Compare Car Insurance in Japan

Compare the top car insurance providers in Japan — see cover, features and typical rates side by side.

Live offers

  1. e-kakuu Car Insurance · e-kakuu Insurance · ¥38000 /year
  2. SBI Car Insurance · SBI Insurance · ¥40000 /year
  3. Net Anshin Car Insurance · Net Anshin Insurance · ¥42000 /year
  4. Mitsui Sumitomo Car Insurance · Mitsui Sumitomo Insurance · ¥43000 /year
  5. Sony Sonpo Car Insurance · Sony Sonpo · ¥44000 /year

What is auto insurance in Japan?

Car insurance in Japan comes in two layers. Every vehicle must carry compulsory automobile liability insurance — jibaiseki (CALI) — which covers bodily injury to others but nothing else. On top, drivers buy voluntary insurance (nin'i hoken) covering property damage, their own vehicle, higher injury limits and extras. Voluntary cover is not legally required but is considered essential given jibaiseki's narrow scope.

How the Japanese market works

Voluntary insurance is sold by non-life (sonpo) insurers through two channels: agent-based insurers and cheaper direct online insurers. Tokio Marine, Mitsui Sumitomo Insurance and Sony Sonpo are major agent and direct players; AXA Direct Japan, Mitsui Direct General and e-kakuu Insurance compete on low online pricing; and cooperatives such as JA Kyosai offer mutual-model motor cover. Jibaiseki itself is standardised and bought when registering or inspecting a vehicle.

Benefits

Liability beyond jibaiseki — voluntary cover pays for property damage and injury costs far above the compulsory scheme's limited bodily-injury cap.

Own-vehicle cover — optional vehicle (sharyo) cover repairs or replaces your own car after an accident, theft or disaster.

Roadside and legal support — many policies bundle roadside assistance, accident response and personal-injury benefits for you and passengers.

How to choose

Start by confirming jibaiseki is in place, then build voluntary cover to your risk: unlimited third-party bodily-injury and property-damage limits are standard advice, plus own-vehicle cover if the car's value warrants it. Compare premiums across agent and direct insurers, check the no-claims grade (tokyu) discount you carry, and review driver-age conditions, deductibles and included roadside assistance. Direct online insurers usually undercut agent-sold policies for straightforward drivers.

Leading providers in Japan

Tokio Marine, Mitsui Sumitomo Insurance and Sony Sonpo lead the market across agent and direct channels. AXA Direct Japan, Mitsui Direct General and e-kakuu Insurance compete hard on low online premiums, Meiji Auto Insurance adds another established option, and JA Kyosai serves members through its cooperative motor-cover model.

What it costs

Voluntary premiums in the market commonly range from about ¥38,000 to ¥65,000 a year, depending on the driver's age and no-claims grade, the car, coverage limits and whether own-vehicle cover is included. Younger drivers and richer cover sit at the top; experienced drivers with a high no-claims grade and direct online policies pay less. Compulsory jibaiseki is a separate, standardised charge paid at registration or inspection.

Protections and regulation

Both layers are supervised by the Financial Services Agency (FSA) under the Insurance Business Act, with jibaiseki governed by the Automobile Liability Security Act. Compulsory insurance guarantees baseline injury compensation to accident victims, and voluntary insurers are backed by the Non-Life Insurance Policyholders Protection Corporation of Japan. Driving without jibaiseki is a criminal offence with heavy penalties.

Common questions

Is jibaiseki enough on its own? No — it covers only injury to others up to a limit and excludes property damage and your own car, so voluntary insurance is strongly recommended.

Agent or direct insurer? Direct online insurers are usually cheaper for confident drivers; agent-sold policies add hands-on support and advice at higher cost.

The cheapest Car Insurance in Japan is ¥38000 /year from e-kakuu Insurance.

Car Insurance in Japan — FAQ

What is the cheapest car insurance in Japan?

Giraffy tracks 5 car insurance products across e-kakuu Insurance,SBI Insurance,Net Anshin Insurance,Mitsui Sumitomo Insurance,Sony Sonpo insurers in Japan. The lowest tracked price is ¥38000 /year. Your individual premium depends on your vehicle, driving history, and location — comparing quotes regularly is the most effective way to cut costs.

What is the difference between third-party and comprehensive car insurance?

Third-party cover is the minimum legal requirement in most markets — it pays for damage you cause to other vehicles and people but not your own car. Comprehensive cover includes damage to your own vehicle regardless of fault — and is often only marginally more expensive than third-party cover.

What factors affect my car insurance premium?

Key factors include: age and driving experience, claims history and no-claims bonus, vehicle make, model, and engine size, annual mileage, where you park overnight, postcode, and whether you add named drivers. Younger drivers typically pay more due to statistically higher accident rates.

What is an excess and how does it affect my premium?

The excess is the amount you contribute towards a claim before the insurer pays the rest. There's usually a compulsory excess (set by the insurer) and a voluntary excess (you choose). Raising your voluntary excess lowers your premium — but make sure you could comfortably pay it if you needed to claim.

What is a no-claims bonus (NCB) and how does it work?

An NCB (or no-claims discount) rewards claim-free years with lower premiums — typically 10–15% discount per year, up to around 60–70% after 5+ years. You can protect your NCB with an add-on that allows 1–2 at-fault claims without losing your discount. Check if your NCB is transferable when switching insurers.

Does adding named or additional drivers affect my car insurance premium?

Adding an experienced driver with a clean record can sometimes reduce premiums. However, adding a young or inexperienced driver almost always increases costs. 'Fronting' — where a parent is listed as the main driver to reduce a young driver's premium — is illegal and can void a policy.

Can I get car insurance as a temporary or short-term policy?

Yes — temporary car insurance is available from specialist providers for short periods. It's useful for driving a car you don't own, sharing driving on a long trip, or covering a car you're selling. These policies don't affect the main policy holder's no-claims bonus.