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Communist International (Коммунистический интернационал)
The Communist International (Коммунистический интернационал), or Comintern and Third International, was a Moscow-founded international of communist parties (1919–1943), led via the ECCI, marked by the Twenty-One Conditions, Third Period, Popular Front, and 1943 dissolution.
Communist party
Communist party: Leninist-Marxist political party, organized on democratic centralism, spread via the 1919 Comintern; 24 of 162 countries were ruled by such parties in 1985, and five Marxist-Leninist ruling parties remain today.
Communist Party (Bolsheviks) of Ukraine
The Communist Party (Bolsheviks) of Ukraine, also called KP(b)U, was the Bolshevik party founded in 1918 that governed Soviet Ukraine from 1919 until it became the Communist Party of Ukraine in 1952.
Communist Party (Sweden)
Sveriges Kommunistiska Parti (SKP), Communist Party of Sweden, a revolutionary Marxist-Leninist party founded in 1917 from the Social Democratic left; renamed Vänsterpartiet Kommunisterna in 1967, name restored in 1995; opposes EU and NATO membership.
Communist Party of Argentina
The Communist Party of Argentina (Partido Comunista de la Argentina, PCA) is an Argentine communist political party founded in Buenos Aires in 1918, one of the oldest parties of the Argentine left.
Communist Party of Australia (1971)
Communist Party of Australia (1971): the party founded in Sydney on 4-5 December 1971 as the Socialist Party of Australia by pro-Soviet members of the original CPA, renamed Communist Party of Australia in October 1996.
Communist Party of Britain
Communist Party of Britain (CPB), also called the Communist Party, a Marxist-Leninist party founded in 1988 as a split from the CPGB; programme Britain's Road to Socialism; youth wing YCL; linked to the Morning Star.
Communist Party of Burma
The Communist Party of Burma (CPB), also known as the Burma Communist Party, is an underground party founded in 1939, with Aung San as its first general secretary.
Communist Party of Byelorussia
The Communist Party of Byelorussia (Kamunistschnaya partyja Belarusi) was the ruling communist party of the Byelorussian SSR from 1918 to 1991, banned in August 1991.
Communist Party of Canada
Communist Party of Canada (Parti communiste du Canada), Marxist-Leninist federal party founded illegally in May 1921 near Guelph, Ontario; banned 1931 under Section 98, led by Tim Buck 1929–64, registered federally since 1979.
Communist Party of Chile
The Communist Party of Chile (Partido Comunista de Chile, PCCh) is a Chilean political party founded in 1912 by nitrate-worker organizer Luis Emilio Recabarren, and part of Salvador Allende's Unidad Popular government.
Communist Party of Cuba
Communist Party of Cuba (PCC, Partido Comunista de Cuba), Cuba's only legal political party, founded October 3, 1965; about 700,000 members; led by Miguel Díaz-Canel since 2021 after Fidel and Raúl Castro.
Communist Party of El Salvador
The Communist Party of El Salvador (Partido Comunista Salvadoreño, PCS) was a Marxist-Leninist party founded in March 1930, which joined the FMLN in 1980 during the civil war.
Communist Party of Estonia
The Communist Party of Estonia (Eestimaa Kommunistlik Partei, EKP) was a communist party founded in Tallinn in 1920, illegal in independent Estonia, which ruled Soviet Estonia under Moscow's supervision from 1944.
Communist Party of Germany
Communist Party of Germany (Kommunistische Partei Deutschlands, KPD), Marxist-revolutionary party founded by the Spartacus League in December 1918; Weimar Reichstag third-largest party by 1930, suppressed in 1933, merged into the SED in 1946.
Communist Party of Great Britain
The Communist Party of Great Britain (CPGB), founded July 31, 1920, was Britain's Comintern section and main communist party until its dissolution at the end of 1991; its intellectual successor, the Communist Party of Britain, dates from 1988.
Communist Party of Greece (Κομμουνιστικό Κόμμα Ελλάδας)
Communist Party of Greece (KKE, Κομμουνιστικό Κόμμα Ελλάδας), Marxist-Leninist Greek party outside the EP groups. Held its 22nd Congress in January 2026; calls for Greece's exit from NATO and the EU; initiated the IMCWP.
Communist Party of India
Communist Party of India (CPI), founded 26 December 1925 in Kanpur, is India's oldest communist party; it split in 1964 when CPI(M) broke away, and lost national-party recognition in April 2023.
Communist Party of India (Maoist)
The Communist Party of India (Maoist), or CPI Maoist, is an underground Maoist armed group in India, formed in 2004 and banned as a terrorist organization.
Communist Party of India (Marxist–Leninist)
The Communist Party of India (Marxist–Leninist), or CPI(ML), is an Indian communist group whose members are called Naxalites, established in 1969 following a break from the CPI(M).
Communist Party of India (Marxist–Leninist) Liberation
CPI(ML) Liberation, an Indian communist party founded 22 April 1969 from the Naxalbari uprising, reorganised 1974 and named after its organ Liberation; Marxist-Leninist, Bihar-based, led by Dipankar Bhattacharya.
Communist Party of India (Marxist)
The Communist Party of India (Marxist), commonly the CPI(M), is a communist political party in India founded in 1964 after a split from the Communist Party of India.
Communist Party of India (Marxist) – West Bengal
CPI(M) West Bengal state committee (ভারতের কমিউনিস্ট পার্টি (মার্কসবাদী) – পশ্চিমবঙ্গ), Alimuddin Street, Kolkata; led the Left Front's 34-year rule 1977–2011, defeated by Trinamool in 2011, now 1/294 assembly seats.
Communist Party of Indonesia
Partai Komunis Indonesia (PKI), Indonesian Communist Party, founded 1920 in the Dutch East Indies; fourth party in the 1955 election, three million members by 1965, destroyed in the 1965-66 killings and dissolved in 1966.
Communist Party of Kampuchea
The Communist Party of Kampuchea (CPK), the Khmer Rouge party, secretly ruled Democratic Kampuchea 1975-1979 under Pol Pot; its policies killed an estimated 1.5-2 million people before Vietnam's invasion ended its rule in January 1979.
Communist Party of Kazakhstan
The Communist Party of Kazakhstan (Kazakh: Қазақстан коммунистік партиясы) was the branch of the Soviet Communist Party that ruled the Kazakh SSR from 1937 until September 1991.
Communist Party of Kirghizia
The Communist Party of Kirghizia (Коммунистическая партия Киргизии) was the republican branch of the Soviet Communist Party that ruled the Kirghiz SSR from 1937 until its abolition in August 1991.
Communist Party of Latvia
The Communist Party of Latvia (Latvijas Komunistiskā partija, LKP) was the communist party of Latvia from 1919, ruling the Latvian SSR until its split in 1990 and 1991 ban.
Communist Party of Nepal (Maoist Centre)
Communist Party of Nepal (Maoist Centre), नेपाल कम्युनिष्ट पार्टी (माओवादी केन्द्र), is Prachanda's Nepali communist party: founded 1994, fought the 1996–2006 People's War, now holds 32 of 275 House seats after mergers and a 2021 court revival.
Communist Party of Nepal (Unified Marxist–Leninist)
Communist Party of Nepal (Unified Marxist–Leninist), CPN-UML (नेपाल कम्युनिष्ट पार्टी (एकीकृत माक्र्सवादी–लेनिनवादी)), major Nepali communist party led by KP Sharma Oli; symbol Sun; ideology Marxism-Leninism and People's Multi-Party Democracy; won 121 HoR seats in 2017, 78 in 2022.