Conservative Party of Japan

On June 12, 2023, novelist and right-wing political commentator Naoki Hyakuta declared that he would run for the House of Representatives and form a new party if the LGBT Understanding Promotion Act, which at the time of his declaration was still in deliberations and debate in the National Diet, were to be passed. Four days later on June 16, the bill in question was passed by the House of Representatives and enacted. As a result, he announced the formation of the party alongside journalist and fellow right-wing political commentator Kaori Arimoto. The party was launched on September 1, 2023, with a provisional name "Hyakuta New Party" (), while clarifying that official activities are scheduled to begin in October 2023. On September 2, 2023, party leader Hyakuta announced that he would reveal the party's official name if the party's official X account reached 200,000 followers. On September 13, 2023, the aforementioned account reached its goal of 200,000 followers, and the party's official name, the "Conservative Party of Japan" was announced. On September 14, 2023, , a previously independent member of the Arakawa City Assembly, joined the Conservative Party, giving the party its first ever seat in local assemblies. On October 17, 2023, during the party's first press conference, it was announced that the Nagoya-based regional party Genzei Nippon will be affiliated with the party on a national level, with its founder and leader Takashi Kawamura, also the incumbent mayor of Nagoya, becoming the party's Deputy Leader. In the 2025 Upper House election, the Conservative Party held two seats as they campaign for "zero sales tax for food" and "restriction of foreign immigrants". Around the time of the election, there were reports of discord between Hyakuta and Kawamura over party management. In September 2025, Diet Member Yuko Takegami, who is close to Kawamura, left the party, citing conflict with Hyakuta and the exclusion of Kawamura from party management. Later that month, the party declared the dissolution of its relationship with Genzei Nippon and Kawamura was dismissed as co-leader. Kawamura was reportedly considering leaving and forming a new party. == Ideology and policies ==

, Tokyo, 21 October 2023 The party asserts itself as a more right-wing alternative to the LDP and the Japan Innovation Party, the two main conservative parties in Japanese politics. With the party being formed after dissatisfaction arose towards the LDP following the election of Fumio Kishida as prime minister and LDP president in 2021 and the assassination of former prime minister and LDP president Shinzo Abe. The party is opposed to gender equality, same-sex marriage and LGBT rights. It supports the revision of the LGBT Understanding Promotion Act, including the removal of provisions regarding LGBT-related education for children. The party is in favour of revising Article 9 of the Japanese Constitution such as removing Section 2, which prohibits Japan from having a standing military force. The party is in favour of establishing stronger Japan–Taiwan relations and has proposed to establish a Japanese counterpart to the Taiwan Relations Act. and supports revising the , which would allow authorities to detain and deport refugees who have been denied asylum. The party also advocates for review of the government's immigration policy, such as its decision to expand the number of specified skilled foreign workers and international students. The party is in favour of amending the in order to have a separate health insurance system for foreign residents. The party vows to stop Japanese politics from becoming a "family business," such as by reducing the annual income of members of the Diet and local councilors to the salaries comparable to ordinary citizens. == Supporters ==

, 2024 The party's primary origin of support come from Japanese netizens, particularly those from the right-wing. With party founders Hyakuta and Arimoto both themselves being influential figures in Japan's internet right-wing as political commentators, having an active following on various social media and video-sharing platforms such as YouTube, Twitter and Niconico through their ultraconservative views on social and political issues. Liberal Democratic Party officials have expressed concern that they might lose voters to the Conservative Party as a result. Despite the party's large presence online, it fails to attract support among ordinary voters. According to surveys conducted by the JX News Agency in October 2023, 74.8% did not know of the party's existence, 18.4% responded that they knew of the party's existence but will not vote for them, and only 6.9% responded that they both knew of the party's existence and are planning on voting for them. According to the same surveys, the majority of the party's supporters are males in their 50s and 60s, and a large fraction of the respondents who answered that they will support the party previously voted for Sanseitō, a far-right party, and the Democratic Party for the People, a centre-right party in past elections. == Controversy ==

Anti-Korean sentiment On October 30, 2023, party leader Hyakuta and secretary general Arimoto made derogatory remarks against the Korean people on a Niconico live stream, with both stating that the "Korean people are human scum" and "I want to sever diplomatic relations with South Korea and go to war." Discrimination of sexual and gender minorities The party participated in the 2024 by-elections in the Tokyo 15th district with Islamic researcher and activist Akari Iiyama as its candidate. As a result, a number of their supporters from various regions, despite not being constituents of the district, actively engaged in the party's street rallies and stump speeches. However, the party's advocacy of anti-LGBT sentiment and rhetoric resulted in the distribution of leaflets and posters, as well as megaphone speeches containing discriminatory remarks against sexual and gender minorities throughout the constituency under the context of campaigning. Hyakuta has also said that the Nanjing Massacre by Japanese soldiers didn't happen. Denial of women's reproductive rights Addressing the declining birth rate issue in Japan, Hyakuta described a society where "women are not allowed to attend university after the age of 18," "women who are single at 25 are not allowed to marry," and "women who have not given birth by the age of 30 are forced to undergo a hysterectomy." The comment prompted fierce public backlash and rebuttal from celebrities, and Hyakuta was forced to apologize. ==Leaders ==

List of leaders ==Election results==

House of Representatives House of Councillors By-elections == References ==