http://www.sangiin.go.jp/eng/index.htm
The National Diet is composed of two Houses- the House of Councillors and the House of Representatives. All the members of both Houses are elected by national election. The National Diet is the sole law-making organ of the State. As the constitution stipulates it is the highest organ of state power, it plays the leading roles in the administration
http://www.shugiin.go.jp/
Guide to the House, officers of the House, strength of political groups in the House, list of members, etc.
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