If you are a foreign resident leaving Japan for good, there is money you may be entitled to claim back — your Japanese pension contributions. This is known as the pension lump-sum withdrawal, or Dattai Ichijikin, and it is one of the most valuable refunds available to foreigners who have paid into Japan's national pension system. Yet many people leave Japan without ever applying, simply because the process feels complicated. This guide walks you through everything you need to know about the pension lump-sum refund Japan foreigners can claim — eligibility, documents, steps, and what to expect.
What Is the Pension Lump-Sum Withdrawal?
Japan's national pension system (Kokumin Nenkin) and employees' pension system (Kosei Nenkin) require most residents to make monthly contributions. If you leave Japan permanently without qualifying for a Japanese pension, you can apply to receive a portion of those contributions back as a lump-sum refund.
This refund is not the full amount you paid in — it is calculated based on the number of months you contributed, up to a maximum of 60 months (five years) for the national pension, and up to a separate cap for the employees' pension. The exact amounts are set by the Japan Pension Service and are updated periodically, so always confirm the current figures on the Japan Pension Service official website.
Who Is Eligible for the Pension Lump-Sum Refund?
To qualify, you must meet all of the following conditions:
- You are not a Japanese national.
- You have paid into the Japanese pension system for at least six months.
- You have left Japan (your residence registration — jūminhyō — has been cancelled).
- You have not reached the age to receive a Japanese pension (generally 65).
- You have never received a Japanese pension of any kind.
- You apply within two years of leaving Japan. This is a strict deadline — do not miss it.
Note: If Japan has a social security agreement with your home country, the rules may differ. Countries with such agreements include the USA, UK, Germany, South Korea, Australia, and others. Check the Japan Pension Service site to see if your country is listed, as this can affect whether your contribution periods are counted differently.
How Much Will You Receive?
The refund amount depends on:
- Which pension system(s) you contributed to (national pension, employees' pension, or both).
- The total number of months you contributed (capped at 60 months for national pension purposes).
- Your average standard remuneration (for employees' pension).
A 20% withholding tax is automatically deducted before you receive the payment. However, if Japan has a tax treaty with your home country, you may be able to reclaim some or all of that tax. A tax representative (zeirishi) in Japan can file on your behalf after you leave — this is worth looking into if the amount is significant.
Documents You Will Need
Gather the following before or shortly after you leave Japan:
- Pension book (Nenkin Techo) — the blue booklet, or your Basic Pension Number notification.
- Passport — a copy showing your personal details and the departure stamp.
- Proof that you have left Japan — your residence cancellation certificate (Jūsho Ridatsu Shōmei), which you should request at your local city hall on the day you deregister.
- Foreign bank account details — including the bank name, branch, SWIFT/BIC code, IBAN or account number, and your name as it appears on the account. The payment will be sent in Japanese yen and converted by your bank.
- Completed application form (Dattai Ichijikin Seikyūsho) — downloadable from the Japan Pension Service website in multiple languages.
- Appointment of a tax representative form — if you wish to reclaim withholding tax later.
Step-by-Step Application Process
Step 1: Cancel Your Residence Registration Before You Leave
Visit your local city hall (shiyakusho or kuyakusho) and complete your move-out notification (Tenshutsu Todoke). Request a residence cancellation certificate at the same time — you will need this as proof that you have left Japan.
Step 2: Download and Complete the Application Form
The Dattai Ichijikin Seikyūsho form is available in English and several other languages on the Japan Pension Service website. Fill it in carefully. Make sure your foreign bank details are accurate — errors here cause significant delays.
Step 3: Send Your Application After Leaving Japan
You must send the application after you have left Japan — you cannot apply while still residing there. Mail the completed form and all supporting documents to:
Japan Pension Service (Nihon Nenkin Kiko)
3-5-24, Takaido-nishi, Suginami-ku, Tokyo 168-8505, Japan
Use registered international mail so you have a tracking number and proof of postage.
Step 4: Wait for Processing
Processing typically takes around three to four months from the date the Japan Pension Service receives your application, though this can vary. You will receive a notification letter, and the refund will be transferred directly to your overseas bank account.
Step 5: Consider Reclaiming the Withholding Tax (Optional)
If a tax treaty exists between Japan and your home country, your appointed tax representative in Japan can file a refund claim for the 20% withheld. This step is optional but can be worthwhile for longer contribution periods.
Practical Tips to Avoid Common Mistakes
- Do not cancel your pension book before you apply. Keep your blue Nenkin Techo safe until the refund is paid.
- Double-check your bank details. A wrong SWIFT code or account number can mean your transfer is returned or lost.
- Apply within two years. The deadline is strict and cannot be extended.
- Keep copies of everything you send — the form, all documents, and your postal receipt.
- If you use a money transfer service like Wise or Remitly for receiving funds overseas, confirm whether a Japanese yen incoming international wire is supported to your recipient account before you submit those details.
Summary: Get Your Pension Refund Before the Deadline
The pension lump-sum refund for foreigners leaving Japan is real money that you have earned through months or years of contributions. The process requires some paperwork and patience, but it is entirely manageable if you follow each step carefully. To recap the key points:
- You need at least six months of contributions and must have left Japan.
- Apply within two years of departure — this deadline is firm.
- Gather your documents (pension book, passport, residence cancellation certificate, bank details) before or right after you leave.
- Mail your application to the Japan Pension Service from overseas.
- Expect around three to four months for processing and payment.
- Consider reclaiming the 20% withholding tax if a treaty applies to your country.
It may feel like a lot of steps, but thousands of foreigners successfully claim this refund every year. Take it one step at a time, refer to the Japan Pension Service website for the latest official information, and do not leave Japan without at least looking into what you are owed. You worked for it — make sure you get it back.