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A group of lawyers filed a lawsuit on Monday seeking to nullify the results of Sunday’s House of Representatives election in all 289 single-seat constituencies, arguing that the polls were unconstitutional due to disparities in vote value.
The group, led by Hidetoshi Masunaga, filed the petition before 14 high courts and high court branches across Japan.
Another group of lawyers, including Michihiko Misao, filed a similar lawsuit the same day, questioning the election results in selected constituencies in Tokyo and the western prefecture of Hiroshima, as well as in the Tokyo proportional representation bloc.
Data from election boards nationwide showed that the third constituency of the northernmost prefecture of Hokkaido had the largest number of eligible voters, totaling 462,088 as of Sunday.
In contrast, the first constituency of the western prefecture of Tottori recorded the smallest electorate, with 220,368 eligible voters.
The vote-value disparity between the two districts stood at 2.10 to 1, slightly higher than the maximum gap of 2.06 recorded in the previous lower house election in 2024.
No revisions were made to the lower house electoral system between the two elections. (Jiji Press)
