Buying a Used Car in Japan: Shaken, Insurance and Parking Proof

Understand how shaken inspections, compulsory insurance, parking-space proof and registration fit together before you buy a pre-owned car in Japan, from a dealer or a private seller.

Published October 20, 2026 at 1:34 PM JST | By Tokyo Paul

Quick answer: Buying a used car in Japan involves four linked items: the shaken vehicle inspection and how much validity remains, compulsory liability insurance (jibaiseki), proof of a parking space (shako shomei) in areas that require it, and registration or transfer of ownership through the Land Transport Bureau. Dealers often handle the paperwork, while private sales leave more steps to the buyer.

The four pieces of the puzzle

Four things tend to come up in every used-car purchase in Japan. The first is shaken, the periodic vehicle inspection. The second is compulsory insurance, called jibaiseki. The third is proof that you have a place to park the car, known as shako shomei or a storage-space certificate. The fourth is registration, where ownership is recorded for the vehicle.

Seeing them as a set helps, because each one can delay the others if it is missed. A car with a long period left on its shaken is not automatically ready to drive off if the registration, insurance and parking paperwork are not in your name. Likewise, a low price can mean a short remaining shaken, which leads to an inspection bill soon after purchase. This guide shares general information, and the official pages named below describe the current rules in more detail.

Shaken: what it is and how it works

Shaken is the name of Japan's vehicle inspection program, a contraction of the Japanese term for the automobile inspection and registration system. According to reference sources, it applies to motor vehicles over 250 cc. Ordinary passenger cars and kei cars usually have a first inspection after three years and then every two years, while other vehicle types, such as many trucks, buses and taxis, have shorter intervals.

The inspection checks things such as the exterior and any modifications, brakes, headlights, the speedometer, exhaust and the undercarriage. A vehicle that does not pass must be repaired and tested again. Costs vary with the vehicle's size, weight and age, and they often include service fees and taxes on top of the inspection itself. Ask any seller for the expiry date of the current shaken and for a breakdown of what a renewal would involve.

Remaining shaken validity when you buy

Used cars are often advertised with a note about how long the current shaken remains valid. A car with a long period left may cost more up front, but it spares you an inspection bill soon after purchase. A car sold without shaken may be cheaper, but you will need to arrange an inspection before it can be driven legally on public roads.

Ask whether the price includes the next shaken, whether taxes and fees are included, and what items would be replaced during an inspection. Since the remaining period is a main part of the value, it helps to compare two cars by their total cost over the first two years, not just the sticker price. Dealers can usually explain these figures in writing, which is useful if you read Japanese slowly or want to double-check with a friend.

Compulsory insurance (jibaiseki)

Jibaiseki is compulsory automobile liability insurance, and the Ministry of Land, Infrastructure, Transport and Tourism says it is required for vehicles. It pays money for bodily injury or death that you cause to other people while driving, and the ministry notes that premiums are reviewed each year on a no-profit, no-loss principle. The scheme is meant to make sure injured people are paid reliably.

Because it covers only certain damage to other people, many owners also choose voluntary insurance for property damage, their own vehicle and other risks. The ministry's Japanese-language page also reminds owners that the insurance sticker color changes by year and that renewals should not be missed, so check the dates on the sticker and certificate when you buy a used car. The ministry's English page adds that victims of hit-and-run or uninsured vehicles are supported by a government program. A seller should hand over the remaining insurance paperwork or explain how coverage will be arranged in your name.

Proof of a parking space (shako shomei)

In many areas, you need to show that you have a legitimate place to park before a car is registered. Parking-space certificates are handled through the police, and in Tokyo the Metropolitan Police Department publishes guidance on the procedure. Depending on the area, applications may be made at a police station counter or through an online system, so check the police website for your prefecture.

Police guidance for the procedure typically covers fees, the car's main base of use, and the documents that show you have the right to use the space. Details differ by area, and some areas are exempt, so ask the police station or your dealer what applies where you live. A rental parking contract or a landlord's permission is often an important starting document, so ask your landlord early.

Registration and transfer of ownership

Registration records who owns the vehicle. The Ministry of Land, Infrastructure, Transport and Tourism runs a comprehensive portal for vehicle inspection and registration, covering procedures such as purchase, address change, transfer and scrapping. For a used car, the transfer is normally handled through the Land Transport Bureau's local office. A dealer will often file on your behalf for a fee.

In a private sale, the buyer and seller share the paperwork, so go through each document together and keep copies. Ask for the current inspection certificate, the insurance certificate and any maintenance records. Confirm your address matches your resident record, since the registration uses that address. This guide shares general information; rules change, so confirm details with the official agency or provider before you act.

Dealer or private sale

Dealers can bundle a price that includes taxes, fees, shaken and paperwork, which makes comparing offers easier. Some offer a basic guarantee period, and some will arrange insurance and the parking certificate application for you. Ask for a quote that lists each item so that two shops can be compared line by line.

A private sale can sometimes lower the price, but it places more tasks on the buyer: confirming ownership, completing the transfer, arranging insurance and sorting out the parking proof. Whichever route you choose, bring a Japanese-speaking friend or use a translation tool for contract wording, take time to read before signing, and avoid paying a full amount in cash without a written receipt. Visiting the official portal first gives you the vocabulary you need. Write down the questions you want to ask before each visit, so that every dealer answers the same ones and the offers can be compared fairly.

Frequently Asked Questions

What is shaken and how often does a car need it?

Shaken is Japan's vehicle inspection program. Reference sources say passenger cars and kei cars usually have a first inspection after three years and then every two years, while commercial vehicles often have shorter intervals. Check the official transport ministry portal for the current rules that apply to your vehicle type.

Do I need a parking space before I can register a car?

In many areas you need to show a legitimate place to park, called shako shomei, and the police handle the application. The requirement is generally not applied in every area. Ask your local police station or dealer what applies where you live, and confirm early.

Is compulsory insurance enough on its own?

Jibaiseki covers bodily injury or death caused to other people and is required. It does not cover everything, so many owners add voluntary insurance. Ask an insurer or the dealer which options suit your situation, and check that the compulsory certificate and sticker are valid on the day you take ownership.

Want to go deeper? Tokyo Paul's book Building a Life in Japan is available on Amazon.

Keep Exploring

More guides from Tokyo Paul: Converting a Foreign Driver's License in Japan: Process and Preparation, Leaving Japan for Good: A Checklist for Residents and Buying a Bicycle in Japan: Registration, Locks and Parking.