You cannot take out a life insurance policy on just anyone — the person must have what insurers call insurable interest, and you must have a reasonable expectation that their death would cause you financial harm.
Insurable interest is the legal and financial connection between you and the person whose life you want to insure. Without it, the policy is unenforceable, and the insurer will not pay out. The rule exists to prevent life insurance from becoming a bet on someone's death — a perverse incentive to harm them.
In practice, insurable interest means you can insure yourself, your spouse, your children, your business partner, or a key employee whose work directly supports your income. You cannot insure a stranger, a distant relative you have never supported, or someone you have no financial relationship with, no matter how much you want to.
Key Takeaways
- You have automatic insurable interest in yourself, your spouse, and your minor children, and insurers will not question these relationships.
- You can insure adult children, parents, or business partners, but the insurer will ask you to explain the financial connection and may require their consent in writing.
- Most insurers require the person being insured to know about the policy and sign consent forms, though rules vary by state.
- If you cannot establish insurable interest, the insurer will deny the claim when the person dies, even if you paid premiums for years.
- Some states require the person being insured to sign the application themselves; others allow a spouse or business partner to sign on their behalf.
Who automatically has insurable interest
You have insurable interest in yourself without question — anyone can buy a life insurance policy on their own life. Insurers assume you will not kill yourself to collect the payout, and the law treats self-insurance as a straightforward financial decision.
You also have automatic insurable interest in your spouse. Marriage creates a legal and financial entanglement: shared property, potential inheritance, and mutual financial obligations. An insurer will not ask you to prove this connection.
Your minor children fall into the same category. Parents have a legal duty to support their children, so the death of a child creates a genuine financial loss — funeral costs, lost income if a parent must leave work to grieve, and the loss of the child's potential future earnings if they were old enough to contribute to the household. Insurers recognize this without requiring proof.
When you need to prove the connection
If you want to insure an adult child, a parent, a sibling, or a business partner, the insurer will ask you to explain why their death would harm you financially. You will need to show the relationship and describe the money at stake.
For an adult child you support financially, you might show bank statements proving regular transfers, or a lease showing you pay their rent. For a parent whose care you fund, you might provide receipts for medical bills or assisted living fees. For a business partner, you would show the partnership agreement and explain how their death would disrupt revenue or leave you liable for their debts.
The insurer may also require the person being insured to sign a consent form acknowledging that you are taking out the policy. This is not always required by law — it depends on your state — but most major insurers do it anyway to protect themselves from later disputes.
Consent and disclosure requirements by state
Most states require the person being insured to know about the policy and consent to it in writing. A few states go further and require that person to sign the application themselves, not just a consent form after the fact.
New York, for example, requires the person being insured to sign the application. California requires written consent but does not require them to sign the application itself. Other states have no specific statute but allow insurers to set their own rules, and most choose to require consent anyway.
The practical effect is the same in most cases: you cannot secretly take out a policy on someone without their knowledge. If you try, and they die, the insurer will investigate. If they find that the person did not consent, they will deny the claim and may cancel the policy retroactively.
The one exception is a spouse in some states, where one spouse can take out a policy on the other without their prior knowledge, though the insurer will still send notices to the insured person's address. This rule exists because spouses have such clear insurable interest, but it is narrowing — many states and insurers now require spousal consent even in these cases.
What happens if you lack insurable interest
If you take out a policy on someone and the insurer later determines you had no insurable interest, the claim will be denied when that person dies. You will have paid premiums for months or years and received nothing.
The insurer may also cancel the policy retroactively, meaning they will refund your premiums but treat the policy as if it never existed. In rare cases, if the insurer suspects fraud — that you took out the policy with intent to harm the person — they may report you to law enforcement.
Insurable interest is checked at the time you take out the policy, not at the time of death. If you had a valid reason to insure someone when you bought the policy, but that reason disappears later (for example, you divorce your spouse, or your business partner leaves the company), the policy remains valid. You can still collect the death benefit.
Insurable interest in business contexts
Business owners often take out life insurance on key employees or business partners. This is called key person insurance or key employee insurance, and it is one of the clearest examples of legitimate insurable interest outside the family.
If your business depends on one person's skills, relationships, or knowledge, their death would cause your company direct financial loss: lost revenue, the cost of hiring and training a replacement, or the cost of buying out their share of the business. An insurer will recognize this as insurable interest if you can show the connection between that person's work and your company's income.
You will need to provide the business partnership agreement or employment contract, and the person being insured must consent in writing. Some insurers will also require a letter from an accountant or business advisor explaining why this person is key to the business.
Insurable interest in loans and debt
A lender can take out life insurance on a borrower to protect against default if the borrower dies. This is called credit life insurance, and it is a standard product for mortgages, car loans, and business loans.
The lender's insurable interest is clear: if the borrower dies and the loan is unpaid, the lender loses money. The death benefit pays off the remaining balance. The borrower must consent, and the policy is usually optional — the lender cannot force you to buy it as a condition of the loan, though they can require it in some cases.
Credit life insurance is often more expensive than term life insurance you would buy on your own, so it is worth comparing costs before you agree to it.
Frequently Asked Questions
Can I take out life insurance on my ex-spouse?
No, not after the divorce is final. Insurable interest must exist at the time you take out the policy. Once you divorce, you no longer have a financial connection to your ex-spouse unless you are obligated to pay alimony or child support. Even then, most insurers will not write a policy on an ex-spouse because the relationship is adversarial. If you have an existing policy on your ex, it remains valid, but you cannot take out a new one.
What if the person being insured does not want the policy?
If they refuse to consent, the insurer will not issue the policy. If you forge their signature or misrepresent their consent, the policy is void and the claim will be denied. In some cases, forging consent can be prosecuted as fraud. Always get written consent from the person being insured before you submit the application.
Can I take out life insurance on my adult sibling?
You can try, but the insurer will ask you to prove insurable interest. If you support your sibling financially, or if you are jointly responsible for a parent's care, you may have a valid claim. You will need to provide documentation of the financial connection and get your sibling's written consent. If you have no financial relationship with them, the insurer will deny the application.
Does the person being insured have to be in good health?
The person being insured must undergo medical underwriting, just like anyone applying for life insurance. The insurer will ask about their health history, current medications, and lifestyle. If they have serious health conditions, the premiums will be higher or the insurer may deny the application. You cannot take out a policy on someone in poor health and expect low rates just because you have insurable interest.
What if I take out a policy on someone and they die within two years?
Most life insurance policies have a contestability period of two years from the date the policy is issued. During this time, the insurer can investigate the claim and deny it if they find material misrepresentation — for example, if you lied about the person's health or if you lacked insurable interest. After two years, the insurer generally cannot contest the claim, even if they later discover problems with the application.