2016 Japanese House of Councillors election

2016 Japanese House of Councillors election

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121 of the 242 seats in the House of Councillors
122 seats needed for a majority
  First party Second party Third party
 
Shinzō_Abe_20120501_(cropped).jpg
Okada_Katsuya_Daijin_1.jpg
Natsuo Yamaguchi.jpg
Leader Shinzō Abe Katsuya Okada Natsuo Yamaguchi
Party LDP Democratic Komeito
Last election 115 seats New party 20 seats
Seats after 121 49 25
Seat change Increase 6 New Increase 5
Popular vote 20,114,788 14,215,956 7,572,960
Percentage 35.91% 20.98% 13.52%
Swing Increase 1.23pp New Decrease 0.70pp

  Fourth party Fifth party
 
Kazuo_Shii_cropped.jpg
Ichiro Matsui and Toranosuke Katayama.png
Leader Kazuo Shii Ichiro Matsui
Toranosuke Katayama
Party JCP Ishin
Last election 11 seats -
Seats after 14 12
Seat change Increase 3 New
Popular vote 6,016,194 5,153,684
Percentage 10.74% 9.20%
Swing Increase 4.64pp New

Constituency and proportional representation results

President of the House of Councillors before election

Masaaki Yamazaki
LDP

Elected President of the House of Councillors

Chūichi Date
LDP

House of Councillors elections were held in Japan on Sunday 10 July 2016 to elect 121 of the 242 members of the House of Councillors, the upper house of the National Diet, for a term of six years. As a result of the election, the Liberal Democratic PartyKomeito coalition gained ten seats for a total of 145 (60% of all seats in the house), the largest coalition achieved since the size of the house was set at 242 seats.[1]

76 members were elected by single non-transferable vote (SNTV) and first-past-the-post (FPTP) voting in 45 multi- and single-member prefectural electoral districts; for the first time, there were two combined (gōku) single-member districts consisting of two prefectures each, Tottori-Shimane and Tokushima-Kōchi. This change and several other reapportionments were part of an electoral reform law passed by the Diet in July 2015 designed to reduce the maximum ratio of malapportionment in the House of Councillors below 3.[2][3] The nationwide district which elects 48 members by D'Hondt proportional representation with most open lists remained unchanged.

The elections were the first national election after the 2015 change to the Public Offices Election Act, which allowed people from 18 years of age to vote in national, prefectural and municipal elections and in referendums. The legal voting age prior to the change was 20.[4]

  1. ^ "Ruling camp holds over 60% of seats". The Japan News. Yomiuri Shimbun. 11 July 2016. Archived from the original on 20 July 2016. Retrieved 12 July 2016.
  2. ^ The Japan Times, July 28, 2015: Upper House districts set for shake-up after electoral reform laws pass Diet
  3. ^ Ministry of Internal Affairs and Communications, August 5, 2015: Changes to House of Councillors electoral districts, Summary (Japanese)
  4. ^ Asahi Shimbun, June 17, 2015: http://www.asahi.com/articles/ASH6J41T7H6JUTFK001.html 18歳選挙権、成立 来夏の参院選から適用へ

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