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2022 Japanese House of Councillors election

← 2019 10 July 2022 2025 →
125 of the 248 seats in the House of Councillors 125 seats needed for a majority
Turnout	52.05% (3.25pp)
Party Leader % Seats +/– Liberal Democratic Fumio Kishida 34.43 119 +6 Ishin Ichirō Matsui 14.80 21 +5 Constitutional Democratic Kenta Izumi 12.77 39 +7 Komeito Natsuo Yamaguchi 11.66 27 −1 Communist Kazuo Shii 6.82 11 −2 Democratic For the People Yuichiro Tamaki 5.96 10 New Reiwa Taro Yamamoto 4.37 5 +3 Sanseitō Sohei Kamiya 3.33 1 New Social Democratic Mizuho Fukushima 2.37 1 −1 Anti-NHK Takashi Tachibana 2.36 2 +1 Independents – – 12 −5 This lists parties that won seats. See the complete results below. Results by constituency President before President after Akiko Santō Liberal Democratic Hidehisa Otsuji Liberal Democratic

House of Councillors elections were held in Japan on 10 July 2022 to elect 125 of the 248 members of the upper house of the National Diet, for a term of six years.^[1] The elections occurred after the assassination of Shinzo Abe, former Prime Minister of Japan on 8 July 2022. The elected candidate with the fewest votes in the Kanagawa prefectural district will serve for three years, as the district combined its regular and byelections.^[2]

The elections occurred within the first year of premiership of Fumio Kishida, President of the Liberal Democratic Party and it saw Kenta Izumi debut as the Leader of the opposition Constitutional Democratic Party. The election was overshadowed by the assassination of former Prime Minister Shinzo Abe (served 2006–2007 and 2012–2020), which took place two days before ballots were cast.^[3] Abe was shot while delivering a campaign speech for Kei Satō, a member of the House of Councillors running for reelection. The assassin, who had previously served in the Japan Maritime Self-Defence Force, was arrested at the scene and reportedly confessed to targeting Abe due to a grudge he held against the Unification Church. Prime Minister Kishida denounced the assassination as an attack on Japan's democracy and vowed to defend a "free and fair election at all cost".^[4] In a post-election survey, 62.5 percent of the voters said their votes were not swayed by the assassination, while 15.1 percent said they were.^[5]

The governing Liberal Democratic Party modestly increased its seats in the chamber.^[6] Turnout slightly increased compared to the previous election^[7] while a new record was set for women elected to the chamber at 28%.^[8] Parties supportive of constitutional revision gained a combined total of 93 seats, thus gaining the two-thirds majority needed to trigger the parliamentary procedure which was lost in the 2019 election.^[9]

The disparity in the value of a vote between prefectural districts in the election ranged up to 3.03 times, leading to nationwide legal challenges.^[10]

Backgroundedit

Following the closing of the 208th session of the National Diet on 15 June 2022, the Second Kishida Cabinet held an extraordinary session to schedule an upper house election in which it was determined that the election would be formally announced to the public on June 22 with the vote to be held on 10 July 2022.^[11]

In May 2018, the government enacted a revision to the Public Offices Election Law that increased the number of seats in the House of Councillors by six, with three new seats being contested in 2019 and the other three being contested in 2022. As such, three new seats — one in the Saitama at-large district and two in the national PR block — were added to the House of Councillors as a result of the election.^[12][13]

A seat in the Kanagawa at-large district was left vacant following the resignation of Shigefumi Matsuzawa (independent), who was elected to the House of Councillors in the 2019 election. Matsuzawa resigned from his seat in the House of Councillors to run in the 2021 Yokohama mayoral election, for which he came in fifth.^[14][15][16] Since the seat was not eligible for a by-election, a merger election was held as a part of this election. This was the first time in 30 years - since the Saitama at-large district held one as part of the 1992 election - that a merger election was held. As a result, the Kanagawa at-large district elected five members this election instead of four, with the fifth-place winner serving for only three years instead of six.^[17] Furthermore, in October 2021, Kenji Nakanishi (Liberal Democratic), who was elected to the House of Councillors from the Kanagawa at-large district in the 2016 election, resigned his seat to compete in the 2021 Japanese general election for a seat in the House of Representatives, leaving his seat in the House of Councillors vacant prior to this election as well.^[18]

The "Special Postal Voting" system - put in place by the Corona Postal Voting Act passed in response to the global COVID-19 pandemic - was still in effect during this election. This system secured voting opportunities for those who could not vote in-person due to the pandemic. It was the first time the "Special Postal Voting" system was used for a House of Councillors election.^[19] In addition, a revision to the Public Offices Election Act was passed in April 2022 that allowed for party political broadcasts to be made through FM broadcasting.^[20]

On 8 July 2022, former Prime Minister Shinzo Abe (served 2006–2007 and 2012–2020) was assassinated in Nara City while delivering a campaign speech for Kei Satō, a member of the House of Councillors running for reelection. The assassination took place just two days before the election.^[3] In response, some candidates from the Liberal Democratic Party and other political parties canceled their campaign events on that day.^[21][22] Prime Minister Kishida denounced the assassination as an attack on Japan's democracy and vowed to defend a "free and fair election at all cost".^[4] In a post-election survey, 62.5 percent of the voters said their votes were not swayed by the assassination, while 15.1 percent said they were.^[5]

At 20:00 (8pm) JST on July 10, when the voting ended, various media outlets across Japan - including NHK and Japan's five major commercial broadcasting networks (Nippon TV, TV Asahi, TBS TV, TV Tokyo, and Fuji TV) - all reported the results of the exit poll all at once. It was reported that the ruling Liberal Democratic Party and their coalition partner Komeito won significantly more seats than was needed for a majority, while the opposition parties of the Constitutional Democratic Party, Democratic Party For the People, and the Japanese Communist Party all lost seats. In addition, the Nippon Ishin no Kai (also known as the Innovation Party or the Restoration Party) was also projected to gain seats, and the exit poll projected that several independents would acquire seats as well.^[23][24]

The Democratic Party For the People had been described as "cozying up" to the Liberal Democratic Party (LDP).^[25] The lack of policy agreements and electoral pacts led to more opposition candidates contesting in single-seat prefectural districts.^[26][27]

Pre-election Compositionedit

Electoral systemedit

75 members were elected by single non-transferable vote (SNTV) and first-past-the-post (FPTP) voting in 45 multi-member and single-member prefectural electoral districts. The nationwide district elected 50 members by D'Hondt proportional representation with optionally open lists; the previous most open list system was modified in 2018 to give parties the option to prioritize certain candidates over the voters' preferences in the proportional election.^[28][29]

Opinion pollsedit

Proportional voting intentionedit

Graphs are unavailable due to technical issues. There is more info on Phabricator and on MediaWiki.org.

Seat projectionsedit