Insurers commonly consider driving record, vehicle, and location alongside a consumer's credit-based insurance score when setting rates. A report by the Federal Trade Commission found that credit-based insurance scores are predictive of future claims, and many insurers treat lower scores as an indicator of higher expected loss. The purpose is risk classification: insurers use statistical relationships between credit-derived variables and past claims to estimate future risk and set premiums accordingly.
How scores influence premiums
Credit-based scores are not the same as FICO mortgage scores; they are built and weighted differently to predict insurance loss. Research from the Insurance Research Council shows a consistent correlation between lower credit-based scores and higher loss ratios, which helps explain why underwriting and pricing models often assign higher premiums to drivers with poorer scores. States vary in how heavily scores can be used; some allow broad use in both quoting and renewal, while others restrict the factor’s weight. This means two identical drivers in different states can face different outcomes for the same score.
Equity, causes, and consequences
The causes of the correlation are complex: payment history, outstanding debt, and certain public records can drive score changes, but these factors also reflect larger socioeconomic conditions. Consequences include disproportionate impacts on low-income households and communities that have experienced historical disinvestment. Regulators and consumer advocates, documented by the National Association of Insurance Commissioners, debate whether credit-based pricing tilts unfairly against vulnerable groups and whether alternative models could preserve actuarial accuracy without amplifying disparities. Some states, including California and Massachusetts, restrict or prohibit the use of credit history in auto insurance to address fairness concerns.
For consumers, the practical relevance is clear: improving credit-related behaviors and correcting errors on credit reports can lower the insurance cost signal sent to insurers. The Federal Trade Commission and consumer protection groups recommend checking credit reports, disputing inaccuracies, and asking insurers how much weight they assign to credit-based insurance scores. Even where scoring is permitted, underwriting practices and discounts differ by company, so shopping and comparison remain effective tools.