Jun Mukōyama

Career

She worked for Mitsubishi Corporation for 13 years, After that, when her husband was transferred, she left her job and focused on trying to conceive as a housewife, but struggled with infertility. Satoshi is now an executie at Luup, a street bike rental company. a founder of a group of parents considering how to balance work and childcare during the COVID-19 crisis, and the representative of Mukaiyama Policy Lab.

Due to the executive's policy to increase the proportion of women in proportional representation districts to 30 percent for the 26th regular election for the House of Councillors in July 2022, she quickly received the Liberal Democratic Party's endorsement and ran for office six weeks before the election was announced, but she only managed to win 20,638 votes and was defeated.

She then applied for the next House of Representatives election in Hakodate, where her husband's family lives, and became the head of the Liberal Democratic Party's Hokkaido 8th District branch in July 2023. In April 2024, Hajime Nomata, former chairman of the Nomata Gakuen educational corporation, became chairman of the "Mukaiyama Jun United Supporters Association."

On October 15, 2024, the 50th general election for the House of Representatives was announced, with three candidates running in Hokkaido's 8th district: Mukaiyama, Seiji Osaka, the incumbent Constitutional Democratic Party member, and Katsumi Homma, a former Hakodate City Council member and newcomer to the Japanese Communist Party. Osaka was not included on the proportional representation list. On October 25, the Yomiuri Shimbun announced the final results, reporting that "Mukaiyama has caught up with Osaka, who had been in the lead, making the race close." The general election was held on October 27. Just after the voting closed at 8 p.m., Hokkaido Cultural Broadcasting reported that Osaka had been declared the winner. Osaka was elected for a sixth term. The Liberal Democratic Party won three seats in the Hokkaido proportional representation block . Of the two seats, excluding Yoshitaka Ito , who was in sole first place, Mukōyama won her first election with the second-lowest margin of defeat (84.909 percent).

On September 5, 2025, she signed and stamped a document confirming her intention to bring forward the presidential election. On October 22 of the same year, she was appointed Parliamentary Vice-Minister for Internal Affairs and Communications in the Takaichi Cabinet.

Political positions Mukōyama focuses on promoting Hokkaidowhich she feels does not get the appropriate level of attention from the national government, the working class, natural resources, and reversing the population decline.

Like the majority of representatives in her party, Mukōyama also believes that nuclear energy is necessary for Japan's energy needs at present, even though nuclear weapons should not be considered. Furthermore, she advocates for a revision of Japan's anti-militarist Constitution.

On the international stage, Mukōyama declared herself in favor of tightening the sanctions imposed on Russia, following the Russo-Ukrainian conflict. She discussed political activities on social media, political funding issues, how to deal with the current generation, and parliamentary debates as a minority ruling party. despite the fact that TV cameras are allowed. The LDP issued both of them stern warnings. Mukōyama and Fukuda both apologized on Twitter. There was considerable debate about the dichotomy of this rule and the use of social media in politics.

Mukōyama is also the target of criticism after it was discovered that Prime Minister Shigeru Ishiba sent a gift check to all newly elected LDP members following the snap elections of October 2024. She nevertheless announced that she returned the check immediately upon receipt.

Elections

Book (co-authors)