Key Facts
• July 20, 2025: Sannseito achieved significant success in Japan’s House of Councillors election.
• The party won 14 seats (7 in proportional representation, 7 in electoral districts).
• Sannseito’s slogan, “Japan First,” resonated with conservative voters.
• July 19, 2025: 20,000 attendees gathered for a rally in Tokyo’s Shiba Park.
• Candidate Saya Ougi received 9.6% of votes in Tokyo, securing a seat.
• In rural areas like Gunma, candidates achieved up to 31.5% of votes.
• Policies include stricter immigration rules, tax cuts, and organic school meals.
• The party’s main supporters are men aged 40–50, dissatisfied with major parties.
• Sannseito leveraged social media, using short videos to amplify their message.
• Leader Sohei Kamiya frequently referenced historical events, including WWII.
• Critics express concerns over authoritarian tendencies and lack of freedoms in proposed policies.
Summary
Sannseito’s unexpected success in Japan’s 2025 House of Councillors election highlights their appeal to conservative and rural voters. With 14 seats won, the party’s “Japan First” slogan and policies on stricter immigration, tax cuts, and organic school meals resonated with disillusioned voters. Their leader, Sohei Kamiya, utilized social media and controversial rhetoric, including references to WWII, to galvanize support. Critics, however, raise concerns about the party’s authoritarian undertones and potential restrictions on freedoms. Sannseito’s rise reflects growing dissatisfaction with traditional political parties and the effectiveness of targeted digital campaigns.
