The constituency represents the entire population of Toyama Prefecture. The district elects two Councillors to six-year terms, one at alternating elections held every three years. The district has 888,832 registered voters as of September 2015.[1] The Councillors currently representing Toyama are:
^ abcYoshio Nagata was elected to a third term in the election held on 12 July 1998 with 47.7% of the vote but died on 22 August. As his death was within three months of the election, Masaaki Tanibayashi, who placed second in the election with 21.1%, was promoted to the seat as of 1 September 1998. The difference of 137,168 votes is said to be the biggest loss be a candidate who was subsequently promoted.
^"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 13 May 2016.
^"野上 浩太郎(のがみ こうたろう):参議院" [Nogami, Kotaro: House of Councillors] (in Japanese). Retrieved 13 May 2016.
^"堂故 茂(どうこ しげる):参議院" [Douko, Shigeru: House of Councillors] (in Japanese). Retrieved 13 May 2016.
^Satō, Yoshi (令) (December 2005). "Post-War By-Elections"(PDF) (in Japanese). National Diet Library. p. 96. Archived from the original(PDF) on 10 December 2006. Retrieved 13 May 2016.