2010 Japanese House of Councillors election

The 22nd Elections to the House of Councillors (第22回参議院議員通常選挙, Dainijūnikai Sangiingiin Tsūjōsenkyo) for the upper house of the legislature of Japan were held on July 11, 2010. In the last election in 2007, the Liberal Democratic Party (LDP) lost its majority to the Democratic Party (DPJ), which managed to gain the largest margin since its formation in 1996.[1] The House of Councillors is elected by halves to six-year terms. The seats up for election in 2010 were last contested in the 2004 election.

2010 Japanese House of Councillors election

July 11, 2010

121 (of the 242) seats in the House of Councillors
122 seats needed for a majority
  First party Second party Third party
Leader Naoto Kan Sadakazu Tanigaki Natsuo Yamaguchi
Party Democratic Liberal Democratic Komeito
Leader since 4 June 2010 28 September 2009 8 September 2009
Last election 109 seats, 39.5% 83 seats, 28.1% 20 seats, 13.2%
Seats after 106 84 19
Seat change 10 13 2
Popular vote 18,450,139 14,071,671 7,639,433
Percentage 31.6% 24.1% 13.1%
Swing 7.9% 4.0% 0.1%

  Fourth party Fifth party Sixth party
Leader Yoshimi Watanabe Kazuo Shii Mizuho Fukushima
Party Your Communist Social Democratic
Leader since 8 August 2009 24 November 2000 15 November 2003
Last election New party 7 seats, 7.5% 5 seats, 4.5%
Seats after 11 6 5
Seat change 10 1 1
Popular vote 7,943,649 3,563,556 2,242,735
Percentage 13.6% 6.1% 3.8%
Swing N/A 1.4% 0.7%

  Seventh party Eighth party Ninth party
Leader Takeo Hiranuma Shizuka Kamei Yōichi Masuzoe
Party Sunrise People's New New Renaissance
Leader since 10 April 2010 31 August 2009 23 April 2010
Last election New party 4 seats, 2.2% New party
Seats after 3 3 2
Seat change 0 3 4
Popular vote 1,232,207 1,000,036 1,172,395
Percentage 2.1% 1.7% 2.0%
Swing N/A 0.5% N/A

Seats won by

- LDP - DPJ – NKP – JCP - SDP - YP - SPJ


President of the House of Councillors before election

Satsuki Eda

Elected President of the House of Councillors

Takeo Nishioka

This article is part of a series on the
politics and government of
Japan portal


On 11 June 2008, a non-binding censure motion was passed by parliament's opposition-controlled House of Councillors against then Prime Minister Yasuo Fukuda. Filed by the DPJ and two other parties, it was the first censure motion against a prime minister under Japan's post-war constitution. Ahead of the G8 summit, it attacked his handling of domestic issues including an unpopular medical plan and called for a snap election or his resignation. On 12 June a motion of confidence was passed by the lower house's ruling coalition to counter the censure.[2][3][4] Fukuda abruptly announced he was retiring as leader. Taro Aso won the subsequent election, which was held on 22 September 2008.[5]

In the 2009 lower house election, the DPJ gained an historic majority, being the first non-LDP party to hold a majority in that house since the LDP's formation[6] and is scheduled to lead the second non-LDP government in the aforementioned time period (with upper house allies the Social Democratic Party of Japan and the People's New Party[7]). Following the election, Aso resigned as LDP president. Sadakazu Tanigaki was elected the leader of LDP on September 28, 2009.[8]

The House of Councillors election in 2010 was viewed as potentially leading to the extinction of the LDP. Some of the LDP's most popular councillors, such as Yoichi Masuzoe and Kaoru Yosano, left the party prior to the election. However, the DPJ's popularity had been negatively impacted by fundraising scandals surrounding its president Yukio Hatoyama and secretary general Ichiro Ozawa, both of whom resigned on June 2, 2010. Naoto Kan became prime minister after Hatoyama's resignation and proposed a controversial increase in the consumption tax to shore up Japanese public finances. The campaign season was only three weeks long, which frustrated efforts to have policy debates between the two major parties and the numerous third parties in the election.[9]

Election results

The result of the election was declared on July 12, 2010. The ruling DPJ lost many of its seats and the opposition LDP gained more seats in comparison to the last election, held in 2007. Your Party performed well in this election, while the DPJ's junior coalition partner, the People's New Party, performed poorly.[10]

106 3 1 11 6 10 2 19 84
Democratic Party (Japan, 1998) P
Liberal Democratic Party
 Summary of the 11 July 2010 Japanese House of Councillors election results[11]
Alliances and parties Prefectural constituency voteNational PR vote Elected in 2010Seats
not up
Total seats+/−[12]
Votes%Seats+/− [12] Votes%Seats+/− [12]
   Democratic Party (DPJ) Minshutō – 民主党 22,756,000.34238.97%288 18,450,139.05931.56%162 446210610
People's New Party (PNP) Kokuminshintō – 国民新党 167,555.0000.29%02 1,000,036.4921.71%01 0333
New Party Nippon (NPN) Shintō Nippon – 新党日本 no candidate 011[13]0
DPJ–PNP Coalition 22,923,555.34239.25%2810 19,450,175.55133.27%163 446611013
   Liberal Democratic Party (LDP) Jiyū-Minshutō - 自由民主党 : Jimintō – 自民党 19,496,083.00033.38%3914 14,071,671.42224.07%121 51338413
New Komeito Party (NKP) Kōmeitō – 公明党 2,265,818.0003.88%30 7,639,432.73913.07%62 910192
New Renaissance Party (NRP) Shintō Kaikaku – 新党改革 625,431.0001.07%03 1,172,395.1902.01%11 1124
LDP–NKP—NRP Coalition (Opposition) 22,387,332.00038.33%4211 22,883,529.35139.15%194 61441057
Your Party (YP) Minna no Tō – みんなの党 5,977,391.48510.24%33 7,943,649.36913.59%77 1011110
Japanese Communist Party (JCP) Kyōsantō – 共産党 4,256,400.0007.29%00 3,563,556.5906.10%31 3361
Social Democratic Party (SDP) Shamintō – 社民党 602,684.0001.03%00 2,242,735.1553.84%20 2240
Sunrise Party of Japan (SPJ) Tachini – たち日 328,475.0000.56%01 1,232,207.3362.11%11 1230
Happiness Realization Party (HRP) Kōfuku – 幸福 291,810.0000.50%00 229,026.1620.39%00 0110
Independents[14] 1,314,313.0272.25%02 0222
Other parties 318,847.0000.55%00 908,582.9241.55%00 0000
Total (turnout 57.92%) 58,400,807.899 100.0% 73 1 58,453,432.438 100.0% 48 0 121 121 242 1

DPJ nomination strategy in multi-member districts

DPJ secretary-general Ichirō Ozawa had decided on an offensive strategy for nominating candidates in multi-member districts (MMDs): The DPJ was to nominate two candidates in all MMDs with the exceptions of Niigata where an SDP-affiliated independent incumbent was in the race and Fukuoka where a PNP incumbent sought reelection. This strategy was reaffirmed after Ozawa's resignation in June 2010[15] even though the DPJ's support rate had significantly fallen by then and winning both seats in a SNTV two-member district requires a very high margin in terms of party votes and an equal distribution of votes on the two candidates.

The strategy failed: all two-member districts split seats evenly between DPJ and LDP in 2010. In some districts the party even risked losing both seats due to vote splitting,[16] a danger that did not materialize in the election result.

The LDP on the other hand nominated only one candidate per MMD – exceptions being Miyagi, Chiba and Tokyo –, thus concentrating all LDP votes on one candidate.

The election results in MMDs gave 20 seats to the DPJ, 18 to the LDP, three to the Kōmeitō and three to Your Party. The only districts where the DPJ won two seats and an advantage in seats over the LDP were Tokyo (5 seats) where administrative reform minister Renhō received a record 1.7 million votes and Toshio Ogawa ranked fourth and DPJ stronghold Aichi (3 seats) where DPJ candidates only finished second and third behind LDP newcomer Masahito Fujikawa.

LDP gains

Part of the LDP victory were the results in the 29 single-member districts where the DPJ received roughly 7 million votes winning eight districts while the LDP received 8.25 million votes and 21 seats, among them seven pickups compared to the pre-election composition of the chamber:

  • Aomori, Akita, Tottori and Nagasaki from the DPJ
  • Kagawa and Tokushima from the NRP, both from former LDP members, and
  • Tochigi which had been a two-member district until 2010 with seats held by DPJ and NRP.

The LDP also gained seven additional seats in two-member districts, but exclusively seats it had previously lost by party switchovers or resignations:

  • in Hokkaidō from the Sunrise Party,
  • in Niigata where Naoki Tanaka had switched parties together with his wife Makiko from an SDP-affiliated independent,
  • in Gifu from an ex-LDP independent,
  • in Nagano a vacant seat previously held by the LDP,
  • in Hiroshima and Fukuoka from the PNP and
  • only in Shizuoka directly from the DPJ where the Democrats had held both seats up because of the resignation of Yukiko Sakamoto in 2009 and the DPJ's victory in the resulting by-election.

The vote in the districts with three (Saitama, Chiba, Kanagawa, Aichi, Ōsaka) or five (Tōkyō) seats up went clearly to the DPJ with a 3.5 million vote edge over the LDP, but produced only a two-seat difference in the House of Councillors: the LDP won six, the DPJ eight seats.

If compared to the 2004 election when the same class of Councillors was last elected, the LDP only gained five prefectural district seats and lost three seats in the nationwide proportional representation.

Complete list of prefectural races

Elected candidates in bold


  • All incumbents not running for re-election in their prefectural electoral district are counted as retirements even if they ran in the nationwide proportional representation
  • Miyagi is counted as an LDP hold because Ichikawa was an LDP member and remained with the LDP parliamentary group up to the election. He ran as an independent after failing to gain the party's official nomination in Miyagi.
Northern Japan
Prefecture Seats up Incumbents Party Result Candidates
(Party – endorsements)
Vote share
Hokkaidō 2 Yoshio Nakagawa Sunrise Incumbents retired
Democratic hold
Liberal Democratic pickup
Gaku Hasegawa (LDP) 34.3%
Eri Tokunaga (DPJ – PNP, NPD) 25.6%
Masahi Fujikawa (DPJ) 20.5%
Ken'ichi Nakagawa (YP) 11.6%
Kazuya Hatayama (JCP) 7.2%
Makoto Ōbayashi (HRP) 0.8%
Naoki Minezaki Democratic
Aomori 1 Masami Tanabu Democratic Incumbent retired
Liberal Democratic pickup
Tsutomu Yamazaki (LDP) 46.8%
Rina Hatano (DPJ – PNP) 36.3%
Sekio Masuta (SPJ) 8.0%
Yō Yoshimata (JCP) 5.1%
Kiyohiko Yamada (SDP) 3.9%
Iwate 1 Ryō Shuhama Democratic Incumbent re-elected Ryō Shuhama (DPJ – PNP) 54.2%
Yukifumi Takahashi (LDP) 30.4%
Masahiro Isawa (SDP) 8.5%
Sadakiyo Segawa (JCP) 6.9%
Miyagi 2 Ichirō Ichikawa Liberal Democratic
(see note)
Liberal Democratic incumbent lost re-election
Democratic incumbent re-elected
Liberal Democratic hold
Yutaka Kumagai (LDP) 26.8%
Mitsuru Sakurai (DPJ – PNP) 24.4%
Hiromi Itō (DPJ – PNP) 16.5%
Ichirō Ichikawa (I) 11.0%
Fumihiro Kikuchi (YP) 10.8%
Tetsuo Kanno (SDP) 5.2%
Mikio Katō (JCP) 4.5%
Yoshiaki Murakami (HRP) 0.7%
Mitsuru Sakurai Democratic
Akita 1 Yōetsu Suzuki Democratic Incumbent lost re-election
Liberal Democratic pickup
Hiroo Ishii (LDP) 55.6%
Yōetsu Suzuki (DPJ) 38.3%
Kazuhisa Fujita (JCP) 6.1%
Yamagata 1 Kōichi Kishi Liberal Democratic Incumbent re-elected Kōichi Kishi (LDP) 43.6%
Yōsei Umetsu (DPJ) 36.8%
Hiroaki Kawano (YP) 14.6%
Toshio Ōta (JCP) 5.0%
Fukushima 2 Teruhiko Mashiko Democratic Incumbents re-elected Teruhiko Mashiko (DPJ) 34.4%
Mitsuhide Iwaki (LDP) 34.1%
Mitsunori Okabe (DPJ) 15.6%
Kazumasa Sugamoto (YP) 9.4%
Tomo Iwabuchi (JCP) 6.5%
Mitsuhide Iwaki Liberal Democratic
Eastern and Central Japan
Prefecture Seats up Incumbents Party Result Candidates
(Party – endorsements)
Vote share
Ibaraki 2 Hiroshi Okada Liberal Democratic Incumbents re-elected Hiroshi Okada (LDP) 38.7%
Akira Gunji (DPJ) 23.8%
Tomohiro Nagatsuka (DPJ) 15.9%
Shigenori Ōkawa (YP) 11.7%
Rie Yoshida (SPJ) 5.1%
Nobutoshi Inaba (JCP) 3.9%
Kōki Nakamura (HRP) 0.9%
Akira Gunji Democratic
Tochigi 1 Susumu Yanase Democratic 1 seat lost by reapportionment
New Renaissance incumbent retired
Democratic incumbent lost re-election
Liberal Democratic pickup
Michiko Ueno (LDP) 36.2%
Susumu Yanase (DPJ – PNP) 35.6%
Daiju Araki (YP) 25.0%
Kazunori Koike (JCP) 3.2%
Tetsurō Yano New Renaissance
Gunma 1 Yukio Tomioka Democratic 1 seat lost by reapportionment
Democratic incumbent lost re-election
Liberal Democratic incumbent re-elected
Hirofumi Nakasone (LDP) 60.6%
Yukio Tomioka (DPJ) 31.2%
Setsuko Takahashi (JCP) 8.2%
Hirofumi Nakasone Liberal Democratic
Saitama 3 Chiyako Shimada Democratic Liberal Democratic and Justice incumbents re-elected
Democratic incumbent lost re-election
Democratic hold
Masukazu Sekiguchi (LDP) 20.6%
Makoto Nishida (Kōmei) 18.7%
Motohiro Ōno (DPJ) 17.5%
Chiyako Shimada (DPJ) 17.1%
Tsukasa Kobayashi (YP) 13.1%
Gaku Itō (JCP) 6.5%
Kōji Nakagawa (NRP) 2.7%
Fumihiro Himori (SDP) 2.3%
Kōsei Hasegawa (I) 1.2%
Hirotoshi Inda (HRP) 0.3%
Masakazu Sekiguchi Liberal Democratic
Makoto Nishida Justice
Chiba 3 Wakako Hironaka Democratic 1 seat gained by reapportionment
Democratic incumbent retired
Liberal Democratic incumbent lost re-election
Democratic and Liberal Democratic hold
Your pickup
Hiroyuki Konishi (LDP) 20.2%
Kuniko Inoguchi (DPJ) 19.3%
Ken'ichi Mizuno (YP) 17.9%
Ayumi Michi (DPJ) 17.4%
Kazuyasu Shiina (LDP) 14.9%
Kazuko Saitō (JCP) 6.2%
Hisashi Koga (NRP) 2.5%
Satoshi Shimizu (JIP) 1.1%
Masahiko Makino (HRP) 0.5%
Kazuyasu Shiina Liberal Democratic
Tokyo 5 Masaharu Nakagawa Liberal Democratic 1 seat gained by reapportionment
Democratic and Liberal Democratic incumbents re-elected
Justice incumbent retired
Justice hold
Your pickup
Renhō (DPJ) 28.1%
Toshiko Takeya (Kōmei) 13.2%
Masaharu Nakagawa (LDP) 11.7%
Toshio Ogawa (DPJ) 11.4%
Kōta Matsuda (YP) 10.8%
Akira Koike (JCP) 9.1%
Yukiko Tōkai (LDP) 4.9%
Hiroshi Yamada (JIP) 3.3%
Asako Ogura (SPJ) 2.0%
Hideo Morihara (SDP) 1.6%
Kōtarō Umiji (NRP) 1.3%
Saori Egi (PNP) 0.9%
Yūmi Ishihara (I) 0.7%
Hiroko Tanaka (I) 0.3 %
Hisshō Yanai (HRP) 0.2%
9 other candidates 0.7%
Toshio Ogawa Democratic
Renhō Murata Democratic
Makoto Nishida Justice
Kanagawa 3 Akio Koizumi Liberal Democratic Democratic (1 of 2) and Liberal Democratic incumbents re-elected
Democratic (1 of 2) incumbent lost re-election
Your pickup
Akio Koizumi (LDP) 25.2%
Kenji Nakanishi (YP) 20.2%
Yōichi Kaneko (DPJ) 19.2%
Keiko Chiba (DPJ) 17.9%
Kimie Hatano (JCP) 7.8%
Eiko Kimura (SDP) 2.9%
Takahiro Kai (NRP) 2.9%
Manabu Matsuda (JSP) 2.4%
Seiichi Yamamoto (I) 1.2%
Bunkō Katō (HRP) 0.3%
Yōichi Kaneko Democratic
Keiko Chiba Democratic
Niigata 2 Masamichi Kondō Independent Democratic incumbent re-elected
Independent incumbent (SDP parliamentary group) lost re-election
Liberal Democratic pickup
Naoki Tanaka (DPJ) 37.9%
Yaichi Nakahara (LDP) 35.5%
Masamichi Kondō (I – SDP) 17.2%
Katsutoshi Takeda (JCP) 6.3%
Satoshi Annaka (I) 2.1%
Ken'ya Kasamaki (HRP) 0.9%
Naoki Tanaka Democratic
Toyama 1 Tsunenori Kawai Liberal Democratic Incumbent retired
Liberal Democratic hold
Kōtarō Nogami (LDP) 56.2%
Yoshihiro Aimoto (DPJ) 39.0%
Wataru Takahashi (JCP) 4.8%
Ishikawa 1 Naoki Okada Liberal Democratic Incumbent re-elected Naoki Okada (LDP) 55.5%
Akira Nishihara (DPJ) 38.5%
Mikiko Chikamatsu (JCP) 6.0%
Fukui 1 Masaaki Yamazaki Liberal Democratic Incumbent re-elected Masaaki Yamazaki (LDP) 51.2%
Kōta Inobe (DPJ) 42.3%
Kazuo Yamada (JCP) 6.5%
Yamanashi 1 Azuma Koshiishi Democratic Incumbent re-elected Azuma Koshiishi (DPJ) 43.0%
Noriko Miyagawa (LDP) 42.2%
Hitoshi Hanada (JCP) 7.4%
Naoyuki Nemoto (I) 4.5%
Takashi Kigawa (I) 2.9%
Nagano 2 Toshimi Kitazawa Democratic Democratic incumbent re-elected
Liberal Democratic pickup
successful "inheritance"
Kenta Wakabayashi (LDP) 26.4%
Toshimi Kitazawa (DPJ) 26.1%
Yōko Takashima (DPJ) 19.6%
Yōsei Ide (YP) 16.6%
Sanae Nakano (JCP) 10.5%
Hiroaki Usuda (HRP) 0.8%
(last held by Liberal Democrat Masatoshi Wakabayashi)
Gifu 2 Iwao Matsuda Independent Independent incumbent retired
Democratic incumbent lost re-election
Democratic hold
Liberal Democratic pickup
Takeyuki Watanabe (LDP) 44.0%
Yoshiharu Komiyama (DPJ) 23.7%
Yasuo Yamashita (DPJ) 22.9%
Masanori Suzuki (JCP) 7.5%
Yukihiko Kanō (HRP) 1.9%
Yasuo Yamashita Democratic
Shizuoka 2 Hirokazu Tsuchida Democratic Democratic incumbent re-elected
Democratic incumbent retired
Liberal Democratic pickup
Shigeki Iwai (LDP) 32.3%
Yūji Fujimoto (DPJ – PNP) 28.3%
Jun'ichi Kawai (YP) 20.9%
Naoko Nakamoto (DPJ – PNP) 12.0%
Hiromi Watanabe (JCP) 5.5%
Yūta Nakano (HRP) 1.0%
Yūji Fujimoto Democratic
Aichi 3 Katsuhito Asano Liberal Democratic Incumbents retired
Democratic and Liberal Democratic hold
Masahito Fujikawa (LDP) 28.6%
Yoshitaka Saitō (DPJ – PNP) 23.4%
Misako Yasui (DPJ – PNP) 21.1%
Michiyao Yakushiji (YP) 16.5%
Nobuko Motomura (JCP) 6.0%
Mitsuko Aoyama (SDP) 3.2%
Hiromi Nakane (HRP) 1.2%
Taisuke Satō Democratic
Yoshitake Kimata Democratic
Mie 1 Hirokazu Shiba Democratic Incumbent re-elected Hirokazu Shiba (DPJ) 40.6%
Kōhei Onozaki (LDP) 33.1%
Yukako Yahara (YP) 20.1%
Takeshi Nakano (JCP) 6.2%
Western Japan
Prefecture Seats up Incumbents Party Result Candidates
(Party – endorsements)
Vote share
Shiga 1 Kumiko Hayashi Democratic Incumbent re-elected Kumiko Hayashi (DPJ) 48.6%
Nobuhide Takemura (LDP) 32.3%
Takashi Kawauchi (JCP) 9.9%
Osamu Konishi (I) 9.1%
Kyōto 2 Tetsurō Fukuyama Democratic Incumbents re-elected Tetsurō Fukuyama (DPJ) 34.3%
Satoshi Ninoyu (LDP) 28.2%
Mariko Narumiya (JCP) 16.6%
Takuya Nakagawa (YP) 11.0%
Mitsue Kawakami (DPJ) 8.7%
Satoko Kitagawa (HRP) 1.1%
Satoshi Ninoyu Liberal Democratic
Ōsaka 3 Motoyuki Odachi Democratic Democratic and Liberal Democratic incumbents re-elected
Justice incumbent retired
Justice hold
Hirotaka Ishikawa (Kōmei) 22.1%
Issei Kitagawa (LDP) 18.1%
Motoyuki Odachi (DPJ) 17.9%
Mari Okabe (DPJ) 15.8%
Taizō Kawahira (YP) 10.0%
Tadashi Shimizu (JCP) 9.4%
Nelson Yoshioki Yamawake (NRP) 2.7%
Akiko Ōkawa (SDP) 2.2%
Yukiko Hamano (JIP) 1.3%
Toshiko Fukata (HRP) 0.5%
Eiichi Yamashita Justice
Issei Kitagawa Liberal Democratic
Hyōgo 2 Shun'ichi Mizuoka Democratic Incumbents re-elected Shinsuke Suematsu (LDP) 29.4%
Shun'ichi Mizuoka (DPJ) 21.8%
Nobuhiko Isaka (YP) 17.6%
Maki Mihashi (DPJ) 17.3%
Terufumi Horiuchi (JCP) 8.4%
Aimi Yoshida (NRP) 4.5%
Yoshiaki Takagi (HRP) 0.9%
Shinsuke Suematsu Liberal Democratic
Nara 1 Kiyoshige Maekawa Democratic Incumbent re-elected Kiyoshige Maekawa (DPJ) 47.6%
Shūzō Yamada (LDP) 39.3%
Atsushi Ōta (JCP) 13.1%
Wakayama 1 Yōsuke Tsuruho Liberal Democratic Incumbent re-elected Yōsuke Tsuruho (LDP) 56.8%
Kumiko Shima (DPJ) 32.7%
Masaya Yoshida (JCP) 10.5%
Tottori 1 Kōtarō Tamura Democratic Incumbent retired
Liberal Democratic pickup
Kazuyuki Hamada (LDP) 50.8%
Mari Sakano (DPJ) 42.6%
Naoyuki Iwanaga (JCP) 6.6%
Shimane 1 Mikio Aoki Liberal Democratic Incumbent retired
Liberal Democratic hold
successful "inheritance"
Kazuhiko Aoki (LDP) 52.9%
Hirotaka Iwata (DPJ) 36.0%
Tomoo Sakurauchi (YP) 6.7%
Ikuhisa Ishitobi (JCP) 4.4%
Okayama 1 Satsuki Eda Democratic Incumbent re-elected Satsuki Eda (DPJ) 54.8%
Mika Yamada (LDP) 37.6%
Yūichi Kawauchi (JCP) 7.6%
Hiroshima 2 Minoru Yanagida Democratic Democratic incumbent re-elected
People's New incumbent retired
Liberal Democratic pickup
successful indirect "inheritance" from Hiroshi Miyazawa
Yōichi Miyazawa (LDP) 45.5%
Minoru Yanagida (DPJ) 24.5%
Kei Nakagawa (DPJ) 21.7%
Osamu Ōnishi (JCP) 6.8%
Mitsuo Uematsu (HRP) 1.5%
Ikuo Kamei People's New
Yamaguchi 1 Nobuo Kishi Liberal Democratic Incumbent re-elected Nobuo Kishi (LDP) 57.8%
Daijirō Harada (DPJ) 35.2%
Daisuke Kisaki (JCP) 7.0%
Tokushima 1 Masakatsu Koike New Renaissance incumbent lost re-election
Liberal Democratic pickup
Yūsuke Nakanishi (LDP) 38.3%
Masuko Yoshida (DPJ) 36.7%
Masakatsu Koike (NRP) 18.2%
Motonoru Furuta (JCP) 4.8%
Akemi Takeo (HRP) 1.0%
Takashi Toyokawa (I) 0.9%
Kagawa 1 Toshio Yamauchi New Renaissance incumbent retired
Liberal Democratic pickup
Yoshihiro Isozaki (LDP) 51.4%
Sumiko Okauchi (I – DPJ, SDP) 41.2%
Hitoshi Fujita (JCP) 7.4%
Ehime 1 Junzō Yamamoto Liberal Democratic Incumbent re-elected Junzō Yamamoto (LDP) 52.7%
Tomoko Okahiro (DPJ) 37.8%
Katsuhiko Tanaka (JCP) 7.7%
Akihiro Kōri (I) 1.8%
Kōchi 1 Hajime Hirota Democratic Incumbent re-elected Satsuki Eda (DPJ) 37.5%
Kōjirō Takano (LDP) 33.8%
Kōhei Tamura (I) 15.6%
Naoaki Haruna (JCP) 10.7%
Toshihisa Fujishima (I) 2.4%
Southern Japan
Prefecture Seats up Incumbents Party Result Candidates
(Party – endorsements)
Vote share
Fukuoka 2 Tsutomu Ōkubo Democratic Democratic incumbent re-elected
People's New incumbent lost re-election
Liberal Democratic pickup
Satoshi Ōie (LDP) 35.3%
Tsutomu Ōkubo (DPJ) 30.7%
Masao Satō (YP) 13.1%
Kaname Tsutsumi (I – DPJ, SDP) 8.0%
Kiyoshi Shinoda (JCP) 6.6%
Gōtarō Yoshimura (PNP) 5.2%
Kazue Yoshitmi (HRP) 1.2%
Gōtarō Yoshimura People's New
Saga 1 Hiromi Iwanaga Liberal Democratic Incumbent retired
Liberal Democratic hold
Takamaro Fukuoka (LDP) 60.5%
Michiko Katsuki (DPJ) 33.8%
Katsuhiro Yamaguchi (JCP) 5.7%
Nagasaki 1 Tadashi Inuzuka Democratic incumbent lost re-election
Liberal Democratic pickup
Genjirō Kaneko (LDP) 48.8%
Tadashi Inuzuka (DPJ) 38.6%
Norihiko Nakashima (YP) 8.6%
Eiko Fuchise (JCP) 4.1%
Kumamoto 1 Yoshifumi Matsumura Liberal Democratic Incumbent re-elected Yoshifumi Matsumura (LDP) 44.2%
Kōichi Honda (DPJ) 39.3%
Akiko Honda (YP) 11.4%
Yasuto Adachi (JCP) 3.4%
Takeo Maeda (JIP) 1.6%
Ōita 1 Shin'ya Adachi Democratic Incumbent re-elected Shin'ya Adachi (DPJ) 48.7%
Kiyoshi Odawara (LDP) 42.6%
Kai Yamashita (JCP) 8.7%
Miyazaki 1 Shinpei Matsushita Liberal Democratic Incumbent re-elected Shinpei Matsushita (LDP) 58.6%
Sō Watanabe (DPJ) 34.5%
Hiromitsu Baba (JCP) 6.9%
Kagoshima 1 Tetsurō Nomura Liberal Democratic Incumbent re-elected Tetsurō Nomura (LDP) 55.0%
Kōichirō Kakiuchi (DPJ) 38.4%
Haruki Yamaguchi (JCP) 6.6%
Okinawa 1 Aiko Shimajiri Liberal Democratic Incumbent re-elected Aiko Shimajiri (LDP) 47.6%
Hiroji Yamashiro (I – SDP) 39.7%
Tadayuki Iju (I – JCP) 10.7%
Tatsurō Kinjō (HRP) 2.0%

Proportional preference vote

Party Party list votes PR votes total PR seats won Top elected PR candidates with preference votes
Democratic Party 14,433,17118,450,139.059 16 Yoshifu Arita373,834.000Ryōko Tani352,594.303Masayuki Naoshima207,821.000
Liberal Democratic Party 10,657,16614,071,671.422 12 Satsuki Katayama299,036.267Yukari Satō278,312.851Eriko Yamatani254,469.000
Your Party 7,229,3917,943,649.369 7 Takumi Shibata87,863.000Katsuhiko Eguchi86,299.000Hiroshi Ueno52,051.578
New Komeito Party 3,555,9707,639,432.739 6 Kōzō Akino836,120.000Hiroaki Nagasawa630,775.977Shin'ichi Yokoyama579,793.000
Japanese Communist Party 3,256,0683,563,556.590 3 Tadayoshi Ichida83,806.000Tomoko Tamura45,668.540Mikishi Daimon43,897.000
Social Democratic Party 1,614,8212,242,735.155 2 Mizuho Fukushima381,554.000Tadatomo Yoshida130,745.822
Sunrise Party of Japan 757,9391,232,207.336 1 Toranosuke Katayama117,636.923
New Renaissance Party 1,050,9771,172,395.190 1 Hiroyuki Arai65,250.743
People's New Party 481,8921,000,036.492 0
Others 823,7661,137,609.086 0

Notable defeated PR candidates included former Tokyo Metropolitan Assemblyman Tarō Hatoyama (NRP, 23,944 votes, rank 2), former Olympic gymnast Yukio Iketani (DPJ, 54,155 votes, rank 27), former Giants manager Tsuneo Horiuchi (LDP, 101,840 votes, rank 13), former Giants infielder Kiyoshi Nakahata (SPJ, 111,597 votes, rank 2) and pro wrestler Osamu Nishimura (PNP, 34,561 votes, rank 3).

See also


  1. NHK ONLINE English
  2. "Censure passed against Japan PM". BBC Online. 2008-06-11. Retrieved 2008-09-08.
  3. "Japan PM humiliated by parliament". afp.google.com. 2008-06-11. Archived from the original on 2008-06-14. Retrieved 2008-09-08.
  4. "Boost for Japan's beleaguered PM". BBC News. 2008-06-12. Retrieved 2008-09-08.
  5. Fackler, Martin (22 September 2008). "Japanese Party Chooses Aso as Leader". The New York Times. Retrieved 2008-09-22.
  6. "'Major win' for Japan opposition". BBC News. 2009-08-30. Retrieved 2009-08-30.
  7. "NHKオンライン". Nhk.or.jp. Archived from the original on 2011-02-04. Retrieved 2010-08-21.
  8. Roland Buerk (2009-9-28) "Japan's LDP chooses a new leader" BBC Tokyo
  9. Cucek, Michael (10 July 2010). "Japan's Meaningless Election". The Diplomat. Retrieved 13 January 2014.
  10. "asahi.com(朝日新聞社):DPJ defeated, coalition loses its majority in Upper House - English". Asahi.com. July 12, 2010. Retrieved August 8, 2010.
  11. Ministry of Internal Affairs and Communications: Results of the 22nd House of Councillors election
  12. compared to the seats held before the election
  13. independent member of the DPJ parliamentary group, not a member of New Party Nippon by the time he took his seat as replacement for Yasuo Tanaka:
  14. includes one OSMP member (not up), and one independent member of the SDP parliamentary group (seat lost in this election)
  15. The Japan Times, June 18, 2010: DPJ sticks to Ozawa election strategy
  16. The Japan Times, July 10, 2010: DPJ shoots itself in foot in Shizuoka. Ozawa's plan to field multiple candidates divides party's electoral base and lets in LDP
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