States with Teacher Unions 2025
% of Public School Teachers in Union 2017-18
20%
40%
60%
80%
100%
State | % of Public School Teachers in Union 2017-18↓ | Teacher's Union Rank (1=Strongest) | Union Strength Tier | |
|---|---|---|---|---|
 | New York | 97.4% | 9 | Strongest |
 | Connecticut | 97% | 17 | Strong |
 | Washington | 96.7% | 10 | Strongest |
 | Hawaii | 96.6% | 1 | Strongest |
 | Illinois | 96.3% | 8 | Strongest |
 | New Jersey | 95.7% | 7 | Strongest |
 | Vermont | 93.6% | 11 | Strong |
 | Oregon | 93.1% | 2 | Strongest |
 | Massachusetts | 92.5% | 21 | Average |
 | Minnesota | 92.5% | 14 | Strong |
 | Pennsylvania | 92.2% | 4 | Strongest |
 | Ohio | 91.7% | 12 | Strong |
 | California | 90.7% | 6 | Strongest |
 | Delaware | 89.2% | 19 | Strong |
 | Rhode Island | 88.9% | 5 | Strongest |
 | Montana | 86.3% | 3 | Strongest |
 | Alaska | 86% | 15 | Strong |
 | Michigan | 84.7% | 16 | Strong |
 | New Hampshire | 84.1% | 30 | Average |
 | Maine | 77.6% | 22 | Average |
 | Nebraska | 77% | 26 | Average |
 | Missouri | 74.1% | 38 | Weak |
 | West Virginia | 73.9% | 13 | Strong |
 | North Dakota | 73.6% | 24 | Average |
 | Alabama | 73% | 20 | Strong |
 | Iowa | 71% | 27 | Average |
 | Indiana | 65.4% | 31 | Average |
 | Oklahoma | 59.4% | 43 | Weakest |
 | Nevada | 57.6% | 25 | Average |
 | Colorado | 57.2% | 35 | Weak |
 | Kentucky | 56.7% | 28 | Average |
 | Florida | 52.5% | 50 | Weakest |
 | Louisiana | 51.6% | 42 | Weakest |
 | Texas | 51.4% | 44 | Weakest |
 | Georgia | 51.3% | 45 | Weakest |
 | Kansas | 51.2% | 32 | Weak |
 | Idaho | 49.9% | 36 | Weak |
 | Wyoming | 49.7% | 29 | Average |
 | Wisconsin | 48% | 18 | Strong |
 | Utah | 46.9% | 39 | Weak |
 | Tennessee | 43.5% | 41 | Weak |
 | New Mexico | 43.4% | 37 | Weak |
 | Virginia | 43.3% | 47 | Weakest |
 | South Dakota | 41.8% | 34 | Weak |
 | Mississippi | 33.9% | 46 | Weakest |
 | Arizona | 31% | 51 | Weakest |
 | Arkansas | 26.1% | 48 | Weakest |
 | South Carolina | 23% | 49 | Weakest |
 | North Carolina | 19.9% | 40 | Weak |
 | District of Columbia | 33 | Weak | |
 | Maryland | 23 | Average |
- Teachers Unions exist in every US state. However, the strength of those unions and the percentage of teachers who participate in them varies from state to state.
- Union strength rankings were determined by comparing 37 indicators across five general categories: 1) Resources and Membership, 2) Involvement in Politics, 3) Scope of Bargaining, 4) State Policies, 5) Perceived Influence
