Niigata's Diet electoral districts

Niigata currently sends 12 elected members to the Diet of Japan, 10 to the House of Representatives and 2 to the House of Councillors. The prefecture lost 1 Councillor due to reapportionment in 2019.

House of Representatives
The current House of Representatives Niigata delegation consists of 6 members of the LDP, 3 members of the CDP and 1 independent politician..

House of Councillors
The current House of Councillors Niigata delegation consists of 1 member of the CDP and 1 member of the LDP. The members are elected from the Niigata at-large district.