North America •
: •
: • The
Progressive Conservative Association of Alberta (often referred to
colloquially as the Progressive Conservative Party of Alberta or the Alberta PC Party) formed the provincial government, without interruption, from
1971 until the party's defeat in the
2015 provincial election. At 44 years, this was the longest unbroken run in government for a political party at the provincial or federal level in Canadian history. • In 2017, the Alberta PC Party merged with Alberta's other major centre-right party, the
Wildrose Party, to become the
United Conservative Party (UCP). The UCP has formed the provincial government since
2019, winning their second consecutive election in
2023. •
: • The
Progressive Conservative Party of Ontario (known colloquially as the Ontario PC Party or simply as the "Tories") enjoyed a 43-year unbroken stretch as the party that formed the provincial government from 1943 to 1985. The party in particular was at its most powerful under the
Red Tory principles of premier
Bill Davis from 1971 to 1985; its dominance led the party to be nicknamed "The Big Blue Machine" during this era. • The Ontario PC Party would regain power from 1995 to 2002 under
Blue Tory premier
Mike Harris and his brief successor
Ernie Eves, and has formed the provincial government since
2018 under
Doug Ford, winning elections in
2022 and
2025 as well. •
: • The
Institutional Revolutionary Party (PRI) and its predecessors Partido Nacional Revolucionario (PNR) (1929–1938) and Partido de la Revolución Mexicana (PRM) (1938–1946) in Mexico held the
presidency from
1929 to
2000. The party governed all
states until 1989 and controlled both chambers of
congress until 1997. As of 2023, the PRI has continued an uninterrupted hold of the governorship in one state:
Coahuila. • The
Liberal Party, later known as the National
Porfirist Party, ruled consistently from 1867 to 1911. •
Southern : • After
Reconstruction through the
Jim Crow era, and until the 1990s in non-presidential elections, the South (usually defined as coextensive with the former
Confederacy) was known as the "
Solid South" due to its states' exceptionally reliable support of the
Democratic Party, enabled in part by significant amounts of
voter suppression and outright election subversion during Jim Crow.
Caribbean and Central America • '''''': The
Antigua Labour Party in Antigua and Barbuda, 1960–1971 and 1976–2004. They are currently ruling, but may not be yet considered dominant. • '''''': The
Barbados Labour Party in the
Barbados from 1994 to 2008. They are currently ruling, but may not be yet considered dominant. The
Democratic Labour Party from 1961 to 1976. • '''''': The
Progressive Liberal Party in the
Bahamas from 1967 to 1992 • '''''': The
United Bermuda Party in
Bermuda from 1968 to 1998. • '''''': • The
National Republican Party ruled Costa Rica between 1932 and 1948. • The
National Liberation Party is often referred as the hegemonic or dominant party between 1953 and 1983 as it won most elections, it held the majority in the
Legislative Assembly between 1953 and 1978, held consecutive governments several times and was only defeated in
1958,
1966 and
1978 thanks to the entire right-wing opposition nominating a common candidate in coalition. Only after 1983 with the merge of the
Unity Coalition into the
Social Christian Unity Party Costa Rica started its
two-party system. •
Non-Partisan Liberals dominated Costa Rican presidency from 1846 to 1868. • :
Johnny Araya was the
Mayor of San Jose from 1998 to 2013 and from 2016 to 2024, both times almost entirely as a member of the
National Liberation Party. • '''''': The
Blue Party from 1879 to 1899. The
Dominican Liberation Party from 2004 to 2020. • '''''': • The Liberal Party (PL) held the presidency from 1871 to 1918 (11 elections) • The
National Democratic Party (PDN)
held the presidency from 1918 to 1927 (3 elections) • The
National Pro Patria Party (PNPP) held the presidency from 1933 to 1944 (3 elections) • The
Revolutionary Party of Democratic Unification (PRUD) held the presidency from 1950 to 1960 (2 elections) • The
National Conciliation Party (PCN) held the presidency from 1962 to 1979 (4 elections) • The
Nationalist Republican Alliance (ARENA) held the presidency from 1989 to 2009 (4 elections) • '''''': The
Conservative Party in Guatemala from 1851 and 1871; the
Liberal Party in Guatemala from 1871 and 1920, 1921 and 1926, 1931 and 1944. • '''''': The
National Party in Honduras from 1933 to 1956, and again from 2010 to 2022. • '''''': • The
Partido Liberal Nacionalista of the
Somoza family held effective control from the 1930s to 1979. It was never the sole legal party, but elections were often fraught with accusations of fraud and improbable results. •
Conservative Party ruled from 1857 to 1893 • '''''': The
Popular Democratic Party in
Puerto Rico from 1949 to 1969. • •
Unity Labor Party ruled from 2001 to 2025 • '''''':
People's National Movement ruled from 1956 to 1986.
South America • '''''': • The
National Autonomist Party (PAN) of
Argentina from 1874 to 1916. • The
Federal Party from 1829 to 1852. • '''''': The conservative Liberal Democratic Party ruled the province between 1922 and 1943. The
Justicialist Party has won every gubernatorial election between 1973 and 2019. • '''''':
Neuquén People's Movement has won every gubernatorial election since 1962 and until the
2023 gubernatorial election. • '''''': The Justicialist Party has won every gubernatorial election between 1973 and 2019. • '''''':
Liberal Party ruled from 1899 to 1920. The
Revolutionary Nationalist Movement (MNR) in
Bolivia from 1952 to 1964. •
Movement for Socialism (MAS) from 2006 to 2019 and from 2020 to 2025. •
2020 Bolivian general election:
Luis Arce: 55.10%, won 75 chamber seats and 21 senate seats • '''''': The
National Renewal Alliance Party (ARENA) in Brazil from 1965 to 1979. • : has been dominated by the
Brazilian Social Democracy Party since 1994, until election of
Tarcísio de Freitas in
2022. • '''''': From 1829 to 1871, a successive number of parties (
Pelucones to
Conservative to
National Party) governed Chile. From 1990 to 2010 the
Concertación Coalition hold presidency. • '''''': The
Liberal Party of
Colombia from 1861 to 1886, and later on from 1886 to 1900 as the brief successor party
National Party, and
Colombian Conservative Party from 1900 to 1930 • '''''':
Ecuadorian Radical Liberal Party ruled from 1895 to 1925.
PAIS Alliance ruled from 2007 to 2021. •
: The
People's National Congress from 1964 to 1992. The
People's Progressive Party from 1992 to 2015. • '''''':
Liberal Party from 1912 to 1936 • '''''': The
Colorado Party of
Uruguay, between 1865 and 1959 • '''''':
Conservative Party ruled from 1830 to 1851.
Fifth Republic Movement ruled from 1999 until its merging with the newly created
United Socialist Party of Venezuela in 2007, which has been the ruling party since then.
Europe • '''''': The
Republican Party of Armenia controlled the country from 1999 until 2018, when it lost all of its seats in parliament after the
2018 Armenian revolution and the
2018 parliamentary election. • '''''': The
Austrian People's Party ruled as the dominant governing coalition leader from 1945 to 1970, and the
Social Democratic Party of Austria, under a similar arrangement, from 1970 to 2000. • '''''': The
Cisleithania Minister-Presidency was dominated by the
Constitutional Party from 1871 to 1893. • '''''': The
Social Democratic Workers' Party of Austria (predecessor of the SPÖ, in power since 1945), dominated Vienna between 1911 and 1934. • '''''': The
Christian Social Party (predecessor of the ÖVP, in power since 1945), dominated Lower Austria between 1907 and 1934. • '''''': The
Christian Social Party (predecessor of the ÖVP), dominated Upper Austria between 1907 and 1934. • '''''': The
Christian Social Party (predecessor of the ÖVP), dominated Vorarlberg between 1907 and 1934. • '''''': The
Christian Social Party (predecessor of the ÖVP), dominated Tyrol between 1907 and 1934. • '''''': The Salzburger Volkspartei, the ÖVP and their predecessors dominated Salzburg between 1919 and 2004. • '''''': The Steirische Volkspartei, the ÖVP and their predecessors dominated Styria between 1907 and 2005. • '''''': The
Catholic Party sent prime ministers from 1884 to 1937. The
Catholic People's Party sent prime ministers from 1979 to 1999. • '''''': The
Christian Social Party and the
Christen-Democratisch en Vlaams dominated Flanders from at least 1968 to 1999. • '''''':
GERB was the ruling party from 2009 to 2021 (with an exception from 2013 to 2014). It is the biggest Bulgarian party. • ''''
: The Croatian Democratic Union was in power from the first multi-party elections in 1990, when Croatia was still a constituent republic of SFR Yugoslavia, until it lost the parliamentary and presidential elections in 2000. For most of the 1990s, the party had an absolute majority in both the Chamber of Representatives and the Chamber of Counties, while its chairman, Franjo Tuđman, was President of Croatia under a de facto'' superpresidential system of government until his death in 1999. • '''''': The
National Landowners, and later the
Højre, ruled Denmark from 1874 to 1901. • '''''':
Estonian Centre Party has held the mayorship in
Tallinn since 2005, having won a majority of the city council seats there four consecutive times. In 2021, they received 38 out of 79 seats and formed a coalition. • '''''': The Agrarian League, later the
Centre Party, dominated the Presidency under
Urho Kekkonen from 1956 to 1982. • '''''': During the tenure of
Napoleon III (first as president 1848 to 1852 then as Emperor from 1852 to 1870), the
Bonapartists were a loose ruling political organization. Since the Fifth Republic, the main presidential parties,
Les Républicains (centre-right) or the
Parti Socialiste (centre-left), were the biggest parties in over half of the presidential elections, until both parties lost dominance in France since 2017, as centrist politician
Emmanuel Macron of
En Marche became president, with French right-wing leader
Marine Le Pen as the main opponent. Both parties have taken dominance since the
2017 French presidential election. • '''''': The
Union of Citizens of Georgia was the dominant political force from its establishment in 1995 to its dissolution and overthrow in 2003 in the
Rose Revolution, during which the party's leader and president,
Eduard Shevardnadze, was ousted. • '''''': The
Christian Democratic Union ruled
West Germany and later a unified Germany from its establishment in 1949 to 1969, and again from 1982 to 1998 and from 2005 to 2021. • '''''': The
Christian Democratic Union of Germany ruled from 1953 to 2011 and was the biggest party until
2016 (except in Württemberg-Baden for 1950–1952), but is still the biggest party at the German federal elections and European Parliament elections. In the predecessor state of Baden, the Centre Party was the biggest party during the Weimar era until 1930. • '''''': The Bavarian Patriot Party (until 1887), the
Centre Party (until 1918) and the
Bavarian People's Party were the biggest parties in the Bavarian Landtag from 1869 to 1933 and ruled from 1920 to 1933. • ''''
(not part of Germany at the time)'': The
Centre Party won every Landesrat election from 1922 to 1935. • ''''
(not part of Germany at the time)'': The Saarland Christian People's Party held the majority from 1947 to 1955, which was broken by the similar CDU in 1955. • '''''': The
Christian Democratic Union of Germany ruled from the return of the Saar to (West) Germany in 1959 to 1980. In the Landtag elections, the CDU reached between 36.6% in 1955 and 49.1% in 1975; the CDU also dominated federal elections (except in 1972), and in the 1979 European Parliament election, the CDU/CSU won 46.4%. • '''''': From the establishment of the state, the
Christian Democratic Union of Germany ruled without interruption until 2014, with an absolute majority from 1999 to 2009. Since 2014, it has been in opposition. • '''''' • '''''': The
Deák Party (which merged with the Left Centre to form the
Liberal Party in 1875) ruled Hungary from 1867 to 1905, and the
National Party of Work between 1910 and 1918. • '''''': The
Unity Party and the
Party of National Unity (renamed Party of Hungarian Life in 1939) governed the
Kingdom of Hungary from 1922 to 1944. • •
Fidesz–KDNP: In power since 2010 (won in the
European Parliament election, 2009: 14 of 22 of seats for Hungary) • Led by
Viktor Orbán,
prime minister (since 2010) •
2022 Hungarian parliamentary election: 54.13% and qualified majority, 135 of 199 seats •
European Parliament election, 2019: 52.56% and 13 of 21 of seats for Hungary • '''''': Ireland's
Fianna Fáil was the largest party in
Dáil Éireann between 1932 and 2011 and in power for 61 of those 79 years. However, the party were heavily defeated in the
2011 Irish general election, coming third. • '''''': Italy's
Christian Democracy dominated
Italian politics for almost 50 years as the major party in every coalition that governed the country from 1944 until its demise amid
a welter of corruption allegations in 1992–1994. The main opposition to the Christian democratic governments was the
Italian Communist Party. •
Emilia-Romagna: The
Italian Socialist Party dominated the region from 1909 until the rise of
Fascism. •
Emilia-Romagna: The
Italian Communist Party dominated the region from 1946 until 1991. •
Emilia-Romagna: The
Democratic Party of the Left dominated the region from 1991 until 1998. •
Emilia-Romagna: The
Democrats of the Left dominated the region from 1998 until 2007. •
Tuscany: The
Italian Communist Party dominated the region from 1946 until 1953, and then from 1963 until 1991. •
Tuscany: The
Democratic Party of the Left dominated the region from 1991 until 1998. •
Tuscany: The
Democrats of the Left dominated the region from 1998 until 2007. • '''''': The
Progressive Citizens' Party governed from 1928 to 1970. • '''''': The
Christian Social People's Party (CSV), with its predecessor,
Party of the Right, governed Luxembourg continuously from 1915 to 2013, except for 1974–1979. However, Luxembourg has a coalition system, and the CSV has been in coalition with at least one of the other two leading parties for all but four years. It has always won a plurality of seats in parliamentary elections, although it lost the popular vote
in 1964 and
1974. • '''''': The
Nationalist Party dominated the Maltese political scene from
1988 to 2013, when the
Labour Party won the government in the 2013
general election. • '''''':
Rally & Issues governed the National Assembly from 1962 to 2003. • '''''': The
Democratic Party of Socialists (DPS) ruled Montenegro from 1990 to 2020, having been defeated in the
2020 election. • '''''': The
Norwegian Labour Party ruled from 1935 to 1965 (including the 5 years of
Government-in-exile during
World War II), though it has been the biggest party in
Norway since 1927 and has been in power many other times. • '''''': The
Law and Justice party (PiS) won the majority of seats in the
Sejm and formed governments in
2015 and
2019, while also winning the Presidency in
2015 and
2020. After the
2023 Parliamentary election, they lost the majority in the Sejm and failed to establish a government coalition. • '''''': • The
Portuguese Republican Party, during most of the
Portuguese First Republic's existence (1910–1926): After the coup that put an end to
Portugal's constitutional monarchy in 1910, the electoral system, which had always ensured victory to the party in government, was left unchanged. Before 1910, it had been the
reigning monarch's responsibility to ensure that no one party remain too long in government, usually by disbanding Parliament and calling for new elections. The republic's constitution added no such proviso, and the Portuguese Republican Party was able to keep the other minor republican parties (monarchic parties had been declared illegal) from winning elections. On the rare occasions when it was ousted from power, it was overthrown by force, and it was again by the means of a counter-coup that it returned to power, until its final fall, with the republic itself, in 1926. • The
Social Democratic Party dominated several Portuguese governments between 1980 and 1995, with the exception of the governing coalition with the
Socialist Party between 1983 and 1985. • As a
semi-presidential republic, Portugal's
President has significant residual power. From 1986 to 2006, the Presidency was in the hand of the
Socialist Party; since 2006, it is the
Social Democratic Party that currently controls the Presidency. • •
United Ossetia, led by
Anatoliy Bibilov, has been power since 2014 (a continuation of the governing 2001–2014
Unity Party, now defunct). It won the
parliamentary election in 2014 with 44.84% of the vote and 20 of 34 seats, and won again in the
2017 Presidential election with 54.80% of the vote. • '''''': The dominant party in Serbia is the
Serbian Progressive Party led by Aleksandar Vučić. The party has won all parliamentary and presidential elections since 2012 and rules in almost all municipalities and cities in the country. • :
People's Radical Party, led by
Nikola Pašić, dominated the political landscape of the Kingdom of Serbia from 1904 and 1918. Pašić also served as the
Prime Minister of the Kingdom of Yugoslavia from 1918 to 1926 with brief interruptions. • : The
Socialist Party of Serbia controlled the country from 1992 to 2000. • '''''' • '''''': The
PSOE-A party (the Andalusian branch of nationwide
PSOE) was the ruling party in the
Andalusian Autonomous Government continuously between 1978 and 2019, being also the most voted party in all elections for the
Parliament of Andalusia during that interval, except one (
2012). After the
2018 Andalusian election, a right-to-centre coalition led by the
People's Party entered office, and in
2022 the People's Party achieved an absolute majority. • '''''': The
Convergence and Union coalition (federated political party after 2001) in
Catalonia governed the
autonomous Catalan government from 1980 to 2003, under the leadership of
Jordi Pujol, with parliamentary absolute majority or in coalition with other smaller parties. The party later governed again from 2010 until its dissolution in 2015. • •
Spanish Socialist Workers' Party, in power in the
Extremaduran Government from 1983 to 2011, and again since 2015. •
Extremaduran election, 2019: PSOE 46.8%, 34 of 65 seats. •
Spanish Parliament election, November 2019: PSOE 38.3%, 5 of 10 seats. • '''''': The
People's Party of the Valencian Community (the Valencian branch of nationwide
People's Party) was the ruling party in the
Valencian Autonomous Government between 1995 and 2015, being the most voted party in all elections for the
Valencian Parliament during that interval. After the
2015 Valencian elections, a left-to-centre coalition entered office. • '''''': From 1848 to 1891, the
Free Democratic Party held all seven seats of the
Federal Council, thus having full control of the Swiss Directorial Government. • '''''': The
Swedish Social Democratic Party in Sweden governed from 1932 to 2006, except for some months in 1936 (1936–1939 and 1951–1957 in coalition with the
Farmers' League, 1939–1945 at the head of a government of national unity), 1976–1982 and 1991–1994. The party is still the largest party in Sweden and has been so in every general election since 1917 (hence the largest party even before the universal suffrage was introduced in 1921). The former prime minister and party leader
Tage Erlander led the Swedish government for an uninterrupted tenure of 23 years (1946–1969), the longest in any democracy so far. Since 2006, the party support has declined, but in 2014, it returned to government, although its centre-left coalition had no majority. • '''''': In
Turkey's single-party period lasting until 1945, the
Republican People's Party (CHP) was the major political organisation of the single-party state. However, the CHP faced two opposition parties during this period, both established upon the request of the founder of the Republic of Turkey and CHP leader,
Mustafa Kemal Atatürk, in efforts to allegedly jump-start multiparty democracy in Turkey. The pro-Kurdish
Peoples' Democratic Party was the dominant party in the mainly Kurdish southeast from 1991 until the
2016 Turkish coup d'état attempt which resulted in
massive purges and the takeover of municipalities by the state. The landslide election victories of the
Justice and Development Party led to the party gaining majority in parliament between 2002 and 2018. Since the
2018 parliamentary election, the party has minority in the parliament. • '''''': • The
Whigs dominated the
Kingdom of Great Britain's politics from 1714 to 1762 during the
Whig supremacy. • The
Tories, governed from 1783 to 1806, and 1807 to 1830. • The
Liberal Party governed from 1905 to 1922. • The
Conservative Party, governed from 1895 to 1905, and from 1935 to 1945, and from 1951 to 1963, and from 1979 to 1997, and lastly from 2010 to 2024. • The
Labour Party governed from 1997 to 2010. • '''''': • The
Ulster Unionist Party won every election between 1921 and 1972 in the
former devolved administration of
Northern Ireland. • : •
Scottish Labour won every election to the
House of Commons in Scotland from
1964 to
2015, where it was heavily defeated and reduced to 1 seat. • It controlled the
Scottish Parliament from its inception in
1999 until the
2007 election where it lost to the
SNP.
Asia • '''''': In
Afghanistan, the
People's Democratic Party of Afghanistan was the only legal political party from 1978 until 1987 when other parties were allowed while the PDPA remained the dominant political party until 1992. • '''''': In
Bangladesh, the
Awami League was the country's predominant political party between 1972 and 1975 and from 2009 to 2024. After the
military coup of 1975, the
Bangladesh Nationalist Party (BNP) became the dominant political force between 1977 and 1982. Under the autocratic regime of General
Hussain Muhammad Ershad, the
Jatiya Party was the dominant party between 1986 and 1990. Bangladesh Awami League again became the dominant political party in 2008 and ended in 2024 after
Sheikh Hasina's resignation amid the
2024 Bangladesh protests. • '''''': The
Anti-Fascist People's Freedom League in Burma (now Myanmar) from 1948 to 1962. The
Union Solidarity and Development Party from 2011 to 2016 (as a
military junta from 1988 to 2011). • '''''': The
Democratic Party was the dominant party in Cambodia from 1946 to 1955, The
Sangkum in Cambodia was the dominant party under Prince
Norodom Sihanouk as head of government from 1955 to 1970. Under the
Khmer Republic the
Social Republican Party was the dominant party under General
Lon Nol from 1972 to 1975. • ''''
: The Kuomintang established a de facto''
one-party state in the
Republic of China on the mainland and subsequently on
Taiwan until political liberalization and the lifting of
martial law in the late 1980s. The Kuomintang continued to dominate the political system until the victory of the opposition
Democratic Progressive Party in the
2000 presidential election. The Kuomintang maintained control of the
Legislative Yuan until
2016. •
: The
Indian National Congress had continuously ruled the
parliament of India and various
state legislatures since independence in 1947 to 1977 and 1980 to 1989. •
Odisha: The
Biju Janata Dal had ruled the
state legislature of Odisha for 24 years (winning election for five consecutive times from 2000 to 2024). •
Sikkim: The
Sikkim Democratic Front had ruled the
state legislature of Sikkim for 24 years (winning election for five consecutive times from 1994 to 2019). •
Tripura: The
Tripura Left Front, comprising parties such as the
Communist Party of India (Marxist), the
Communist Party of India,
All India Forward Bloc and the
Revolutionary Socialist Party had ruled the
state legislature of Tripura for 24 years (winning election for five consecutive times from 1993 to 2018). •
West Bengal: The
West Bengal Left Front, comprising parties such as the
Communist Party of India (Marxist), the
Communist Party of India,
All India Forward Bloc and the
Revolutionary Socialist Party had ruled the
state legislature of West Bengal for 34 years (winning election for seven consecutive times from 1977 to 2011). • ''''
: The Golkar (acronym of Golongan Karya'' or Functional Groups) organization, in power from 1971 to 1999 in support for
President Suharto. • : Dominated by the
Indonesian Democratic Party of Struggle since 2003. Led by
Indonesian Democratic Party of Struggle politicians during 2003-2023 •
Depok City: Led by
Prosperous Justice Party politicians during 2005-2025 • '''''': The
Iran Novin Party dominated Iran's
parliament,
cabinet, and local councils from 1964 until Iran became a one-party state in 1975. • '''''':
Mapai in Israel was the dominant party from the establishment of the state of Israel in 1948 (and before 1944 they won the
Assembly of Representatives since 1925) until merging into present-day
Israeli Labor Party in 1968. The Labor Party started losing influence in the 1970s, particularly following the
Yom Kippur War, and eventually lost power in the
1977 election. The Labor Party continued to participate in several coalition governments until 2009. • '''''':
Conservative parties:
Liberal Party (South Korea) in power 1948–1960,
Democratic Republican Party (South Korea) in power 1962–1980,
Democratic Justice Party in power 1980–1990,
Democratic Liberal Party (South Korea) in power 1990–1995,
New Korea Party in power 1995–1997 and
Saenuri Party in power 2008–2017. • '''''':
Barisan Nasional (BN), in power from 1974 to 2018, defeated in
2018 election. Also in a coalition government with
Perikatan Nasional from 2020 to 2022 in the wake of
2020 Malaysian political crisis, with BN leading from 2021 to 2022. Its predecessor
Perikatan also held power from 1955 to 1973. After the
2022 Malaysian general election, despite currently in a coalition government led by
Pakatan Harapan, BN is no longer dominant in the Malaysian politics. • '''''': Barisan Nasional (and its predecessor Perikatan), in power from 1954 to 2018, defeated in 2018 election. Regained power in the wake of
2020 Malaysian political crisis and won the
2022 Johor state election. • '''''': Barisan Nasional (and its predecessor Perikatan), in power from 1955 to 2008, defeated in 2008 election. Regained power in the 2013 state elections, but defeated again in the
2018 election. • '''''': Barisan Nasional, in power from 1978, when they won the
1978 state election in Kelantan and governed in a coalition with
BERJASA, until 1990, when BN were defeated in
that year's election. • '''''': Barisan Nasional (and its predecessor Perikatan), in power from 1955 to 2018, defeated in 2018 election. Regained power in the wake of
2020 Malaysian political crisis and won the
2021 Melaka state election. • '''''': Barisan Nasional (and its predecessor Perikatan), in power from 1955 to 2018, defeated in 2018 election. Currently BN is in a government coalition led by
Pakatan Harapan after the 2023 state election. • '''''': Barisan Nasional, in power from 1974 to 2008 under main component party in Penang
Gerakan, defeated in 2008 election. Gerakan as a single party also won state election in 1969, winning it from BN predecessor Perikatan, who held power in the state from 1955. • '''''': Barisan Nasional, in power from 1974 to 2008, defeated in 2008 election. BN regained power in 2009 as a result of
2009 Perak constitutional crisis, and won the 2013 Perak state election. BN would lose the Perak government again after defeat in the 2018 state election, but regained power in the wake of
2020 Malaysian political crisis. Its predecessor
Perikatan also held power from 1955 to 1969. Currently lead a coalition government with
Pakatan Harapan after the
2022 Perak state election. • '''''': Barisan Nasional (and its predecessor Perikatan), in power from 1955 to 2022, defeated in
2022 election. • '''''': Barisan Nasional, in power from 1976 to 1985 (led by component party
BERJAYA), 1986 to 1990 (led by component party
PBS), and from 1994 to 2018 (led by component party
UMNO Sabah). Currently BN is in a coalition government with
Gabungan Rakyat Sabah (GRS), after the
2020 Sabah state election. PBS also led the state government as a single party from 1985 to 1986, and as part of
Gagasan Rakyat coalition from 1990 to 1994. Before BN,
Perikatan Sabah (Sabah Alliance) holds power in Sabah from its independence in 1963 to 1976. • '''''': Barisan Nasional, in power from 1974 to 2008, defeated in 2008 election. Its predecessor Perikatan also held power from 1955 to 1969. • '''''': Barisan Nasional (and its predecessor Perikatan), in power from 1955 to 2018, with exception to 1959–1961 and 1999–2004, when the state government were controlled by
Parti Islam Se-Malaysia (PAS). Defeated in the
2018 election. • '''''': The
National Unity Party governed from 1983 to 2005. • '''''': The
Nacionalista Party in the
Philippines was the dominant party during various times in the nation's history from
1916–
1941, and on
1945. From
1978 to
1986 Kilusang Bagong Lipunan operated as a dominant party. • '''''': The
United National Party from 1977 to 1994, and the
Sri Lanka Freedom Party from 1994 to 2015 (except for a brief interregnum from 2001 to 2004). • '''''': The
Syrian Arab Socialist Ba'ath Party ruled from 1963 to 2024, with nominal multi-party system from 2012. • '''''': The
Thai Rak Thai Party was the first political party to surpass the majority in the
House of Representatives. During the
general election, it became a dominant party until a
coup d'état ousted Prime Minister
Thaksin Shinawatra and the dissolution of the House in 2006. • '''''':
General People's Congress, In power effectively from 1982 (1982–1990 sole legal party) to 2015, ceded effective control after
Houthi takeover of Sana'a.
Africa •
: The
National Liberation Front had governed Algeria from 1962 to 1992, from 1992 to 1994 (sole legal party 1962 to 1989), and from 1999 to 2019. The current president,
Abdelmadjid Tebboune, is affiliated with FLN, but its partisan power is significantly weakened after the
2021 parliamentary elections. • '''''': The
Botswana Democratic Party governed the country for 58 years with consecutive
majority governments from independence in 1966 until
2024. • '''''': The
Congress for Democracy and Progress from 1996 to 2014, under
Blaise Compaoré, who ruled first as an independent after a coup from 1987 to 1989, then led the
Organization for Popular Democracy – Labour Movement from 1989 to 1996. • '''''':
Union for National Progress (UPRONA) from 1962 to 1993 (from 1974 to 1992 as sole legal party). •
: the
Movement for the Social Evolution of Black Africa ruled from 1960 to 1981 (from 1962 to 1980 as sole legal party). • '''''': The
National Democratic Party (NDP) of
Egypt, under various names, from 1952 to 2011 (as
Arab Socialist Union, sole legal party 1953–1978) • '''''': The
People's Progressive Party in The Gambia from 1962 to 1994. The
Alliance for Patriotic Reorientation and Construction under
Yahya Jammeh from 1996 to 2017, with Jammeh ruling first under a Junta after a
coup from 1994 to 1996. • '''''': The
Gabonese Democratic Party governed from independence in 1960 to 2023, ended with the
2023 Gabonese coup. • '''''':
African Party for the Independence of Guinea and Cape Verde (PAIGC) governed from 1974 to 1999 (from 1974 to 1991 as the sole legal party). • '''''':
Democratic Party of Ivory Coast governed from 1960 to 1999 (from 1960 to 1990 as the sole legal party). • '''''': The
Kenya African National Union in Kenya from 1963 to 2002 (sole legal party 1982–1991). • '''''':
True Whig Party ruled consecutively from 1878 to 1980, in a de facto one-party state manner, though the country never explicitly banned opposition parties. • '''''':
People's Democratic Party (PDP) was in power from May 29, 1999, till May 29, 2015, when the opposition party
All Progressives Congress (APC) won the
presidential election in 2015. • '''''': The
Rhodesian Front in
Rhodesia (now
Zimbabwe), under the leadership of
Ian Smith, from 1965 to 1980. • '''''': The
Socialist Party in Senegal from 1960 to 2000 (sole legal party 1966–1974). • '''''':
United Seychelles Party ruled from 1977 to 2020 (from 1977 to 1991 as sole legal party). •
: The
All People's Congress Party ruled from 1968 to 1992 (from 1978 to 1991 as sole legal party). •
: The
National Party in South Africa from 1948 to 1994. The
African National Congress (ANC) governed South Africa with consecutive majority governments from 1994 to 2024. • '''''':
National Congress from 1998 to 2019 (1998 to 2005 as sole legal party). • '''''': The
Democratic Constitutional Rally in Tunisia, 1956–2011 (as the sole legal party between 1963 and 1981). • '''''': The
Movement for Multiparty Democracy from 1991 to 2011.
Oceania •
: The
Liberal Party (generally in a near-permanent
Coalition with the
National Party) held power federally from 1949 to 1972 and from 1975 to 1983 (31 out of 34 years). After the expiry of the 46th Parliament in 2022, the
Liberal-National Coalition held power for 20 out of the 26 years between 1996 and 2022. Overall from 1949 to 2022, the Liberal Party held power for 52 out of 73 years. The longest-serving
Prime Minister was
Robert Menzies, who served from 1939 to 1941 (2 years) as a member of the
United Australia Party, and from 1949 to 1966 (16 years) as leader of the Liberal Party. The second longest-serving was
John Howard (Liberal Party), who was Prime Minister from 1996-2007 (11 years). •
: The
Country Liberal Party held power from the granting of self-government in 1978 to 2001 (23 years). •
: The
Labor Party held power from 1941 to 1965 (24 years), and from 1976 to 1988 and 1995 to 2011 (28 out of 35 years) – in total 52 out of 70 years from 1941 to 2011. •
: The
Labor Party held power from 1915 to 1929 and from 1932 to 1957 (39 out of 42 years). The
National Party then held power from 1957 to 1989 (32 years) with and without the
Liberal Party. These were facilitated by a Labor-designed malapportionment that favoured rural districts. The National Party under
Joh Bjelke-Petersen increased the malapportionment with the
Bjelkemander, allowing them to rule alone without the Liberals, and used the police to suppress dissent and opposition from Labor. The National Party dominance was ended by a corruption inquiry, Bjelke-Petersen was forced to resign in disgrace, and police and politicians were charged with crimes. Since 1989, Labor has held government aside from a National Party government (1996 to 1998) and Liberal-National Party government (2012 to 2015) (28 years of Labor government out of 33 years). •
: The
Liberal and Country League held power from 1933 to 1965 (32 years) through the
Playmander. Since the ending of malapportionment after the
1968 election, the
Labor Party has held power from 1970 to 1979, from 1982 to 1993, from 2002 to 2018 (26 out of 38 years), and has been in power since 2022. •
: The
Labor Party held power from 1934 to 1969 and from 1972 to 1982 (45 out of 48 years), from 1989 to 1992, and from 1998 to 2014 (16 years) – in total 64 out of 80 years from 1934 to 2014. •
: The
National Citizens' Reform League (1902–1909), the
Deakinite Liberal Party (1909–1917) and the
Nationalist Party (1917–1924) consecutively held power from 1902 to 1924 (22 years). The
Country Party then ruled from 1924 to 1927 (3 years), followed by the Nationalist Party from 1928 to 1929 (1 year) in a
coalition. The Country Party and the
United Australia Party (later as the
Liberal and Country Party) held power with and without a coalition from 1932 to 1945 (13 years) and 1947 to 1952 (5 years). The Liberal Party then held power from 1955 to 1982 (27 years). In total, centre-right governments ruled 71 out of 80 years from 1902 to 1982. •
: The
Liberal Party held power from 1947 to 1983 with two one-term interruptions between 1953 and 1956 and 1971 to 1974 (30 out of 36 years). •
: The
Labor Party has held power since 2001 (23 years as of 2024) (in coalition with the
ACT Greens since 2012), previously holding government between 1989 and 1995 (24 years out of 30 years since self-government). • '''''': The
Liberal Party governed from 1891 to 1912. • '''''': The
Human Rights Protection Party governed from 1982 to 2021. == See also ==