Former Yokohama Mayor Takeharu Yamanaka stated on September 25, 2026, that he will “decide as early as possible” following an official request to run in the upcoming Yokohama mayoral election from the citizens’ group “Group to Promote Yokohama Municipal Administration for the Citizens,” which is scheduled with a notification date of October 4 and voting on October 18, 2026.
Mayoral Candidate Request and Yamanaka’s Response
Meeting in Yokohama on September 25, representatives of the citizens’ group handed Yamanaka an official request to run for office. Yamanaka acknowledged the move by stating he must “accept the thoughts of the citizens” and make a decision as early as possible. The citizens’ group, formerly known for opposing the integration of an Integrated Resort (IR) featuring a casino, has backed Yamanaka since his initial election victory in 2021. Group representative and lawyer Takashi Okada addressed Yamanaka’s past power harassment issues during the meeting, noting that while the actions cannot be excused, Yamanaka has five years of municipal administrative experience that the group wants to put before the voters. Following the remarks, Okada held Yamanaka’s hand for several seconds after a handshake.
Timeline of Events and Expected Decisions
Yamanaka expressed gratitude for the administrative request presented by the citizens’ group, emphasizing that he takes their appeals seriously when deciding his next steps. Observers and campaign sources indicate that Yamanaka is slated to clarify his official stance regarding the mayoral race during a scheduled extraordinary meeting of his supporters’ association on September 28.

Did You Know? The citizens’ group urging Takeharu Yamanaka to run originated as an organization dedicated to opposing the development of a casino-inclusive Integrated Resort (IR) in Yokohama.
Municipal Implications and Campaign Context
The upcoming vote arrives amid significant administrative scrutiny following Yamanaka’s recent resignation due to substantiated power harassment claims, which led the Yokohama City Council to pass a municipal ordinance proposal denying him a retirement allowance of 930万円. As political rivals express caution toward Yamanaka’s potential re-entry, the race moves rapidly toward the October 4 official notice date.
Did You Know? The citizens’ group urging Takeharu Yamanaka to run originated as an organization dedicated to opposing the development of a casino-inclusive Integrated Resort (IR) in Yokohama.
Frequently Asked Questions
When is the Yokohama mayoral election scheduled to take place?
The election is scheduled with a notification date of October 4 and voting on October 18, 2026.
Which citizens’ group requested Takeharu Yamanaka to run?
The “Group to Promote Yokohama Municipal Administration for the Citizens,” which previously opposed IR casino projects, formally requested Yamanaka’s candidacy.
When is Yamanaka expected to announce his official decision?
Yamanaka is expected to clarify his intentions during an extraordinary meeting of his supporters’ association on September 28.
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