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Last updated : Nov 2009
Japan Government
Japan Government - TravelPuppy.com
The Japanese parliament is the bicameral Kokkai (or Diet). The upper house (Sangi-in) contains 252 members elected directly from constituencies to serve 6-year terms (half of which are renewed every 3 years). The lower house (Shugi-in) has 500 members elected for 4-year terms some by single-seat constituencies, some by proportional representation.

The Diet validates the appointment of a prime minister who has executive power with the assistance of a cabinet of ministers. The appointment of the prime minister is formally entrusted to the Emperor who is head of State but has negligible constitutional powers.
Useful travel link
House of Representatives Japan House of Representatives web site
Prime Minister's Official the Prime Minister's official web site