Section 20(1) of the Industrial Relations Act, 1990 provides that within one month after 31st December each year a trade union which is the holder of a negotiation licence shall send to the Minister a statement of the number of its members on the 31st December. Details of the trade unions membership numbers as at 31st December 2018 are in the following table.
Union | Membership at 31st December 2018 |
Association of Higher Civil and Public Servants (AHCPS) | 3,200 |
Association of Secondary Teachers of Ireland (ASTI) | 16,849 |
Forsa (The Civil Public and Services Union (CPSU), Public Service Executive Union (PSEU) and the Irish Municipal, Public and Civil Trade Union (IMPACT) merged on 1 January 2018 to form Forsa). | 79,570 |
Irish Federation of University Teachers (IFUT) | 2,469 |
Irish Medical Organisation (IMO) | 5,601 |
Irish Nurses and Midwifes’ Organisation (INMO) | 42,232 |
Irish National Teachers Organisation (INTO) | 38,545 |
Medical Laboratories Staff Association (MLSA) | 1,565 |
Prison Officers Association (POA) | 3,024 |
Operative Plasterers and Allied Trades Society of Ireland (OPATSI) | 916 |
Services, Industrial, Professional and Technical Union (SIPTU). | 202,787 |
Connect The Technical Engineering and Electrical Union (TEEU) merged with UCATT on 1 January 2017 to form Connect. | 39,000 |
Teachers’ Union of Ireland (TUI) | 18,352 |
UNITE | 21,440 |
Veterinary Officers’ Association (VOA) | 266 |
Veterinary Ireland (VI) | 1,134 |