Chapter 1: Automobile Insurance 1997 Passenger Vehicles Insured Through Voluntary and Involuntary Plans By State
	While the total number of insured vehicles in the US increased by 3% between 1996 and 1997, the percentage of vehicles insured through state involuntary auto plans decreased by 13%. Based on the percentage of vehicles insured through state involuntary auto plans in 1997, South Carolina has the highest percentage of private passenger cars in assigned risk plans and Ohio has the lowest.
1997 Voluntary and Involuntary Plans By State
State Cars Insured Through Voluntary (Regular) Market Cars Insured Through Assigned (Involuntary) Risk Plans % Insured in Risk Plans Alabama 2,357,481 241 .010 Alaska 296,810 2,217 .741 Arizona 2,583,869 321 .012 Arkansas 1,652,666 261 .016 California 16,608,986 163,784 .976 Colorado 2,567,613 76 .003 Connecticut 2,063,779 10,793 .520 Delaware 463,940 4,311 .921 District of Columbia 174,863 6,933 3.814 Florida 7,944,649 7,075 .089 Georgia 4,954,760 2,595 .052 Hawaii 594,972 16,349 2.674 Idaho 838,570 107 .013 Illinois 6,649,703 2,474 .037 Indiana 3,885,781 196 .005 Iowa 1,989,259 218 .011 Kansas 1,913,462 4,622 .241 Kentucky 2,514,437 869 .035 Louisiana 2,303,409 938 .041 Maine 862,319 708 .082 Maryland 3,065,710 102,510 3.236 Massachusetts 3,353,067 364,232 9.798 Michigan 5,974,848 147,519 2.410 Minnesota 3,069,353 193 .006 Mississippi 1,306,061 1,698 .130 Missouri 3,381,695 2,034 .060 Montana 618,990 447 .072 Nebraska 1,217,892 297 .024 Nevada 1,069,873 327 .031 New Hampshire 793,010 3,432 .431 New Jersey 4,497,272 129,271 2.794 New Mexico 1,005,325 751 .075 New York 7,830,062 662,191 7.798 North Carolina 4,077,273 1,277,275 23.854 North Dakota 511,361 31 .006 Ohio 7,132,333 16 .000 Oklahoma 2,186,714 2,514 115 Oregon 2,164,803 87 .004 Pennsylvania 7,295,465 102,504 1.386 Rhode Island 553,723 22,264 3.865 South Carolina 1,713,807 760,578 0.738 South Dakota 528,928 51 .010 Tennessee 3,186,214 1,842 .058 Texas 7,873,229 NA NA Utah 1,275,755 10 .001 Vermont 405,831 4,519 1.101 Virginia 4,612,764 26,216 .565 Washington 3,502,779 141 .004 West Virginia 1,109,629 1,291 .116 Wisconsin 3,231,421 138 .004 Wyoming 397,820 27 .007 National 152,164,335 3,839,494 2.461%
NA = Not available Sources: Automobile Insurance Plan Service Office, reprinted from Insurance Information Institute Fact Book 2000