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- Complete Guide to Required Documents and
Complete Guide to Required Documents and
- 2025/06/25

Complete Guide to Required Documents and Translation Tips for Naturalization Applications in Japan
When applying for Japanese naturalization, two major challenges often arise: preparing the required documents and translating foreign-language materials. For foreign nationals, obtaining documents from their home country and understanding the correct translation standards can be time-consuming and confusing. Based on real-world experience, Gyoseishoshi Ishinagi Office provides clear guidance on how to handle each document and translation effectively.
For the Japanese version of this article, please see こちらの記事をご覧ください(日本語版).
目次
📄 List of Required Documents and How to Obtain Them
Application for Naturalization
- How to Obtain: Provided only to the applicant during a pre-consultation at the Legal Affairs Bureau. Not available online. Not obtainable by proxy.
- Notes: Personalized forms; must be signed by the applicant.
- Administrative Scrivener Role: Support with drafting and checking the contents (but cannot obtain the form).
Resume
- How to Obtain: Distributed during the interview at the Legal Affairs Bureau.
- Notes: List academic and work history accurately; avoid gaps.
- Administrative Scrivener Role: Support drafting based on interviews; check for consistency.
Passport & Residence Card (Copy)
- How to Obtain: Applicant makes their own color copies.
- Notes: Copy both sides of the Residence Card; all pages of the passport.
- Administrative Scrivener Role: Review for completeness and accuracy.
Resident Record (Juminhyo)
- How to Obtain: At city hall or via convenience store (requires My Number card).
- Notes: Must include relationship details; exclude My Number; issued within 3 months.
- Administrative Scrivener Role: Can obtain with a power of attorney.
Tax Certificates
- How to Obtain: From the tax office (national tax) or city hall (resident tax).
- Notes: Typically last 2-3 years; some need a proxy form and stamp.
- Administrative Scrivener Role: Help draft proxy forms, guide application, and apply on your behalf with authorization.
Proof of Income (Taxation Certificate)
- How to Obtain: At city hall; can also use My Number card at convenience stores in some areas.
- Notes: Check which years are needed; must be issued within 3 months.
- Administrative Scrivener Role: Confirm necessary years and assist with proxy application.
Certificate of Employment
- How to Obtain: Request from your HR department.
- Notes: Should include job title, employment type, and period. Company seal may be required.
- Administrative Scrivener Role: Provide a request letter template and review contents.
Bankbook Copy
- How to Obtain: Copy your bankbook (6 months’ records recommended). PDFs acceptable for online banking.
- Notes: Show deposit/withdrawal history, not just the balance.
- Administrative Scrivener Role: Advise which pages to copy and help with supplementary notes.
Rental Contract Copy
- How to Obtain: Copy your lease agreement.
- Notes: Include pages showing your name and address; add renewal documents if applicable.
- Administrative Scrivener Role: Confirm content and recommend additional materials if needed.
Family Relationship Certificate (Foreign Language)
- How to Obtain: Obtain from home country or through embassy/consulate.
- Notes: Includes birth, marriage, or divorce certificates; translation required.
- Administrative Scrivener Role: Guide on how to obtain documents and check translations.
Translations
- How to Obtain: Self-made or commissioned to a scrivener or translator.
- Notes: Errors can negatively impact the application; translator’s name and signature required.
- Administrative Scrivener Role: Provide translations and verify consistency with the full application.
Statement of Purpose
- How to Obtain: Created based on applicant’s motivations; often supported by scrivener interviews.
- Notes: Use positive, specific language; provide context if Japanese skills are limited.
- Administrative Scrivener Role: Help structure and align the statement with the entire application.
📌 How to Organize and Submit the Documents
📄 Standard Order of Documents
Note: An official checklist will be provided at your consultation, but this is a common structure:
🩷 Submission Tips
- No stapling: Submit documents loose in a clear file or envelope
- Use A4 paper: Do not fold or damage the papers
- Maintain correct order: Misordering can cause delays or rejection
- Attach originals with copies when required
- Translations and originals: Present together without stapling (side-by-side)
📂 Document Volume and Checks
- Applications typically exceed 100 to 200 pages
- Create a checklist to prevent omissions
- Keep copies of all documents for your records
📆 Recommended Submission Materials
- Clear file (A4 size) to organize documents in order
- No need for a cover page unless instructed
- If mailing, use a Kaku-2 envelope and write your name clearly on the front