Largest labor unions by membership

Largest labor unions by membership ranked by member count.

Last updated . Source: Wikidata.

As of 2026-10-12, Italian General Confederation of Labour tops the list with 5,518,774 members.

  1. #1 Italian General Confederation of Labour — 5,518,774 members

    Italian trade union

    The Italian General Confederation of Labour is a national trade union centre in Italy. It was formed by an agreement between socialists, communists, and Christian democrats in the "Pact of Rome" of June 1944. In 1950, socialists and Christian democrats split forming UIL and CISL, and since then the CGIL has been influenced by the Italian Communist Party (PCI) and until recent years by its political heirs: the Democratic Party of the Left (PDS), the Democrats of the Left (DS) and currently the... Read more on Wikipedia.

    Wikidata
  2. #2 IG Metall — 2,274,033 members

    German trade union within the German Trade Union Confederation (DGB)

    IG Metall is the dominant metalworkers' union in Germany, making it the country's largest union as well as Europe's largest industrial union. Analysts of German labor relations consider it a major trend-setter in national bargaining. Read more on Wikipedia.

    Wikidata
  3. #3 Vereinte Dienstleistungsgewerkschaft — 1,955,080 members

    German trade union within the German Trade Union Confederation (DGB)

    Vereinte Dienstleistungsgewerkschaft is a German trade union based in Berlin, Germany. It was established on 19 March 2001 as the result of a merger of five individual unions and is a member of the German Trade Union Confederation (DGB). With around 1.9 million members, Verdi is the second largest German trade union after IG Metall. It currently employs around 3000 members of staff in Germany and has an annual income of approximately 454 million Euros obtained from membership subscriptions. The... Read more on Wikipedia.

    Wikidata
  4. #4 Union of Agricultural Workers of Korea — 1,600,000 members

    North Korean mass organization for agricultural workers

    The Union of Agricultural Workers of Korea is a trade union and mass organization for agricultural workers in North Korea. It is one of the most important mass organizations in the country. UAWK was founded in 1946 and reformed in 1965 along the lines of North Korean leader Kim Il Sung's landmark Theses on the Socialist Rural Question in Our Country. The organization is directly controlled by the Central Committee of the ruling Workers' Party of Korea. Read more on Wikipedia.

    Wikidata
  5. #5 Confederation of Turkish Trade Unions — 1,260,109 members

    national trade union center in Turkey

    The Confederation of Turkish Trade Unions, known as TÜRK-İŞ, is a national trade union centre in Turkey. It was established in Ankara on 31 July 1952. The oldest of the country's workers' confederations, it has been based historically on unions of public sector workers. In July 2026 its thirty-two affiliated unions had 1,260,109 members between them, 51.8 per cent of all union members in Turkey. It is affiliated to the International Trade Union Confederation and the European Trade Union... Read more on Wikipedia.

    Wikidata
  6. #6 Unión General de Trabajadores — 1,242,200 members

    Spanish trade union

    The Unión General de Trabajadores is a major Spanish trade union, historically affiliated with the Spanish Socialist Workers' Party (PSOE). Read more on Wikipedia.

    Wikidata
  7. #7 Tunisian General Labour Union — 750,000 members

    Tunisian trade union

    The Tunisian General Labour Union is a national trade union center in Tunisia. It has a membership of more than one million and was founded on January 20, 1946. Read more on Wikipedia.

    Wikidata
  8. #8 National Union of Public Employees — 693,100 members

    British trade union

    The National Union of Public Employees (NUPE) was a British trade union which existed between 1908 and 1993. It represented public sector workers in local government, the Health Service, universities, and water authorities. Read more on Wikipedia.

    Wikidata
  9. #9 IG Bergbau, Chemie, Energie — 651,000 members

    German trade union

    The IG Bergbau, Chemie, Energie is a trade union in Germany. It is one of eight industrial affiliates of the German Confederation of Trade Unions (DGB). Read more on Wikipedia.

    Wikidata
  10. #10 Labour Progressive Federation — 611,506 members

    political party Labour wing in India

    The Labour Progressive Federation is a trade union federation in Tamil Nadu, India. The LPF is politically attached to the Tamil Nadu party Dravida Munnetra Kazhagam. Read more on Wikipedia.

    Wikidata