| State | Date Admitted | % Correct |
|---|---|---|
| Alaska | 1959 | 95%
|
| Hawaii | 1959 | 95%
|
| North Dakota | 1889 | 95%
|
| Washington | 1889 | 95%
|
| Arizona | 1912 | 94%
|
| South Dakota | 1889 | 94%
|
| New Mexico | 1912 | 92%
|
| Colorado | 1876 | 91%
|
| Idaho | 1890 | 88%
|
| Montana | 1889 | 88%
|
| Nebraska | 1867 | 87%
|
| Wyoming | 1890 | 87%
|
| Oklahoma | 1907 | 86%
|
| Utah | 1896 | 86%
|
| Nevada | 1864 | 82%
|
| West Virginia | 1863 | 60%
|