Okinawa election win may give Tokyo freer hand on military build-up

TOKYO, Sept 14 (Reuters) – A candidate backed by Japanese Prime Minister Sanae Takaichi’s government won Okinawa’s gubernatorial election on Sunday, ousting an opponent of Tokyo’s military build-up across the strategically important island chain near Taiwan and China.

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Genta Koja, 42, defeated two-term incumbent Denny Tamaki, 66, with 59% of the vote in a result announced early on Monday. His victory, after a campaign dominated by concerns over rising prices, ends 12 years of rule by governors who had sought to reduce the large U.S. military presence in the prefecture.

The result could end Okinawa’s legal efforts to block the relocation of U.S. Marines from the Futenma air base to a new facility at Henoko, on Okinawa’s main island. It may also make it easier to expand military access to airports and ports, according to Masaaki Gabe, a professor emeritus at the University of the Ryukyus.

“Koja could reasonably be expected to approve their designation, opening wholly civilian facilities to military use,” said Gabe.

His victory comes as Takaichi prepares to unveil a new national security strategy this year that is expected to accelerate Japan’s biggest military build-up since World War Two. Her administration says increased defence spending is necessary to deter China from using military force to advance its territorial ambitions in East Asia.

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Okinawa forms part of what military planners call the First Island Chain, a string of territory stretching from Japan through the Philippines that constrains China’s access to the Western Pacific.

Yonaguni island, Japan’s westernmost territory, lies just 110 km (68 miles) east of Taiwan. Beijing claims Taiwan as its own territory and has stepped up military activity around the democratically governed island.

Tensions between Tokyo and Beijing have risen since Takaichi last year said that a Chinese attack on Taiwan that also threatened Japan could trigger a military response by Tokyo.

Japan has deployed missile and electronic-warfare units on several of its southwestern islands and is expanding ammunition storage across the territory.

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(Reporting by Tim Kelly and Yukiko Toyoda; Editing by Stephen Coates)

Copyright Reuters or USA Today Network via Reuters Connect.

This story was originally published September 13, 2026 at 7:24 PM.