How to Choose the 2026 Foreign Driver's License Conversion 50-Question Question Bank: Thorough Comparison of Free, Paid, and Official Materials

"Foreign License Conversion 50 Questions Question Bank"

"Foreign Driver's License Conversion Written Test Question Bank"

"Foreign License Conversion Past Exam Questions"

Users searching with these keywords are most likely already aware that the written test for foreign driver's license conversion has been updated to 50 questions with a 90% passing score.

The next logical question is — "So where can I find practice question banks to prepare?"

In this article, we will compare and break down the main viable options for finding practice materials for the new 50-question foreign license conversion test.

First, the basics: What is the new 50-question foreign license conversion test?

Before the comparison, we will briefly outline the core background rules. As explicitly stated on the public page published by the Tokyo Metropolitan Police Department on March 2, 2026:

• The written knowledge verification test can be taken in foreign languages (supports 20 languages)
• The public page of the Fukuoka Prefectural Police clearly specifies the post-reform rules for the foreign license conversion knowledge test:
  • Total questions: 50
  • Passing criteria: 45 or more correct answers (90%)
  • Test duration: Within 30 minutes

This means the test has a very strict structure where you can only get a maximum of 5 questions wrong out of 50. If you take the test with the old mindset of the previous system (10 questions, 70% passing rate), you will very likely fail.

Why is choosing the right question bank so critical?

Most people who struggle with the foreign license conversion written test make the mistake of assuming "I have driving experience so I will be fine", and take the test without sufficient preparation. However, the actual test content focuses on:

• Differences between traffic rules in Japan and your home country (right-of-way rules, mandatory slow-down obligations, etc.)
• Detailed interpretation of traffic signs and road markings
• Scenario questions that include negative phrasing and exception clauses

These are all questions that test your understanding of Japanese traffic rules, not your actual driving skills. On top of that, the 90% passing threshold is extremely high, so if you use misaligned self-study materials, your 5-question error allowance will disappear very quickly. That is exactly why your choice of practice question bank directly determines whether you pass or fail.

Option 1: Official pages of the National Police Agency / Prefectural Police Departments

Content: Official information including system overviews, test language support, and required application documents.

Pros:

• The most accurate information source available
• You can confirm system updates directly from primary official sources

Cons:

• No actual practice question functions at all
• They only explain the system via PDFs and text, with no "solve and memorize" practice format
• Many prefectural police departments do not have fully translated foreign language pages

Best for: People who want to accurately understand the system itself (note that these are not usable as practice materials)

Option 2: YouTube explanatory videos

Content: Videos explaining the foreign license conversion system updates and test-taker experiences.

Pros:

• Free of charge
• Easy to get a general sense of how the system works

Cons:

• Information varies widely in recency (many videos still use pre-October 2025 outdated system information)
• No interactive practice function — you only watch, and do not get the actual experience of solving test questions
• There is basically no structured full practice set aligned to the new 50-question format

Best for: People who want to get a rough general idea of the test before starting serious preparation.

Option 3: Preparation materials provided by driving schools

Content: Written test practice handouts distributed to students enrolled at driving schools.

Pros:

• You can ask instructors questions in person
• You can prepare for the practical driving test at the same time

Cons:

• You can only access these materials if you enroll in the driving school
• Very high cost (it is often over-investment if your only goal is foreign license conversion)
• Incurs significant time cost for commuting to the school

Best for: People who have enough time and budget, and prioritize in-person guidance.

Option 4: Experience posts on Q&A platforms / social media

Content: Personal test-taking experiences and posts describing what questions appeared on the test.

Pros:

• Free of charge
• You can read unfiltered real first-hand test experiences

Cons:

• Information reliability varies widely
• Since all content is based on personal memory, there is no systematic full coverage of all test points
• Outdated pre-reform information is very often mixed in with new posts

Best for: People who use these as supplementary reference alongside other preparation materials to get a better sense of the test.

Option 5: Paid written test preparation apps

Content: A subset of apps originally designed for the regular full driver's license written test for Japanese residents.

Pros:

• Very large volume of practice questions
• Regularly updated on an ongoing basis

Cons:

• Most are only available in Japanese, with no foreign language support
• Almost none are built specifically for foreign license conversion — they are designed for the regular full license test (95 questions total), so their question focus does not match the 50-question foreign license conversion test
• Most use a monthly subscription model, which is overpriced if you only need to prepare for the foreign license conversion test

Best for: People with strong Japanese proficiency who also want to learn the full regular driver's license content.

Option 6: Multilingual online question bank (JapanDL)

Content: A multilingual question bank site that supports foreign license conversion, provisional license, full regular license, and commercial driver's license tests.

Pros:

• You can switch between Chinese, Japanese, English, and Vietnamese while studying
• You can practice questions that align with the question trend of the new 50-question foreign license conversion test
• It automatically records all questions you answered wrong, making it easy to identify your weak points
• It works on smartphones, so you can easily practice in your spare time such as during commutes

Notes (for fair comparison):

• Some advanced functions are paid (for access to unlimited practice beyond the free tier)
• It is not the official test itself, so practice questions are not guaranteed to be 100% identical to the actual exam questions.

Best for: People who want to efficiently get familiar with the 50-question format in their preferred language, and want to practice consistently using fragmented spare time.

6 Options Comparison Table

| Option | Practice Function Available | Multilingual Support | Cost | Suitability for 50-question Format | |---|---|---|---|---| | Official Police Pages | ✕ | Partial only | Free | － | | YouTube Explanations | ✕ | Varies by video | Free | Low | | Driving School Materials | ○ | Almost none | High | Medium | | Q&A / SNS Posts | △ | None | Free | Low | | Paid Regular License App | ○ | Almost none | Medium to High | Low to Medium (designed for regular full license) | | Multilingual Question Bank (JapanDL) | ○ | ○ | Partially Paid | High |

3 Key Checkpoints When Choosing a Question Bank

Based on the comparison table, we recommend you confirm the following 3 points when selecting your practice materials:

1. Is it designed for the 50-question foreign license conversion format?

If you directly use a question bank made for the 95-question regular full license test, you will get a mismatched sense of test scope and difficulty. Make sure the question bank you choose is built for the 50-question, 90% passing rate framework.

2. Can you fully understand the content in your own language?

If you only use a Japanese-only question bank, you will easily end up in a situation where "you get the answer right, but you do not understand why it is correct". A learning environment where you can check explanations in your native language is highly recommended.

3. Does it have a built-in function for reviewing wrong answers?

Since the 90% passing threshold is very high, you cannot just casually solve questions and move on. A system that lets you focus on reviewing all questions you got wrong will directly impact your final test score.

Summary: How to Choose the Right 50-Question Foreign License Conversion Question Bank

1. Official police pages are only for system reference — understand that they are not practice materials
2. Do not repurpose regular full license apps directly — their question trends do not match the 50-question foreign license conversion test
3. Confirm that the material supports your preferred language — this directly impacts your level of understanding
4. Prioritize materials with a wrong-answer review function — at the 90% passing threshold, the quality of your review will decide if you pass or fail

FAQ

Is the foreign license conversion test still 10 questions now?

No. According to the public page of Fukuoka Prefectural Police, after the system reform, the test has been updated to 50 questions with a 90% passing rate (45 or more correct answers).

Are foreign license conversion question banks only available in Japanese?

It depends on the material. Most official documents and domestic Japanese apps are only in Japanese, but there are also multilingual question bank sites available.

Are there free foreign license conversion question banks?

Official police pages, some videos and SNS posts are free to access, but question banks with full structured practice functions and wrong-answer review features almost always include paid tiers.

Can I pass the foreign license conversion test without enrolling in a driving school?

It is fully allowed under the official system. However, given the very high 90% passing threshold, structured preparation using proper practice question banks is strongly recommended.

Official Reference Information

• Tokyo Metropolitan Police Department: Written Tests Available in Foreign Languages https://www.keishicho.metro.tokyo.lg.jp/menkyo/menkyo/foreign_exam.html
• Fukuoka Prefectural Police: System Reform: Address Verification for License Applications and Stricter Rules for Foreign License Conversion https://www.police.pref.fukuoka.jp/kotsu/unshi/gaimen_seidokaisei.html

→ Try the multilingual foreign license conversion question bank (JapanDL)