From the Department of Labor: Unemployment Insurance (UI) Improper Payments

State List — Improper Payment Rate

http://www.dol.gov/dol/maps/statelist.htm

Alabama — 16.05%
Alaska — 11.80%
Arkansas — 11.68%
Arizona — 19.85%
California — 6.51%
Colordao — 17.63%
Connecticut — 5.06%
District of Columbia — 9.28%
Delaware — 10.31%
Florida — 6.86%
Georgia — 6.97%
Hawaii — 5.56%
Iowa — 12.92%
Idaho — 9.28%
Illinois — 12.79%
Indiana — 43.56%
Kansas — 5.82%
Kentucky — 4.39%
Louisiana — 43.63%
Massachusetts — 5.06%
Maryland — 9.00%
Maine — 13.09%
Michigan — 8.81%
Minnesota — 7.92%
Missouri — 7.78%
Mississippi — 14.43%
Montana — 9.12%
North Carolina — 8.86%
North Dakota — 8.72%
Nebraska — 15.85%
New Hampshire — 5.64%
New Jersey — 12.93%
New Mexico — 27.01%
Nevada — 9.89%
New York — 8.26%
Ohio — 16.38%
Oklahoma — 5.77%
Oregon — 12.23%
Pennsylvania — 10.50%
Puerto Rico — 9.76%
Rhode Island — 6.07%
South Carolina — 17.92%
South Dakota — 12.23%
Tennessee — 14.49%
Texas — 12.62%
Utah — 10.25%
Virginia — 17.69%
Vermont — 4.55%
Washington — 14.13%
Wisconsin — 12.46%
West Virginia — 7.22%
Wyoming — 11.93%