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Trade Unions in 🇪🇸 Spain

Aggregated from the Ministry of Labour and Social Economy, CEOE reports, and 2025 union representative election data.

CCOO

Confederación Sindical de Comisiones Obreras

Trade Union Confederation of Workers' Commissions

One of Spain's two most representative trade unions at national level.

High Left-wing / Pluralist Manufacturing Public Sector +3 more
👥 ~1M members
🏭 5 sectors

UGT

Unión General de Trabajadores

General Union of Workers

A historic social-democratic trade union and co-leader of national representativeness.

High Social Democratic Transport Retail +3 more
👥 ~900K members
🏭 5 sectors

USO

Unión Sindical Obrera

Workers' Trade Union

An independent national union offering an alternative to the major confederations.

High Independent / Pluralist Aviation (Cabin Crew) Security Services +2 more
👥 ~135K members
🏭 4 sectors

SEPLA

Sindicato Español de Pilotos de Líneas Aéreas

Spanish Airline Pilots' Union

A professional union representing a large share of commercial pilots in Spain.

High (Disruptive) Neutral / Professional Aviation (Pilots)
👥 ~7.5K members
🏭 1 sectors

SEMAF

Sindicato Español de Maquinistas Ferroviarios

Spanish Union of Train Drivers

A categorical union representing train drivers in Spain.

High (Disruptive / Sectoral) Neutral / Categorical Rail Transport (Drivers)
👥 ~5.5K members
🏭 1 sectors