on Regulation and Punishment of Acts Relating to Child Prostitution and Child Pornography and Protection of Children
- Acting as an intermediary: up to five years in prison or a fine of up to ¥5,000,000. If the intermediation is habitual, the maximum rises to seven years in prison and a fine of up to ¥10,000,000.2Japanese Law Translation. Act on Regulation and Punishment of Acts Relating to Child Prostitution and Child Pornography and Protection of Children
A service that would be legal with an adult can produce serious prison time when a minor is involved.
Rules for Foreign Nationals
The Immigration Control and Refugee Recognition Act adds a separate layer for non-citizens that goes well beyond what Japanese nationals face.
A foreign national who has engaged in prostitution or in any business directly connected to it, including providing locations or recruiting, is denied entry into Japan. The bar applies even to conduct that took place in another country. People forced into prostitution by traffickers are not subject to this bar.3Japanese Law Translation. Immigration Control and Refugee Recognition Act
Foreign nationals already in Japan face deportation if they engage in prostitution or connected activities.3Japanese Law Translation. Immigration Control and Refugee Recognition Act The re-entry ban is five years for a first offense and ten years for anyone previously deported for any immigration violation.
Work rules narrow things further. Foreign nationals holding temporary residence statuses under Table I of the Immigration Act — student, cultural, and occupational visa categories — can only perform activities their specific visa allows. Sex-related businesses are not a permitted activity under any Table I category.3Japanese Law Translation. Immigration Control and Refugee Recognition Act Spouses of Japanese nationals and permanent residents hold Table II statuses with broader employment rights, but engaging in prostitution itself still triggers deportation.
Trafficking Charges Under the Penal Code
Separately from the Anti-Prostitution Act, Japan’s Penal Code addresses human trafficking with its own, often harsher penalties. These provisions apply whether or not the underlying conduct meets the narrow definition of prostitution.
Buying a person carries three months to five years in prison. Buying a minor raises the maximum to seven years. When the purchase is for the purpose of sexual exploitation, the range becomes one to ten years, the same penalty that applies to sellers. Transporting a trafficking victim across national borders carries a minimum of two years.4Japanese Law Translation. Penal Code
Japan has no single comprehensive anti-trafficking statute. Prosecutors assemble charges from the Penal Code, the Anti-Prostitution Act, the child protection statutes, and immigration law. The U.S. State Department’s 2024 Trafficking in Persons report flagged this fragmented approach.5United States Department of State. 2024 Trafficking in Persons Report: Japan For anyone looking at the law, the practical point is that the specific charges and penalties depend on which combination of statutes prosecutors choose to apply.
Support Services Separated from Enforcement in 2024
For decades, government support for women in the sex industry sat inside the Anti-Prostitution Act as a “Women’s Protection Program” built around rehabilitation. The women using those services were often dealing with poverty, domestic violence, family breakdown, and isolation rather than prostitution as such.6DINF Disability Information Resources. MHLW Enactment of Legislation to Support Vulnerable Women
In April 2024, the Act on Support for Women Facing Difficult Problems took effect and replaced that framework. The new law drops the rehabilitation framing, requires prefectures to establish Women’s Consultation Support Centers, and formally integrates the private organizations that had been providing frontline help.6DINF Disability Information Resources. MHLW Enactment of Legislation to Support Vulnerable Women Seeking help is no longer routed through anti-prostitution enforcement, which matters for anyone trying to leave the industry.