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List of current members of the House of Councillors

List of current members of the House of Councillors is a list of members of the House of Councillors in Japan's Upper House Members. The House of Councillors consists of 248 seats, 148 in constituencies and 100 in national proportional representation block.

Term of Office

The term of office of members of the House of Councillors is six years, but half of them are elected every three years, so even if the House of Councillors election is held on the same day as the House of Representatives general election, half of them exist in the House of Councillors.

Parliamentary groups

As of February 15, 2026, after the 220th National Diet session.

Vacancies

  • Tokyo: Taro Yamamoto (Reiwa)
  • Seat has been vacant since Yamamoto's resignation on January 21, 2026 due to poor health. No by-election has been held per the Public Offices Election Act; the threshold of one-quarter of district seats has not been met.

Members in Constituencies

Members in six-member constituencies

Members in four-member constituencies

Members in three-member constituencies

Members in two-member constituencies

Members in single-member constituencies

Members in National Proportional Representation block

Class of 2022

Class of 2025

See also

References