Key Facts
• July 20, 2025: Sakuyo Uchikoshi (Constitutional Democratic Party) wins Niigata Upper House election.
• Uchikoshi secures her second term, defeating Olympic medalist Mai Nakamura (Liberal Democratic Party).
• Uchikoshi’s campaign faced challenges due to low public recognition despite being an incumbent.
• Opposition alliance showed cracks; Democratic Party for the People (DPP) withheld full support.
• DPP focused on proportional representation, doubling its votes in Niigata compared to the previous election.
• Rengo Niigata demanded exclusion of the Communist Party from Uchikoshi’s campaign.
• Uchikoshi emphasized inflation control, tax cuts on food, and agricultural support in speeches.
• Constitutional Democratic Party leader Yoshihiko Noda visited Niigata three times to boost Uchikoshi’s campaign.
• Uchikoshi’s stance on nuclear power: no restart of Kashiwazaki-Kariwa plant without local consent.
• Final vote margin: approximately 10,000 votes, marking a narrow victory.
• Communist Party provided independent support, while DPP offered limited, individual backing.
• Veteran lawmaker Makiko Kikuta urged Uchikoshi to improve grassroots engagement post-election.
Summary
Sakuyo Uchikoshi of the Constitutional Democratic Party narrowly secured her second term in Niigata’s Upper House election, defeating Liberal Democratic Party candidate Mai Nakamura by approximately 10,000 votes. Despite being an incumbent, Uchikoshi faced low public recognition, prompting a fragile opposition alliance to rally behind her. The Democratic Party for the People withheld full support, focusing instead on proportional representation gains. Rengo Niigata demanded the exclusion of the Communist Party from Uchikoshi’s campaign, though the latter provided independent support. Uchikoshi’s campaign emphasized inflation control, food tax cuts, and agricultural policies, while also addressing nuclear power concerns. Constitutional Democratic Party leader Yoshihiko Noda’s three visits to Niigata bolstered her campaign. However, veteran lawmaker Makiko Kikuta highlighted the need for Uchikoshi to strengthen grassroots connections. The election exposed cracks in the opposition alliance, raising questions about its future viability.
