Commission on the Constitution

Commission on the Constitution

(As of November 18,2018)


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・VP
Director OKADA Naoki LDP・VP
Director NINOYU Takeshi LDP・VP
Director NISHIDA Shoji LDP・VP
Director NISHIDA Makoto KP
Director HAKU Shinkun CDP
Director OSHIMA Kusuo DPFP-SR
Director NIHI Sohei JCP
Director ASADA Hitoshi JIP
  ADACHI Toshiyuki LDP・VP
  ADACHI Masashi LDP・VP
  AICHI Jiro LDP・VP
  ARIMURA Haruko LDP・VP
  ISHII Junichi LDP・VP
  ISHII Masahiro LDP・VP
  UTO Takashi LDP・VP
  KITAMURA Tsuneo LDP・VP
  KOGA Yuichiro LDP・VP
  TAKINAMI Hirofumi LDP・VP
  NAKASONE Hirofumi LDP・VP
  NAKANISHI Yusuke LDP・VP
  NAGAMINE Makoto LDP・VP
  NINOYU Satoshi LDP・VP
  HAYASHI Yoshimasa LDP・VP
  FUJISUE Kenzo LDP・VP
  FURUKAWA Toshiharu LDP・VP
  MATSUKAWA Rui LDP・VP
  YAMASHITA Yuhei LDP・VP
  YAMATANI Eriko LDP・VP
  ITO Takae KP
  YAKURA Katsuo KP
  YAMAMOTO Kanae KP
  YAMAMOTO Hiroshi KP
  OGAWA Toshio CDP
  KAZAMA Naoki CDP
  KAMIMOTO Mieko CDP
  KONISHI Hiroyuki CDP
  ONO Motohiro DPFP-SR
  TOKUNAGA Eri DPFP-SR
  MASHIKO Teruhiko DPFP-SR
  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.