As of 2022/23, the biggest Trade Union in the United Kingdom was UNISON, which had just over 1.37 million members, with Unite the Union being the second-largest trade union, at over 1.24 million members.
Number of trade union members in the United Kingdom as of 2022/23, by trade union
Characteristic
Number of members
UNISON: The Public Service Union
1,376,696
Unite the Union*
1,246,129
GMB
570,107
Royal College of Nursing of the United Kingdom
538,982
National Education Union
497,400
Union of Shop Distributive and Allied Workers
356,652
National Association of Schoolmasters Union of Women Teachers
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Trades Union Certification Officer. (November 5, 2024). Number of trade union members in the United Kingdom as of 2022/23, by trade union [Graph]. In Statista. Retrieved May 12, 2025, from https://www.statista.com/statistics/285256/union-membership-in-the-united-kingdom-uk-by-union/
Trades Union Certification Officer. "Number of trade union members in the United Kingdom as of 2022/23, by trade union." Chart. November 5, 2024. Statista. Accessed May 12, 2025. https://www.statista.com/statistics/285256/union-membership-in-the-united-kingdom-uk-by-union/
Trades Union Certification Officer. (2024). Number of trade union members in the United Kingdom as of 2022/23, by trade union. Statista. Statista Inc.. Accessed: May 12, 2025. https://www.statista.com/statistics/285256/union-membership-in-the-united-kingdom-uk-by-union/
Trades Union Certification Officer. "Number of Trade Union Members in The United Kingdom as of 2022/23, by Trade Union." Statista, Statista Inc., 5 Nov 2024, https://www.statista.com/statistics/285256/union-membership-in-the-united-kingdom-uk-by-union/
Trades Union Certification Officer, Number of trade union members in the United Kingdom as of 2022/23, by trade union Statista, https://www.statista.com/statistics/285256/union-membership-in-the-united-kingdom-uk-by-union/ (last visited May 12, 2025)
Number of trade union members in the United Kingdom as of 2022/23, by trade union [Graph], Trades Union Certification Officer, November 5, 2024. [Online]. Available: https://www.statista.com/statistics/285256/union-membership-in-the-united-kingdom-uk-by-union/
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