The constituency represents the entire population of Yamanashi Prefecture. The district elects two Councillors to six-year terms, one at alternating elections held every three years. The district has 692,001 registered voters as of September 2015.[2] The Councillors currently representing Yamanashi are:
^"総務省|令和4年9月1日現在選挙人名簿及び在外選挙人名簿登録者数" [Ministry of Internal Affairs and Communications - Number of registered voters as of 1 September 2022] (in Japanese). Retrieved 2023-01-04.
^"平成27年9月2日現在選挙人名簿及び在外選挙人名簿登録者数" [Number of resident and non-resident enrolled voters as of 2 September 2015] (in Japanese). 28 December 2015. Retrieved 16 May 2016.
^"輿石 東(こしいし あずま):参議院" [Koshiishi, Azuma: House of Councillors] (in Japanese). Retrieved 16 May 2016.
^Satō, Yoshi (令) (December 2005). "Post-War By-Elections"(PDF) (in Japanese). National Diet Library. p. 91. Archived from the original(PDF) on 10 December 2006. Retrieved 16 May 2016.