Japan Legislative branch

Legislative branch: bicameral Diet or Kokkai consists of the House of Councillors or Sangi-in (242 seats - members elected for fixed six-year terms; half reelected every three years; 146 members in multi-seat constituencies and 96 by proportional representation) and the House of Representatives or Shugi-in (480 seats - members elected for maximum four-year terms; 300 in single-seat constituencies; 180 members by proportional representation in 11 regional blocs); the prime minister has the right to dissolve the House of Representatives at any time with the concurrence of the cabinet.
elections: House of Councillors - last held 29 July 2007 (next to be held in July 2010); House of Representatives - last held 30 August 2009 (next to be held by August 2013)
election results: House of Councillors - percent of vote by party - NA; seats by party - DPJ 109, LDP 83, Komeito 20, JCP 7, SDP 5, others 18
House of Representatives - percent of vote by party (in single-seat constituencies) - DPJ 42.4%, LDP 26.7%, Komeito 11.5%, JCP 7.0%, SDP 4.3%, others 8.1%; seats by party - DPJ 308, LDP 119, Komeito 21, JCP 9, SDP 7, others 16 (2009)

Definition: This entry contains information on the structure (unicameral, bicameral, tricameral), formal name, number of seats, and term of office. Elections includes the nature of election process or accession to power, date of the last election, and date of the next election. Election results includes the percent of vote and/or number of seats held by each party in the last election.

Source: CIA World Factbook - Unless otherwise noted, information in this page is accurate as of September 17, 2009