By collective bargaining coverage
| State | Gap | Rate |
|---|---|---|
| AL | .2 | 64.2 |
| AK | -2.1 | 91.2 |
| AZ | 3.4 | 47.0 |
| AR | 2.0 | 28.4 |
| CA | 4.1 | 89.1 |
| CO | .3 | 66.8 |
| CT | 8.6 | 89.6 |
| DE | -1.4 | 79.5 |
| DC | 6.0 | 68.0 |
| FL | 1.1 | 57.4 |
| GA | 1.7 | 31.3 |
| HI | -12.5 | 87.6 |
| ID | -.5 | 57.0 |
| IL | .3 | 89.4 |
| IN | 1.0 | 80.5 |
| IA | 4.1 | 78.1 |
| KS | 2.4 | 69.6 |
| KY | 1.1 | 56.2 |
| LA | .5 | 35.4 |
| ME | .8 | 86.6 |
| MD | 9.8 | 81.7 |
| MA | 8.1 | 94.6 |
| MI | 2.2 | 91.9 |
| MN | -.4 | 90.5 |
| MS | -1.0 | 29.8 |
| MO | 2.6 | 54.1 |
| MT | 2.1 | 85.5 |
| NE | 3.4 | 73.4 |
| NV | 2.7 | 70.0 |
| NH | -4.3 | 84.5 |
| NJ | -5.2 | 89.5 |
| NM | 2.1 | 55.4 |
| NY | 3.2 | 92.5 |
| NC | 4.0 | 23.8 |
| ND | -1.2 | 69.3 |
| OH | -3.9 | 85.7 |
| OK | -1.5 | 49.7 |
| OR | 2.0 | 91.2 |
| PA | .3 | 91.1 |
| RI | 2.0 | 92.4 |
| SC | 3.9 | 26.9 |
| SD | 11.3 | 43.5 |
| TN | .5 | 43.1 |
| TX | 0.0 | 41.2 |
| UT | 7.4 | 56.5 |
| VT | 5.8 | 87.6 |
| VA | 11.5 | 36.0 |
| WA | 4.1 | 86.3 |
| WV | .5 | 65.2 |
| WI | 1.7 | 86.1 |
| WY | 1.1 | 42.6 |