Ishiba’s abrupt no-show at NATO summit reveals strained alliance with U.S.

Japanese Prime Minister Shigeru Ishiba has sent a clear signal to the Trump administration: the Japan–U.S. relationship is in a dire state.

After saying just days ago he would be attending this week’s NATO summit at The Hague, Ishiba abruptly pulled out at the last minute.

He joins two other leaders from the Indo-Pacific region, Australian Prime Minister Anthony Albanese and South Korean President Lee Jae-myung, in skipping the summit.

The Japanese media reported Ishiba canceled the trip because a bilateral meeting with U.S. President Donald Trump was unlikely, as was a meeting of the Indo-Pacific Four (IP4) NATO partners (Australia, New Zealand, South Korea and Japan).

Participants pose for a photo at the NATO summit in The Hague, on Tuesday. Image: Haiyun Jiang/Pool via AP

Japan was represented by Foreign Minister Takeshi Iwaya, showing its desire to strengthen its security relationship with NATO.

However, Ishiba’s no-show reveals how Japan views its relationship with the Trump administration, following the severe tariffs Washington imposed on Japan and Trump’s mixed messages on the countries’ decades-long military alliance.

Tariffs and diplomatic disagreements

Trump’s tariff policy is at the core of the divide between the U.S. and Japan.

Ishiba attempted to get relations with the Trump administration off to a good start. He was the second world leader to visit Trump at the White House, after Israeli Prime Minister Benjamin Netanyahu.

However, Trump’s “Liberation Day” tariffs imposed a punitive rate of 25% on Japanese cars and 24% on all other Japanese imports. They are already having an adverse impact on Japan’s economy: exports of automobiles to the US dropped in May by 25% compared to a year ago.

Six rounds of negotiations have made little progress, as Ishiba’s government insists on full tariff exemptions.

Japan has been under pressure from the Trump administration to increase its defense spending, as well. According to the Financial Times, Tokyo canceled a summit between U.S. and Japanese defense and foreign ministers over the demand. (A Japanese official denied the report.)

Japan also did not offer its full support to the U.S. bombings of Iran’s nuclear facilities earlier this week. The foreign minister instead said Japan “understands” the U.S. determination to prevent Iran from acquiring nuclear weapons.

Japan has traditionally had fairly good relations with Iran, often acting as an indirect bridge with the West. Former Prime Minister Shinzo Abe even made a visit there in 2019.

Japan also remains heavily dependent on oil from the Middle East. It would have been adversely affected if the Strait of Hormuz had been blocked, as Iran was threatening to do.

Unlike the response from the UK and Australia, which both supported the strikes, the Ishiba government prioritized its commitment to upholding international law and the rules-based global order. In doing so, Japan seeks to deny China, Russia and North Korea any leeway to similarly erode global norms on the use of force and territorial aggression.

Strategic dilemma of the Japan–US military alliance

In addition, Japan is facing the same dilemma as other American allies – how to manage relations with the “America first” Trump administration, which has made the U.S. an unreliable ally.

Earlier this year, Trump criticized the decades-old security alliance between the U.S. and Japan, calling it “one-sided”.

“If we’re ever attacked, they don’t have to do a thing to protect us,” he said of Japan.

Lower-level security cooperation is ongoing between the two allies and their regional partners. The U.S., Japanese and Philippine Coast Guards conducted drills in Japanese waters this week. The U.S. military may also assist with upgrading Japan’s counterstrike missile capabilities.

But Japan is still likely to continue expanding its security ties with partners beyond the U.S., such as NATO, the European Union, India, the Philippines, Vietnam and other ASEAN members, while maintaining its fragile rapprochement with South Korea.

Australia is now arguably Japan’s most reliable security partner. Canberra is considering buying Japan’s Mogami-class frigates for the Royal Australian Navy. And if the AUKUS agreement with the U.S. and UK collapses, Japanese submarines could be a replacement.

Ishiba under domestic political pressure

There are also intensifying domestic political pressures on Ishiba to hold firm against Trump, who is deeply unpopular among the Japanese public.

After replacing former Prime Minister Fumio Kishida as leader of the Liberal Democratic Party (LDP) last September, the party lost its majority in the lower house of parliament in snap elections. This made it dependent on minor parties for legislative support.

Ishiba’s minority government has struggled ever since with poor opinion polling. There has been widespread discontent with inflation, the high cost of living and stagnant wages, the legacy of LDP political scandals, and ever-worsening geopolitical uncertainty.

Last Sunday, the party suffered its worst-ever result in elections for the Tokyo Metropolitan Assembly, winning its lowest number of seats.

The party could face a similar drubbing in the election for half of the upper house of the Diet (Japan’s parliament) on July 20. Ishiba has pledged to maintain the LDP’s majority in the house with its junior coalition partner Komeito. But if the government falls into minority status in both houses, Ishiba will face heavy pressure to step down.

Craig Mark is Adjunct Lecturer, Faculty of Economics, Hosei University.

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