Japan calls the foreign licence conversion route gaimen kirikae. On first use, gaimen kirikae simply means converting an overseas driver's licence into a Japanese one. It is handled by the prefectural driver's licence center or Public Safety Commission route for your area, not by the immigration office and not by your city hall.
What are the core eligibility rules?
The two national basics in JAF guidance checked for July 2026 are straightforward. Your foreign licence must still be valid, and you must be able to prove that you stayed in the issuing country for at least three months in total after the licence was issued. That second rule matters a lot because many newcomers assume possession of the card itself is enough. Japan wants evidence that the licence was genuinely held and used after issue, not just obtained during a short visit.
You also need to apply in the prefecture where you live. That makes your address choice in Where to live in Japan and your actual municipal registration relevant even for driving. A person living in Tokyo, Osaka, or Fukuoka may face different appointment systems and local document instructions because prefectural police manage the actual procedure.
For the Japanese translation, JAF is the standard route for many licences. JAF also notes that some embassy or consulate routes apply in certain cases. The safe rule is not to guess from online forum lists. Check the current licence center instructions for your issuing jurisdiction before paying for the wrong translation.
Which documents usually matter most?
Expect to show your valid original licence, passport, residence card, Japanese translation, and records that prove time spent in the issuing country after the issue date. Passports with entry and exit stamps are central, but they are not always enough on their own if the travel history is incomplete or if nationality and issuing country do not line up neatly.
JAF guidance also mentions juminhyo, the resident record certificate, among documents used in the process. This is one more reason to keep your Japanese address record clean after Register address. If names differ across the licence, passport, residence card, and juminhyo, fix that mismatch early or prepare to explain it carefully at the center.
Do not assume an International Driving Permit solves the conversion step. It may help with temporary driving in some cases, but it is not the same as switching to a Japanese licence.
Will you need tests?
Some issuing countries or regions are exempt from parts of the testing process, while others are not. The exact list and treatment can change, and prefectural centers can apply the current rule for the specific issuing jurisdiction. That is why this page should not publish a frozen country list. JAF and local police guidance are the right places to confirm the live rule.
If tests are required, they can include a knowledge test, a practical test, or both. Build time into your plan. In rail-heavy areas covered in Utilities internet transport, many newcomers can delay driving and rely on trains while they complete the conversion route. In more car-dependent outskirts or regional work setups, a failed assumption about a fast conversion can disrupt daily life.
Common misconceptions
Not every foreign licence converts test-free. Whether you need a knowledge or practical test depends on the issuing jurisdiction and the current Japanese rule for that licence.
The three-month rule is also not about how long you have lived in Japan. It is about proving you stayed in the issuing country for at least three months after the foreign licence was issued.
Summary
Use the gaimen kirikae route through the prefectural driver's licence center for your place of residence. Prepare the valid original licence, Japanese translation, passport history, residence card, and proof of at least three months in the issuing country after issue.
Then check the current testing rule for your exact licence jurisdiction with JAF and the local police authority. In Japan, the real risk is not the form itself but assuming your licence category or exemption works the same as someone else's.
Sources
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