| Year of Abolition | U.S. State | % Correct |
|---|---|---|
| 2007 | New York | 95%
|
| 1887 | Maine | 89%
|
| 2018 | Washington | 88%
|
| 1972 | Vermont | 86%
|
| 2019 | New Hampshire | 85%
|
| 1984 | Rhode Island | 83%
|
| 1847 | Michigan | 81%
|
| 2012 | Connecticut | 80%
|
| 1984 | Massachusetts | 80%
|
| 2011 | Illinois | 79%
|
| 2007 | New Jersey | 79%
|
| 2021 | Virginia | 79%
|
| 2013 | Maryland | 78%
|
| 2016 | Delaware | 77%
|
| 1957 | Hawaii | 76%
|
| 1911 | Minnesota | 76%
|
| 1957 | Alaska | 73%
|
| 2020 | Colorado | 73%
|
| 1853 | Wisconsin | 71%
|
| 2009 | New Mexico | 69%
|
| 1965 | Iowa | 67%
|
| 1973 | North Dakota | 61%
|
| 1965 | West Virginia | 59%
|