By union strength
| State | Gap | Rank |
|---|---|---|
| AL | .2 | 32 |
| AK | -2.1 | 37 |
| AZ | 3.4 | 1 |
| AR | 2.0 | 4 |
| CA | 4.1 | 46 |
| CO | .3 | 17 |
| CT | 8.6 | 35 |
| DE | -1.4 | 33 |
| DC | 6.0 | 19 |
| FL | 1.1 | 2 |
| GA | 1.7 | 7 |
| HI | -12.5 | 51 |
| ID | -.5 | 16 |
| IL | .3 | 44 |
| IN | 1.0 | 21 |
| IA | 4.1 | 25 |
| KS | 2.4 | 20 |
| KY | 1.1 | 24 |
| LA | .5 | 10 |
| ME | .8 | 30 |
| MD | 9.8 | 29 |
| MA | 8.1 | 31 |
| MI | 2.2 | 36 |
| MN | -.4 | 38 |
| MS | -1.0 | 6 |
| MO | 2.6 | 14 |
| MT | 2.1 | 49 |
| NE | 3.4 | 26 |
| NV | 2.7 | 27 |
| NH | -4.3 | 22 |
| NJ | -5.2 | 45 |
| NM | 2.1 | 15 |
| NY | 3.2 | 43 |
| NC | 4.0 | 12 |
| ND | -1.2 | 28 |
| OH | -3.9 | 40 |
| OK | -1.5 | 9 |
| OR | 2.0 | 50 |
| PA | .3 | 48 |
| RI | 2.0 | 47 |
| SC | 3.9 | 3 |
| SD | 11.3 | 18 |
| TN | .5 | 11 |
| TX | 0.0 | 8 |
| UT | 7.4 | 13 |
| VT | 5.8 | 41 |
| VA | 11.5 | 5 |
| WA | 4.1 | 42 |
| WV | .5 | 39 |
| WI | 1.7 | 34 |
| WY | 1.1 | 23 |