Tottori-Shimane at-large district

The Tottori-Shimane at-large district (鳥取県・島根県選挙区, Tottori-Shimane senkyoku) is a constituency of the House of Councillors in the Diet of Japan (national legislature). It was formed pursuant to a 2015 revision of the Public Officers Election Law from a merger of the Tottori and Shimane at-large districts, the two smallest districts in the country, to address the imbalance in representation between rural and urban voters.^[1] The district has 1,068,348 registered voters (as of September 2016)^[2] and was contested for the first time at the House of Councillors election that was held on 10 July 2016.

Kazuhiko Aoki of the Liberal Democratic Party was the first councillor elected by the district at the 2016 election. As only half of the house's members are elected at each election, the councillors elected by the Shimane and Tottori districts at the 2013 election will continue to represent their respective prefectures until the next election, due to be held by July 2019. At that time, a second councillor will be elected by the merged district.