Uninsured drivers add an extra €35 to the price of the average insurance policy, according to the MIBI.
Accident claims for uninsured cars increased by 10% last year.
The Motor Insurers' Bureau of Ireland says there were an extra 187 claims involving uninsured cars in 2023.
In Mayo, there was an increase of 80% which was the largest increase in the country.
Chief Executive, David Fitzgerald says these incidents are driving up costs for everyone.
You can hear more on this story tomorrow morning when David speaks on the Tommy Marren Show.