By collective bargaining coverage
| State | Share | Rate |
|---|---|---|
| AL | 95.8% | 64.2% |
| AK | 93.3 | 91.2 |
| AZ | 82.9 | 47.0 |
| AR | 92.7 | 28.4 |
| CA | 88.5 | 89.1 |
| CO | 84.7 | 66.8 |
| CT | 89.4 | 89.6 |
| DE | 94.9 | 79.5 |
| DC | 62.7 | 68.0 |
| FL | 91.8 | 57.4 |
| GA | 93.5 | 31.3 |
| HI | 86.1 | 87.6 |
| ID | 95.6 | 57.0 |
| IL | 98.2 | 89.4 |
| IN | 97.3 | 80.5 |
| IA | 91.6 | 78.1 |
| KS | 97.0 | 69.6 |
| KY | 93.2 | 56.2 |
| LA | 88.5 | 35.4 |
| ME | 93.9 | 86.6 |
| MD | 94.2 | 81.7 |
| MA | 89.3 | 94.6 |
| MI | 94.1 | 91.9 |
| MN | 95.6 | 90.5 |
| MS | 91.9 | 29.8 |
| MO | 95.3 | 54.1 |
| MT | 95.1 | 85.5 |
| NE | 98.0 | 73.4 |
| NV | 87.9 | 70.0 |
| NH | 95.7 | 84.5 |
| NJ | 94.8 | 89.5 |
| NM | 93.0 | 55.4 |
| NY | 89.3 | 92.5 |
| NC | 83.4 | 23.8 |
| ND | 93.5 | 69.3 |
| OH | 91.7 | 85.7 |
| OK | 92.9 | 49.7 |
| OR | 93.3 | 91.2 |
| PA | 93.8 | 91.1 |
| RI | 99.2 | 92.4 |
| SC | 90.9 | 26.9 |
| SD | 96.9 | 43.5 |
| TN | 93.3 | 43.1 |
| TX | 93.1 | 41.2 |
| UT | 91.8 | 56.5 |
| VT | 96.0 | 87.6 |
| VA | 88.9 | 36.0 |
| WA | 93.3 | 86.3 |
| WV | 94.3 | 65.2 |
| WI | 93.2 | 86.1 |
| WY | 97.2 | 42.6 |