National Labor Organizations

Information about National Labor Organizations whose members total 100,000 or more.
6 |
7 |
8 |

Organizations with Membership Over 100,000

MembersUnion12,731,419National Education Associationof the United States21,505,100Service Employees International Union31,459,511American Federation of State, County, and Municipal Employees1,396,174International Brotherhood ofTeamsters31,311,548United Food and Commercial Workers International Union828,512American Federation of Teachers754,978United Steelworkers of America704,794International Brotherhood of Electrical Workers669,772Laborers' International Union of North America653,781International Association of Machinists and Aerospace Workers557,099International Union, United Automobile, Aerospace, and Agricultural Implement Workers of America545,638Communications Workers of America522,416United Brotherhood of Carpenters and Joiners of America2455,346Union of Needletrades, Industrial, and Textile Employees424,579Longshore and Warehouse Union392,584International Union of Operating Engineers361,362Maritime Trades324,043United Association of Journeymen and Apprentices of the Plumbing and Pipe-Fitting Industry of the U.S. and Canada292,221National Association of Letter Carriers286,700American Postal Workers Union271,463International Association of Fire Fighters269,204National Postal Mail Handlers Union245,011Paper, Allied-Industrial, and Chemical International Union226,975American Federation of Government Employees180,598Amalgamated Transit Union152,294American Nurses Association2148,806Sheet Metal Workers International Association127,278International Brotherhood of Painters and Allied Trades125,437International Association of Bridge, Structural, Ornamental, and Reinforcing Iron Workers125,398Transport Workers Union of America125,000Building and Construction Trades111,851American Association of Classified School Employees2105,460The National Rural Letter Carriers' Association2
1. Unless otherwise noted, unions are AFL-CIO affiliated.
2. Not AFL-CIO affiliated.
3. Severed ties with the AFL-CIO in July 2005.
Source: U.S. Department of Labor.
loading gif