The 80/20 insurance rule is a guideline set by the insurance industry that states that insurance companies will only pay out 80% of the claims filed by policyholders, while the policyholders themselves are responsible for the other 20%. This rule is in place to protect the insurance companies from having to pay out too much money in claims, and to ensure that policyholders are aware of their responsibility to pay a portion of their own claims.The 80/20 insurance rule is a guideline set by the insurance industry that states that insurance companies will only pay out 80% of the claims filed by policyholders, while the policyholders themselves are responsible for the other 20%. This rule is in place to protect the insurance companies from having to pay out too much money in claims, and to ensure that policyholders are aware of their responsibility to pay a portion of their own claims.