Key Facts
• Former LDP heavyweight Toshihiro Nikaido retired, passing his legacy to son Nobuyasu.
• Nobuyasu Nikaido lost in the 2024 Lower House election to independent Hiroshige Sekō.
• February 2025: Nobuyasu won LDP candidacy for Wakayama Upper House election.
• Nobuyasu defeated former mayor Yoshio Mochizuki with 82 votes to 46.
• Mochizuki left LDP in April 2025, running as an independent with Sekō’s support.
• LDP factions in Wakayama remain divided between Nikaido and Sekō camps.
• June 2025: Opposition parties announced candidate unification in Wakayama and Gifu.
• Democratic Party canceled Noriyatsu Murakami’s candidacy, sparking local backlash.
• Wakayama’s Democratic Party declared “independent voting” for the Upper House election.
• Local leader Tadasuke Yamamoto stated 0% support for Japan Innovation Party candidate Mihiro Urahira.
Summary
The 2025 Upper House election in Wakayama highlights a deep divide within the Liberal Democratic Party (LDP). Following Toshihiro Nikaido’s retirement, his son Nobuyasu faced challenges, losing the 2024 Lower House election to independent Hiroshige Sekō. Despite securing LDP candidacy in February 2025, Nobuyasu’s position remains precarious as Yoshio Mochizuki, a former LDP member, runs independently with Sekō’s backing. Meanwhile, opposition parties struggle with internal discord, as the Democratic Party’s decision to cancel Noriyatsu Murakami’s candidacy led to local backlash. Wakayama’s Democratic Party declared independent voting, with no support for Japan Innovation Party candidate Mihiro Urahira. The election underscores both LDP factionalism and opposition disarray, shaping a volatile political landscape.
