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Several studies in recent years provide suggestive evidence of disparities in auto insurance
premiums. In 2007, a study in Los Angeles found that auto insurance rates were higher in low-
income and minority neighborhoods, even after accounting for common risk factors cited by
insurance companies in setting premiums.
A decade later, ProPublica issued a report on auto
insurance prices, which found that drivers in predominantly minority ZIP codes were being
charged higher rates, as compared to similar risky drivers in predominantly white areas.
In 2017, the Consumer Federation found that, all else being equal, women over the age of 25 pay
more for auto insurance than men.
In addition, just this year, the Zebra issued a report showing
that on average women now pay more than men in 25 states.
Efforts to reduce auto insurance
rates need to address disparities in pricing in order to achieve meaningful improvements in
affordability.
What can be done? While numerous policy levers to reduce auto rates are typically within the
purview of the states, Congress has expressed interest in curtailing rate-setting practices at the
federal level.
In our report, we called on Michigan to curb the use of non-driving factors in setting rates,
following the model of several other states that already do this.
Prohibiting the use of all factors unrelated to a consumer’s driving record may not be feasible:
insurance companies must be able to develop actuarially sound models. But other states have
struck compromises. California, for example, has established reasonable rate-setting guidelines,
where insurance companies are required to prioritize three factors: driving record, annual miles
driven, and years of driving experience. After these have been taken into account, several other
(optional) factors may be added, such as frequency of claims, age, and address. However
together these cannot carry more weight than the first three.
The use of credit score is not
permitted. In this model, how you drive in the most important thing, you can prove yourself on
the road. Based on a study by the Consumer Federation of America, low-income drivers in U.S.
cities pay 59 percent more for auto insurance than those with higher incomes. In Los Angeles,
this gap is just 9 percent, likely due to these regulations.
Ong, Paul M., and Michael A. Stoll. "Redlining or Risk? A Spatial Analysis of Auto Insurance Rates in Los Angeles." Journal
of Policy Analysis and Management26, no. 4 (September 07, 2007). https://doi.org/10.1002/pam.20287.
Larson, Jeff, Julia Angwin, Lauren Kirchner, Surya Mattu, Dina Haner, Michael Saccucci, Keith Newsom-Stewart, Andrew
Cohen, and Martin Romm. "How We Examined Racial Discrimination in Auto Insurance Prices." ProPublica. March 09, 2019.
Accessed April 26, 2019. https://www.propublica.org/article/minority-neighborhoods-higher-car-insurance-premiums-
methodology.
"What? Women Pay More Than Men for Auto Insurance? (Yup.)." The Pew Charitable Trusts. Accessed April 26, 2019.
https://www.pewtrusts.org/en/research-and-analysis/blogs/stateline/2019/02/11/what-women-pay-more-than-men-for-auto-
insurance.
"Study: Women Now Pay More Than Men for Car Insurance in 25 States | The Zebra." Study: Women Now Pay More Than
Men for Car Insurance in 25 States | The Zebra. Accessed April 26, 2019. https://www.thezebra.com/research/men-women-auto-
insurance-differences-by-state/.
Breitenbach, Sarah. "Some States Take Aim at 'Discriminatory' Auto Insurance Pricing." The Pew Charitable Trusts. Accessed
April 26, 2019. http://www.pewtrusts.org/en/research-and-analysis/blogs/stateline/2015/08/28/some-states-take-aim-at-
discriminatory-auto-insurance-pricing.
If you're poor, you'll pay more for car insurance, study finds. Retrieved from http://www.startribune.com/report-low-income-
drivers-pay-59-percent-more-for-car-insurance/384565011/