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Percentage of public school teachers who indicated that they were members of a union or an employee association similar to a union, by state: 2017–18

State Member of a union or
employee association
 
United States 69.4  
   
Alabama 73.0  
Alaska 86.0  
Arizona 31.0  
Arkansas 26.1  
California 90.7  
   
Colorado 57.2  
Connecticut 97.0  
Delaware 89.2  
District of Columbia  
Florida 52.5  
   
Georgia 51.3  
Hawaii 96.6  
Idaho 49.9  
Illinois 96.3  
Indiana 65.4  
   
Iowa 71.0  
Kansas 51.2  
Kentucky 56.7  
Louisiana 51.6  
Maine 77.6  
   
Maryland  
Massachusetts 92.5  
Michigan 84.7  
Minnesota 92.5  
Mississippi 33.9  
   
Missouri 74.1  
Montana 86.3  
Nebraska 77.0  
Nevada 57.6  
New Hampshire 84.1  
   
New Jersey 95.7  
New Mexico 43.4  
New York 97.4  
North Carolina 19.9  
North Dakota 73.6  
   
Ohio 91.7  
Oklahoma 59.4  
Oregon 93.1  
Pennsylvania 92.2  
Rhode Island 88.9  
   
South Carolina 23.0  
South Dakota 41.8  
Tennessee 43.5  
Texas 51.4  
Utah 46.9  
   
Vermont 93.6  
Virginia 43.3  
Washington 96.7  
West Virginia 73.9  
Wisconsin 48.0  
Wyoming 49.7  
‡ Reporting standards not met. The response rate is below 50 percent.
SOURCE: U.S. Department of Education, National Center for Education Statistics, National Teacher and Principal Survey (NTPS), "Public School Teacher Data File," 2017–18.

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