TOP TEN HIGHEST AND LOWEST STATES BASED ON ESTIMATED PERCENTAGE OF UNINSURED MOTORISTS, 2007 (1)
Rank Highest Percent uninsured Rank Lowest Percent uninsured
1 New Mexico 29% 1 Massachusetts 1%
2 Mississippi 28 2 Maine 4
3 Alabama 26 3 New York 5
4 Oklahoma 24 4 North Dakota 5
5 Florida 23 5 Vermont 6
6 Tennessee 20 6 Pennsylvania 7
7 Arizona 18 7 South Dakota 7
8 California 18 8 Nebraska 8
9 Michigan 17 9 Utah 8
10 Washington 16 10 West Virginia 8

(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.