TOP TEN HIGHEST AND LOWEST STATES BASED ON ESTIMATED PERCENTAGE OF UNINSURED MOTORISTS, 2009 (1)
Rank Highest Percent uninsured Rank Lowest Percent uninsured
1 Mississippi 28.0% 1 Massachusetts 4.5%
2 New Mexico 25.7 2 Maine 4.5
3 Tennessee 23.9 3 New York 5.4
4 Oklahoma 23.9 4 Pennsylvania 6.6
5 Florida 23.5 5 Vermont 7.1
6 Alabama 21.8 6 Nebraska 7.8
7 Michigan 19.5 7 Idaho 7.9
8 Kentucky 17.8 8 Utah 8.2
9 Rhode Island 17.6 9 South Dakota 8.6
10 Indiana 16.3 10 North Dakota 9.1
(1) Percentage of uninsured drivers, as measured by the ratio of uninsured motorists (UM) claims to bodily injury (BI) claims frequencies. Source: Insurance Research Council.