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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.