Getting married in Japan is an exciting milestone, but for foreign residents, the paperwork can feel overwhelming. If you are searching for help with marriage registration in Japan for foreigners, you are in the right place. This guide walks you through every step — from gathering documents to updating the family registry — in plain, straightforward English.
What Is the Japanese Marriage Registration System?
In Japan, marriage is a legal act registered at your local city hall or ward office (市区町村役場). There is no mandatory wedding ceremony required by law. Once your marriage notification (kon'in todoke) is accepted, you are legally married in Japan. This registration also affects Japan's family registry system, known as the koseki (戸籍).
As a foreigner, you will not be entered into a Japanese koseki yourself, but your marriage will be recorded on your Japanese spouse's koseki if applicable, or documented through other official records if both partners are foreign nationals.
Who Needs to Register a Marriage in Japan?
- A foreign national marrying a Japanese citizen in Japan
- Two foreign nationals both residing in Japan
- A foreign national who wants their Japanese marriage to be legally recognised in their home country
Even if you have already had a ceremony abroad, if you live in Japan you may still need to complete registration here for your marriage to be valid under Japanese law.
Step-by-Step: How to Register Your Marriage at City Hall
Step 1 – Get the Marriage Notification Form
Pick up the kon'in todoke (婚姻届) form free of charge at any city hall or ward office. You can usually download a printable version from your municipality's official website as well. The form is in Japanese, so ask staff for an English guide sheet — many larger city halls in urban areas have these available.
Step 2 – Gather Your Required Documents
The exact documents required can vary by municipality and your nationality, so always confirm the latest requirements with your local city hall. As a general guide, you will typically need:
- Completed kon'in todoke form — signed by both parties and two adult witnesses
- Certificate of Eligibility to Marry (sometimes called a "Certificate of No Impediment" or kon'in yoken gubi shomeisho) — issued by your home country's embassy or consulate in Japan. This proves you are legally free to marry.
- Official translation of the certificate — if the certificate is not in Japanese, a Japanese translation is required. You can often provide your own translation, but check with your city hall first.
- Your passport — as proof of identity
- Residence card (zairyu card) — to confirm your registered address in Japan
- Japanese spouse's family registry extract (koseki tohon) — if your partner is Japanese
Some nationalities have additional requirements. Contact your embassy well in advance, as processing times for the Certificate of Eligibility to Marry can take several weeks.
Step 3 – Submit the Form at City Hall
Both partners do not always need to be present at submission — rules differ by municipality. However, bringing your partner along makes the process smoother and allows staff to resolve any issues on the spot. City hall staff will check your documents and, if everything is in order, stamp and accept the form. Keep a copy for your records.
Step 4 – Receive Confirmation
Once accepted, your marriage is legally registered in Japan from that date. You will not receive a marriage certificate automatically — you need to request a kon'in todoke juri shomeisho (receipt of marriage registration) or a koseki extract separately if you need proof of your marriage.
Updating the Koseki (Family Registry)
If your spouse is a Japanese national, your marriage will be recorded in their koseki. Your name will appear as their spouse, though as a foreigner you will not have your own koseki entry. The koseki will reflect your name in katakana (the Japanese phonetic script used for foreign names), so confirm with staff that your name is recorded accurately.
If both you and your partner are foreign nationals, Japan does not create a koseki entry for the marriage, but city hall will issue documentation of the registration. This is the document you will use when reporting the marriage to your home country.
Reporting Your Marriage to Your Home Country
Registering in Japan does not automatically mean your marriage is recognised in your home country. Most countries require you to report the marriage separately to your embassy or consulate, or to a registry office in your home country. Check with your embassy as soon as possible after the Japanese registration is complete.
Practical Tips to Make the Process Easier
- Start early with your embassy. The Certificate of Eligibility to Marry can take weeks or even months to obtain from some embassies.
- Bring extra copies of everything. City halls sometimes ask for additional copies on the day.
- Call ahead. Phone your local city hall's foreign resident support desk (if available) to confirm the exact documents needed for your specific nationality.
- Consider the timing. City halls accept marriage registrations 24 hours a day, 365 days a year for the submission box (night window), but document checks are only done during business hours. If you want same-day confirmation, go during opening hours.
- Use an interpreter if needed. If your Japanese is limited, bring a Japanese-speaking friend or contact your municipality to ask if interpretation support is available.
Changing Your Visa Status After Marriage
If you marry a Japanese national, you may become eligible to apply for a Spouse of Japanese National visa, which can offer more flexible residency rights. Contact the Immigration Services Agency of Japan or a registered immigration specialist (gyoseishoshi) for guidance on this, as visa rules are subject to change and your situation will be individual.
Summary: Your Marriage Registration Checklist
Registering your marriage in Japan as a foreigner involves more steps than many people expect, but it is entirely manageable when you take it one step at a time. Here is a quick recap:
- Contact your embassy to obtain your Certificate of Eligibility to Marry
- Pick up and complete the kon'in todoke form
- Arrange a Japanese translation of any non-Japanese documents
- Submit at city hall with your passport, residence card, and required documents
- Request official proof of registration if needed
- Report the marriage to your home country's embassy or registry
- Look into visa status changes if relevant to your situation
The process may feel daunting at first, especially with a language barrier, but city hall staff deal with foreign resident registrations regularly. Do not hesitate to ask for help, bring a friend if you need support, and confirm all document requirements directly with your local municipality and embassy before you visit. Congratulations on this exciting step — you have got this.