Key Facts
• July 2025: Constitutional Democratic Party (CDP) drafts Upper House election review.
• CDP retained 22 seats but failed to achieve victory or gain public support.
• Six incumbent candidates lost their seats, marking a significant setback.
• CDP ranked as the third-largest opposition party, trailing behind the Democratic Party for the People and the Sanseito Party.
• The party’s goal of reducing the ruling coalition’s majority was achieved but lacked broader impact.
• CDP’s online strategy lagged behind advanced political parties, widening the digital gap.
• Younger voters viewed CDP as part of the traditional political establishment, reducing its appeal.
• CDP Secretary-General Junya Ogawa announced the resignation of Koji Sato, head of the organizational committee, citing personal reasons.
• Party leadership faces internal criticism, with potential disputes expected at the July 22 joint parliamentary meeting.
Summary
The Constitutional Democratic Party (CDP) released its review of the July 2025 Upper House election, highlighting its inability to gain public support despite retaining 22 seats. The party faced significant losses, including six incumbent candidates, and ranked as the third-largest opposition party. While achieving its goal of reducing the ruling coalition’s majority, the CDP struggled to assert its presence as the leading opposition. A widening digital strategy gap and declining appeal among younger voters further hindered its performance. Internal criticism of the leadership has emerged, with potential disputes anticipated at the upcoming joint parliamentary meeting. Additionally, Koji Sato, head of the organizational committee, resigned for personal reasons, adding to the party’s challenges.
