2010 Japanese House of Councillors election

2010 Japanese House of Councillors election

← 2007 July 11, 2010 2013 →
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 LDP Komeito Last election 109 seats, 39.5% 83 seats, 28.1% 20 seats, 13.2% Seats after 106 84 19 Seat change 3 1 1 Popular vote 18,450,139 14,071,671 7,639,433 Percentage 31.6% 24.1% 13.1% Swing 7.9pp 4.0pp 0.1pp   Fourth party Fifth party Sixth party   Leader Yoshimi Watanabe Kazuo Shii Mizuho Fukushima Party Your JCP Social Democratic Last election – 7 seats, 7.5% 5 seats, 4.5% Seats after 11 6 4 Seat change New 1 1 Popular vote 7,943,649 3,563,556 2,242,735 Percentage 13.6% 6.1% 3.8% Swing New 1.4pp 0.7pp   Seventh party Eighth party Ninth party   Leader Takeo Hiranuma Shizuka Kamei Yōichi Masuzoe Party Sunrise People's New New Renaissance Last election – 4 seats, 2.2% – Seats after 3 3 2 Seat change New 3 New Popular vote 1,232,207 1,000,036 1,172,395 Percentage 2.1% 1.7% 2.0% Swing New 0.5pp New
Constituency and proportional representation (bottom right) election result
President of the House of Councillors before election Satsuki Eda Democratic Elected President of the House of Councillors Takeo Nishioka Democratic

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House of Councillors elections were held in Japan on July 11, 2010. In the previous elections in 2007 the Liberal Democratic Party (LDP) had 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.