Every state sets a legal floor for coverage — and in most cases, that floor is lower than what you'd actually want in a real accident.
Almost every state requires drivers to carry some minimum level of car insurance, but "minimum" is doing a lot of work in that sentence — it means the smallest amount of coverage that's legal to drive with, not the amount that would actually protect you in a serious accident.
Most state minimum requirements are built around liability coverage, usually expressed as three numbers, like 25/50/25. Each number represents thousands of dollars:
In a 25/50/25 state, for example, a single accident causing $40,000 in injuries to one other person and $30,000 in vehicle damage would exceed both the per-person injury limit and the property damage limit — leaving the at-fault driver personally responsible for the difference.
This is the detail that surprises people most: state-required liability coverage pays for damage and injuries you cause to others. It does nothing for your own vehicle or your own injuries — that requires separate coverage like collision, comprehensive, or medical payments, none of which most states require.
A smaller group of states use a no-fault system, which generally requires Personal Injury Protection (PIP) in addition to liability coverage. Under no-fault rules, your own PIP coverage pays for your medical expenses after an accident regardless of who caused it, up to your policy's limit — the idea being that minor claims get resolved faster without first establishing fault through a lengthy process.
State minimums are set as a legal floor, not a recommendation, and they often haven't kept pace with the actual cost of modern medical care or vehicle repairs. A serious accident can easily generate medical bills or vehicle damage well above what a minimum policy would cover, which means the at-fault driver could be personally on the hook for the remainder — through savings, future wages, or even legal judgments.
A minimum policy is the legal floor for driving, not a real estimate of what a serious accident actually costs.
One common approach is to carry liability limits roughly equal to your total assets, since that's the rough ceiling of what you could realistically lose in a lawsuit stemming from an at-fault accident. Someone with significant savings, home equity, or other assets generally has more to protect than someone with very little, which is part of why financial advisors often recommend limits well above the state-required minimum.
Some states require uninsured motorist coverage alongside liability minimums; many don't, leaving it optional. Given that a meaningful share of drivers on the road carry only minimum coverage (or none at all in some cases), this optional coverage protects you specifically when the other driver doesn't carry enough — or any — insurance to cover the damage they caused you.
Because minimums vary by state and change periodically through legislation, the most reliable way to confirm your exact requirements is your state's department of insurance website or your own insurer, who must comply with current state law when issuing a policy. If you've recently moved, this is worth checking specifically — your old state's minimums don't carry over, and your new state may require different limits or coverage types entirely.
Meeting your state's minimum keeps you legally compliant, but it's worth treating that number as a starting point for the conversation rather than the answer. Comparing the cost of higher liability limits against what you'd actually be on the hook for in a serious accident is usually a fairly quick exercise — and for most drivers, the extra protection costs less than expected relative to the risk it removes.
Beyond choosing the right limits, simply maintaining continuous coverage matters for staying compliant with state law. Driving without at least the required minimum, even briefly, can result in fines, license suspension, or a requirement to file additional proof of insurance with the state going forward — and a lapse can also make your next policy more expensive, since insurers often treat a coverage gap as a risk signal independent of your driving record.
Most states require drivers to carry proof of insurance in the vehicle and present it during a traffic stop or after an accident, typically in the form of an insurance card or a digital equivalent through an insurer's app. Failing to provide proof when asked can result in its own separate penalty, even if you do, in fact, have valid coverage — it's worth keeping a current copy accessible rather than assuming you can sort it out later if asked.