Commission on the Constitution

Commission on the Constitution

(As of December 10,2017)


The Commission on the Constitution conducts wide-ranging and integrated research on the Constitution of Japan and basic laws closely related to the Constitution of Japan, and conducts deliberations on bills to amend the Constitution, initiations of amendments related to the Constitution of Japan and bills related to a national referendum.

Title Name Political Groups
Chairman YANAGIMOTO Takuji LDP・PJK
Director ISOZAKI Yoshihiko LDP・PJK
Director OKADA Naoki LDP・PJK
Director NINOYU Takeshi LDP・PJK
Director NISHIDA Shoji LDP・PJK
Director MAITACHI Shouji LDP・PJK
Director KONISHI Hiroyuki DP-SR
Director HAKU Shinkun DP-SR
Director NISHIDA Makoto KP
Director NIHI Sohei JCP
Director ASADA Hitoshi JIP
  ADACHI Toshiyuki LDP・PJK
  ADACHI Masashi LDP・PJK
  AICHI Jiro LDP・PJK
  ARIMURA Haruko LDP・PJK
  ISHII Masahiro LDP・PJK
  KITAMURA Tsuneo LDP・PJK
  KOGA Yuichiro LDP・PJK
  TAKANO Kojiro LDP・PJK
  TAKINAMI Hirofumi LDP・PJK
  TSUKADA Ichiro LDP・PJK
  DOKO Shigeru LDP・PJK
  NAKASONE Hirofumi LDP・PJK
  NINOYU Satoshi LDP・PJK
  FURUKAWA Toshiharu LDP・PJK
  MATSUKAWA Rui LDP・PJK
  MATSUMURA Yoshifumi LDP・PJK
  YAMASHITA Yuhei LDP・PJK
  YAMATANI Eriko LDP・PJK
  ARITA Yoshifu DP-SR
  ITO Takae DP-SR
  ISHIBASHI Michihiro DP-SR
  KAZAMA Naoki DP-SR
  FUJITA Yukihisa DP-SR
  MAKIYAMA Hiroe DP-SR
  MIYAZAWA Yuka DP-SR
  ITO Takae KP
  UOZUMI Yuichiro KP
  SASAKI Sayaka KP
  YAMAMOTO Hiroshi KP
  KIRA Yoshiko JCP
  YAMAZOE Taku JCP
  AZUMA Toru JIP
  FUKUSHIMA Mizuho HC
  MATSUZAWA Shigefumi TPH

The names of the political groups in the house, have been abbreviated on this page using unofficial abbreviations. 'None' indicates the house member who is not affiliated with a political group. For the official names of the political groups, please click here.