Beginnings The LDP was formed in 1955, a result of a merger between two of Japan's political parties, the
Liberal Party (led by
Taketora Ogata) and the
Japan Democratic Party (led by
Ichirō Hatoyama), both
conservative parties, as a united front against the then popular
Japan Socialist Party, now the
Social Democratic Party. The party won the following elections, and Japan's first conservative government with a majority was formed by 1955. It would hold majority government until 1993. The LDP began with reforming
Japan's international relations, ranging from entry into the United Nations to establishing diplomatic ties with the
Soviet Union. Its leaders in the 1950s also made the LDP the main government party, and in all the elections of the 1950s, the LDP won the majority vote, with the only other opposition coming from
left-wing politics, made up of the Japan Socialist Party and the
Japanese Communist Party. From the 1950s to the early 1970s, the United States
Central Intelligence Agency spent millions of dollars to aid the LDP against leftist parties such as the Socialists and the Communists, although this was not revealed until the mid-1990s when it was exposed by
The New York Times. Details remain classified, while available documents show connections to prime ministers
Nobusuke Kishi and
Eisaku Satō.
1960s to 1990s For the majority of the 1960s, the LDP and Japan were led by
Eisaku Satō, beginning with the hosting of the
1964 Summer Olympics in Tokyo, and ending in 1972 with Japanese neutrality in the
Vietnam War and with the beginning of the
Japanese asset price bubble. By the end of the 1970s, the LDP went into its decline, where even though it held the reins of government many scandals plagued the party, while the opposition (now joined with
Kōmeitō) gained momentum. In 1976, in the wake of the
Lockheed bribery scandals, a handful of younger LDP
National Diet members broke away and established their own party, the
New Liberal Club (Shin Jiyu Kurabu). A decade later, it was reabsorbed by the LDP. By the late 1970s, the Japan Socialist Party, the Japanese Communist Party, and Komeito along with the international community used major pressure to have Japan switch diplomatic ties from
Taiwan (Republic of China) to the
People's Republic of China. In 1983, the LDP was a founding member of the
International Democracy Union. In the same year, the party lost a significant amount of seats in the
1983 general election. It won the
1986 general election by a landslide, gaining 300 seats, However, the LDP started to suffer setbacks in elections by the end of the 1980s, mainly due to unpopular policies on trade liberalisation and tax, as well as a scandal involving their leader
Sōsuke Uno and the
Recruit scandal. In the
1989 House of Councillors election, the party lost its majority in the
House of Councillors for the first time in 34 years.
Out of power The LDP managed to hold on to power in
1990 general election despite some losses. In June 1993, 10 members of the party's
liberal-conservative faction split to form
the parties. The end of the postwar miracle economy, the
Japanese asset price bubble and other reasons such as the
recruit scandal led to the LDP losing its majority in
1993 Japanese general election held on 18 July. Seven opposition parties, including several formed by LDP dissidents, formed the
Hosokawa Cabinet headed by
Japan New Party leader and LDP dissident
Morihiro Hosokawa, who became the prime minister preceded by
Kiichi Miyazawa; however, the LDP was still far and away the largest party in the House of Representatives, with well over 200 seats; no other individual party crossed the 80-seat mark.
Yōhei Kōno became the president of the LDP preceded by
Kiichi Miyazawa, he was the first non-prime minister LDP leader as the leader of the opposition. In 1994, the Japan Socialist Party and the parties left the ruling coalition, joining the LDP in the opposition. The remaining members of the coalition tried to stay in power as the minority
Hata cabinet under the leadership of
Tsutomu Hata, but this failed when the LDP and the Socialists, bitter rivals for 40 years, formed a majority coalition.
1996–2009 In the
1996 general election, the LDP made some gains but was still 12 seats short of a majority. However, no other party could possibly form a government, and Hashimoto formed a solidly LDP minority government. Through a series of floor-crossings, the LDP regained its majority within a year. In October 1999, it formed a
coalition with
Komeito. It lost several seats in the
2000 general election, leading it to rely on its coalition with Komeito to retain a majority. The election also saw the
Democratic Party of Japan solidify itself as the main opposition party. In the
2001 leadership election,
Junichiro Koizumi was elected on a reformist platform, promising to take on the old factional politics of the LDP. The LDP concurrently won seats in the
2001 House of Councillors election, boosting Koizumi. The LDP did not secure a majority, however, in the
2003 general election, which saw the DPJ make further gains. After bills to privatize
Japan Post were voted down, Koizumi called for an early
general election in 2005, where the LDP won a landslide victory of 296 seats. Koizumi also declined to endorse 37 members of his party who voted against the postal bills, forcing many of them to run as independents. Koizumi retired a year later, being succeeded by
Shinzo Abe in the
2006 LDP presidential election. The LDP remained the largest party in both houses of the National Diet until the
2007 House of Councillors election held on 29 July, when the LDP lost its majority in the upper house. In the
2007 LDP leadership election, held on 23 September, the LDP elected
Yasuo Fukuda as its president, succeeding Abe who had resigned. Fukuda defeated
Tarō Asō for the post, receiving 330 votes against 197 votes for Aso. Fukuda resigned suddenly in September 2008, and Asō became Prime Minister after winning the
2008 LDP presidential election against four other candidates. In the
2009 general election, the LDP was roundly defeated, winning only 118 seats—easily the worst defeat of a sitting government in modern Japanese history, and also the first real transfer of political power in the post-war era. Accepting responsibility for this severe defeat, Aso announced his resignation as LDP president on election night.
Sadakazu Tanigaki won the
2009 LDP leadership election on 28 September.
2009–2024 The LDP's support continued to decline, with prime ministers changing rapidly, and the
2009 general election saw the party losing its majority, winning only 118 seats, marking the only time they would be out of the majority other than a brief period in 1993, until 2024. Since that time, numerous party members left to join other parties or form new ones, including
Your Party, the
Sunrise Party of Japan, and the
New Renaissance Party. The party had some success in the
2010 House of Councilors election, netting 13 additional seats and denying the DPJ a majority. Shinzo Abe became the president again in September 2012 after a five-way race. The LDP returned to power with its ally Komeito after winning a clear majority in the
2012 general election after over three years in opposition. Abe became Prime Minister for the second time preceded by
Yoshihiko Noda who was the leader of the DPJ. Abe led LDP to a victory in the
2013 House of Councillors election, leading the party to control both houses of the Diet. In 2014, Abe called an
early general election as a way to get support for his economic policies, The LDP again won the election. In July 2015, the party and Abe pushed for expanded military powers to fight in foreign conflict through the
Legislation for Peace and Security, which was supported by
Komeito. The LDP further solidified its majority in the
2016 House of Councillors election. The LDP won the
2017 general election, leading Abe to become the first LDP leader to win three consecutive general elections. The LDP lost its majority in the
2019 House of Councillors election, but maintained control of the upper house with its coalition partner Komeito; the coalition also lost the two-thirds majority needed to enact constitutional revision. Abe resigned in 2020, citing a remission of his illness.
Yoshihide Suga took over from Abe in September 2020 after
a three-way race. After Suga declined to run for re-election, successor
Fumio Kishida led the party to a victory in the
2021 general election after a four-way party leadership race, defying expectations. Despite support dropping in 2022 after the
assassination of Abe over connections between various party members and the Unification Church, the party had a good showing in the
2023 unified local elections, winning over half of the 2260 prefectural assembly seats being contested and six governorship positions. From 18 to 19 January 2024, following the
LDP slush fund scandal involving failure to report and misuse of ¥600 million in campaign funds by party members of the conservative
Seiwa Seisaku Kenkyūkai and
Shisuikai factions in violation of Japanese campaign finance and election law, three factions (Seiwa Seisaku Kenkyūkai, Shisuikai, in addition to Prime Minister Kishida's
Kōchikai) all announced their intention to dissolve entirely in hopes of restoring public trust. Several LDP lawmakers were indicted, including incumbent lawmakers
Yasutada Ōno and
Yaichi Tanigawa, who both resigned from the party following their indictments. Kishida resigned in August 2024 over the scandal and low approval ratings, and was succeeded by
Shigeru Ishiba.
2024–present In the
2024 Japanese general election, the governing LDP and its coalition partner Komeito lost their parliamentary majority in the lower house for the first time since 2009, with the LDP suffering its second-worst result in its history, securing only 191 seats. The
Constitutional Democratic Party (CDP), the main opposition party led by former Prime Minister
Yoshihiko Noda, achieved its best result in its history, increasing its seat count from 96 to 148. This was the first general election in Japan since 1955 wherein no party secured at least 200 seats. The election outcome is largely attributed to the major slush fund scandal that emerged in November. Prime Minister Shigeru Ishiba, called for a snap election in September to bolster support; however, the LDP's attempts to distance itself from the scandal backfired when reports surfaced that the party continued to provide funds to chapters headed by implicated members. In response to the election results, the prime minister has committed to implementing fundamental reforms regarding money in politics. The LDP's coalition partner Komeito also performed poorly, with its leader Keiichi Ishii losing his seat and subsequently announcing his resignation. This electoral setback is particularly significant for the LDP, which has held power almost continuously since 1955, highlighting the impact of the corruption scandal on public trust in the party. In the
2025 House of Councillors election, the governing coalition lost its majority in the upper house. This marked the first time in the LDP's history that it did not control either house in the National Diet. After Ishiba announced his resignation,
Sanae Takaichi was elected to succeed him. She is the first woman to hold the role of party president. In October 2025, Komeito chief representative
Tetsuo Saito announced that it would leave the ruling coalition, over disagreements with Takaichi's leadership. As a result, Takaichi negotiated a
confidence and supply agreement with the
Japan Innovation Party. The agreement was signed on 20 October, with Takaichi then taking office as Japan's first female prime minister on 21 October. On 23 January 2026, Takaichi dissolved the House of Representatives, allowing a
snap election to be held on 8 February. The
2026 general election resulted in a historic landslide victory for the LDP, with the party winning an outright two-thirds supermajority and regaining its majority status in the chamber. The LDP's total of at least 316 seats is the most ever won by a party in Japanese electoral history. Analysts credited the party's victory to Takaichi's high personal popularity at the time of the election. ==Ideology and political stance==