Leftist Parties of the World

Trotskyist Parties

Last update: November 27, 2005


Committee for a Workers International (CWI)

Committee of International Rapprochement

Communist Organization for the Fourth International  (COFI)

Coordinating Committee for the Refoundation of the Fourth International (CRFI)
Tendency aound the Argentinian Workers Party (Partido Oberero, PO)

International Bolshevik Tendency (IBT)

International Center of Orthodox Trotskyism (Centro Internacional del Trotskismo Ortodoxo - IV Internacional, CITO)

International Committee of the Fourth International [1] (ICFI[1])

International Committee of the Fourth International [2] (ICFI[2])

International Communist League (Fourth Internationalist) (ICL(FI))

International Liaison Committee for a Workers' International (Entente Internationale des Travailleurs)

International Marxist Tendency
Tendency around the Group publishing Socialist Appeal in Great Britain

International Secretariat of the Fourth International (Secrétariat International de la Quatričme Internationale)

International Socialist Forum (ISF)

International Socialist League (Liga Socialista Internacional, LSI)

International Socialists (IS)
other page

Splits from International Socialists

International Trotskyist Committee for the Political Regeneration of the Fourth International (ITC)

International Trotskyist Labor Tendency (ITLT)

International Trotskyist Opposition (ITO)

International Workers League (Fourth International) (Liga Internacional de los Trabajadores (Quarta Internacional), LIT-CI)

International Workers' Unity (Fourth International) (Unidad Internacional de los Trabajadores (Quarta Internacional), UIT)

Internationalist Communist Union (Union Communiste Internationaliste, UCI)

League for the Fifth International  (LFI)

League for the Fourth International

Liaison Committee for an International Conference of Principled Trotskyists and Revolutionary Internationalist Workers' Organizations

Internationalist Trotskyist Faction - Fourth International (Fracción Trotskista Internacionalista - Cuarta Internacional) updated February 05

Fourth Internationalist Tendency (Tendência Quarta Internacionalista, TQI) updated February 05

Liaison Committee for the Reconstruction of the Fourth International (Comité de Enlace por la Reconstrución de la IV Internacional, CERCI)

Leninist-Trotskyist Tendency (LTT)

Movement (Movimiento)

Permanent Revolution Collective (Collectif Révolution Permanente / Colectivo Revolución Permanente) added February 05

Posadist Fourth International added February 05

Revolutionary Workers Ferment (Fomento Obrero Revolucionario, FOR) other page

Socialism or Barbarism

Socialist Workers Party Tendency
Tendency around the Socialist Workers Party (SWP) of the USA
Periodical Militant

Trotskyist Faction (Estrategia Internacional) (Fracción Trotskista (Estrategia Internacional), FT(EI)), European page

Trotskyist Posadist Fourth International

United Secretariat of the Fourth International (USFI)
Periodicals International Viewpoint, Inprecor, Inprekorr, Inprecor America Latina

Member Organizations

Sympathising Organizations

Organizations including USFI supporters




Socialist Utopia (Utopia Socialista)


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