If a driver without insurance hits you, you’ll still be protected if you have uninsured motorist coverage

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• Uninsured and underinsured motorist coverage protect you if someone without adequate car insurance hits you.
• This coverage falls under liability insurance, which also covers damage you cause to other vehicles or drivers.
• Liability insurance is required by law, but only some states require uninsured motorist coverage.
• See Insider’s picks for the best car insurance companies.

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Car insurance is required by state law, unlike homeowners insurance. But according to Michael Dietry, assistant vice president of personal line products and services at Dairyland Insurance, in 2017, 13% of motorists (or 1 in 7 drivers) were uninsured.

There are four main types of car insurance: comprehensive, collision, and liability. Full coverage is a combination of the three. To protect yourself from uninsured drivers, some states require uninsured and underinsured motorist coverage, which falls under liability car insurance.

What is uninsured and underinsured liability car insurance?

Liability insurance covers damage you cause to the other vehicle, driver, and its passengers. It also includes uninsured motorist (UM) and underinsured motorist (UIM) coverage – to protect you when an at-fault driver with no coverage or not enough coverage hits you .

Dietry said uninsured and underinsured coverage is required in 22 states, but if you have full coverage car insurance you can reject uninsured and underinsured coverage. Minimum coverage requirements for liability insurance vary by state.

Types of liability coverage	Definition
Bodily injury (BI)	Injury you cause to others, includes medical expenses, lost wages, and funeral expenses
Property damage (PD)	Damage you cause to others’ vehicle or property
Uninsured motorist (UM)	Protects you when an at-fault driver hits you with no insurance
Underinsured motorist (UIM)	Protects you when an at-fault driver hits you with not enough coverage

What does uninsured and underinsured insurance cover?

Uninsured and underinsured liability insurance covers damage to you or your vehicle caused by someone who doesn’t have insurance, or who doesn’t have enough insurance.

Damage	Comprehensive	Collision	Liability*	Full
Theft	Yes	No	No	Yes
Vandalism	Yes	No	No	Yes
Fire	Yes	No	No	Yes
Natural disaster	Yes	No	No	Yes
Falling objects (tree)	Yes	No	No	Yes
Animal damage	Yes	No	No	Yes
Collision/accident	No	Yes	No	Yes
Rollover	No	Yes	No	Yes
Bodily injury/medical bills	No	No	Yes	Yes
Physical damage	No	No	Yes	Yes
Property damage	No	No	Yes	Yes
Uninsured motorist	No	No	Yes	Yes

*Most states require some type of liability coverage

Comprehensive car insurance coverage replaces or repairs your vehicle if it’s stolen or damaged. Comprehensive coverage typically covers damage from fire, vandalism, or falling objects like a tree or hail.

Collision insurance covers accidents and collisions. If you lease or finance your vehicle, your lender may require both comprehensive and collision coverage.

Who needs uninsured and underinsured liability insurance?

Below is a list of states that require uninsured or underinsured motorist coverage, according to the Insurance Information Institute (III).

Coverage minimums are listed with numbers and slashes. For example, a 50/100/50 policy would cover up to $50,000 of injury protection for each person involved in an accident, up to $100,000 worth of injuries per incident, and up to $50,000 of property damages per incident.

State	Coverage	Minimum coverage
Connecticut	Uninsured/Underinsured	25/50/20
D.C.	Uninsured	25/50/10
Illinois	Uninsured/Underinsured	25/50/20
Kentucky	Uninsured/Underinsured	25/50/25
Maine	Uninsured/Underinsured	50/100/25
Maryland	Uninsured/Underinsured	30/60/15
Minnesota	Uninsured/Underinsured	30/60/10
Missouri	Uninsured	25/50/25
Nebraska	Uninsured/Underinsured	25/50/25
New Jersey	Uninsured/Underinsured	15/30/5
New York	Uninsured/Underinsured	25/50/10
North Carolina	Uninsured/Underinsured	30/60/25
North Dakota	Uninsured/Underinsured	25/50/25
Oregon	Uninsured/Underinsured	25/50/20
South Carolina	Uninsured/Underinsured	25/50/25
South Dakota	Uninsured/Underinsured	25/50/25
Vermont	Uninsured/Underinsured	25/50/10
Virginia	Uninsured/Underinsured	25/50/20
West Virginia	Uninsured/Underinsured	25/50/25
Wisconsin	Uninsured	25/50/10

How much does uninsured motorist insurance cost?

The cost of liability coverage varies depending on your state, as some states require more coverage than others. Dietry said uninsured and underinsured motorist coverage is more expensive in states with high uninsured rates.

Remember, your average cost will vary based on the type of vehicle, your location, mileage, and driving record. The table below shows the average annual liability insurance cost by state, according to the Insurance Information Institute.

State	Liability
Alabama	$511.13
Alaska	$576.09
Arizona	$646.75
Arkansas	$486.72
California	$616.51
Colorado	$687.40
Connecticut	$784.70
Delaware	$900.32
D.C.	$809.41
Florida	$1,009.94
Georgia	$797.80
Hawaii	$479.27
Idaho	$425.89
Illinois	$515.94
Indiana	$442.69
Iowa	$348.87
Kansas	$421.78
Kentucky	$611.54
Louisiana	$1,015.36
Maine	$374.59
Maryland	$737.73
Massachusetts	$658.47
Michigan	$952.15
Minnesota	$499.48
Mississippi	$538.35
Missouri	$520.45
Montana	$435.81
Nebraska	$429.35
Nevada	$900.40
New Hampshire	$436.76
New Jersey	$955.93
New Mexico	$576.81
New York	$920.25
North Carolina	$391.29
North Dakota	$307.97
Ohio	$448.59
Oklahoma	$508.89
Oregon	$689.74
Pennsylvania	$555.42
Rhode Island	$885.33
South Carolina	$702.37
South Dakota	$333.44
Tennessee	$477.07
Texas	$659.47
Utah	$601.77
Vermont	$376.99
Virginia	$492.68
Washington	$689.18
West Virginia	$521.74
Wisconsin	$422.28
Wyoming	$356.25

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