Japanese House of Councillors national proportional representation block

House of Councillors proportional district
Sangiin hirei-ku
Parliamentary constituency
for the Japanese House of Councillors
Population127,313,275 (est. 2018)
Electorate105,019,203 (2022)[1]
Current constituency
Created1983
Number of members100 (staggered 2×50)
Created fromHouse of Councillors national district

The Japanese National Proportional Representation Block, known in Japan as the House of Councillors proportional district (参議院比例区, Sangiin hirei-ku) is an electoral district for the House of Councillors, the upper house of the National Diet of Japan. It consists of the whole nation and elects 50 members per election, 100 in total (fully effective after the 2022 regular election), by D'Hondt method proportional representation (PR).

  1. ^ Sōmushō: Results of the 26th regular election (pdf, Japanese), p. 7, retrieved 2023/7/18.

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