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List of members of the Diet of Japan

This is a list of members of the Diet of Japan. The Diet has two chambers: the House of Councillors (upper house) and the House of Representatives (lower house). Councillors serve six year terms, with half being elected every three years. Representatives serve terms of up to four years, but the House of Representatives can be dissolved, causing a shorter term (snap election).

House of Representatives

Below are lists of representatives elected in Japanese general elections since 2003.

Composition

The following table lists members of the House of Representatives by constituency and as of 18 February 2026. The elected party column shows the party under which each member was elected; the parliamentary group column shows their current parliamentary group membership, which may differ.

Notes:

  • Not all members of a parliamentary group are necessarily members of the associated party/parties if any, and vice versa. For example, the Speaker and Vice-Speaker of the House of Representatives are independents in terms of parliamentary group membership, but not independents in terms of party membership.

House of Councillors

Composition

List of members by parliamentary group and constituency:

Notes:

  • Not all members of a caucus are also members of the affiliated party, and sometimes even some members of a party are not member of the affiliated caucus.

Members

References

External links

See also