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Japan Lower House max vote-value gap tops 2 times

Tokyo, Nov. 30 (Jiji Press)–The maximum vote-value disparity among single-seat constituencies for Japan’s House of Representatives exceeded two times, according to the revised 2020 national census data released by the internal affairs ministry on Tuesday.


The maximum gap was seen between the No. 22 constituency in Tokyo, which had the largest number of citizens, at 574,264, and the No. 2 constituency in Tottori Prefecture, which had the smallest, at 273,973.


The value of a single vote in the Tottori constituency was 2.096 times greater than that in the Tokyo constituency. The figure was higher than the 2.094 times calculated with preliminary census data.


There were 22 other Lower House constituencies whose vote-value gaps with the Tottori No. 2 constituency topped two times, the level that courts are believed to refer to when they rule whether the gaps are unconstitutional.


For the House of Councillors, the maximum vote-value disparity came to 3.031 times, between Miyagi, which had the highest number of citizens per Upper House seat, at 1,141,272, and Fukui, which had the lowest figure of 376,534. The disparity was up from the preliminary figure of 3.026 times.


Based on the revised census data, the Lower House council on the rezoning of constituencies will compile a new rezoning plan and submit it to Prime Minister Fumio Kishida by June next year.


Japan is set to introduce the so-called Adams’s method to correct vote-value gaps. Based on the method, a total of 10 Lower House seats are expected to be added to Tokyo and four other prefectures, while 10 seats will be removed from 10 other prefectures. This measure is seen bringing the maximum disparity to 1.697 times.

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