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Updated August 5, 2020 | Infoplease Staff Information
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Based on the average scores on a 20-question driving test commissioned by the GMAC Insurance Company, the most knowledgeable drivers in the U.S. are from Kansas and the least knowledgeable are from the District of Columbia. These figures are from 2011, the last year in which such a national test was issued.

State Rank Average
KS 1 82.9
IA 2 82.2
CO 3 82.0
MN 4 81.6
OR 5 81.3
NE 6 81.3
IN 7 81.3
MO 8 81.3
SD 9 81.2
WY 10 81.2
ID 11 80.8
WI 12 80.8
MT 13 80.6
WA 14 80.5
OK 15 80.5
ME 16 79.6
VT 17 78.8
OH 18 78.6
NM 19 78.6
MI 20 78.3
WV 21 78.2
UT 22 78.1
KY 23 77.9
ND 24 77.8
VA 25 77.7
PA 26 77.7
AR 27 77.5
AZ 28 77.3
TN 29 77.3
AL 30 77.2
DE 31 77.1
SC 32 77.1
TX 33 76.8
CA 34 76.8
CT 35 76.7
NC 36 76.6
FL 37 76.5
NH 38 76.3
LA 39 76.1
AK 40 76.0
IL 41 75.8
NV 42 75.7
GA 43 75.6
RI 44 75.6
NY 45 75.3
MS 46 74.8
MA 47 74.6
NJ 48 73.5
MD 49 73.3
HI 50 73.0
DC 51 71.8
 
Source: General Motors Acceptance Corporation (GMAC) Insurance National Drivers Test administered to 5,000 licensed drivers nationwide in 2011.
 
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