Results of U.S. Midterms May Overshadow Takaichi’s Policies
By Takuya Nishimura, Senior Fellow, Asia Policy Point
Former editorial writer for the Hokkaido Shimbun
You can find his blog, J Update here.
November 9, 2026
The major setback to the Republicans in the U.S. midterm elections on November 3 may overshadow Japanese Prime Minister Sanae Takaichi’s efforts to implement her policies. We can expect President Donald Trump to pressure Japan to invest even more in U.S. industry and to increase its defense budget to lighten U.S. involvement in Asian security. Takaichi has been focusing on building a personal relationship with Trump. However, she is not ready for Trump as a lame duck.
After voting results showed a landslide victory by the Democrats last Tuesday night, the Tokyo Stock Market declined steeply over the rest of the week. The Nikkei 225 marked a historically large drop of 3,643 yen to 57,434 yen on Friday. It sank by nine percent over the three days after the election. The market is concerned that Democrats will hit the brakes on the development of AI technology and semiconductors, including the construction of data centers.
Although the Supreme Court has circumscribed the authority of a President to impose tariffs unilaterally, Trump is expected to maintain reciprocal tariffs on goods from Japan – at least until a U.S. court tells him that he cannot. In negotiations over the tariffs, Japan already has promised 550 billion dollar of investment in the U.S. Meanwhile, the war in Iran will continue, pushing oil prices up.
Trump’s foreign policy going forward is even more uncertain. Policymakers in Japan suppose that, over his next two years in office, Trump will take bold diplomatic action to build a foreign policy legacy. The boldest – and worst case – scenario is a high-level deal with China and Russia that would supersede U.S. relations with all other countries. Trump has proposed trilateral summit with Russian President Vladimir Putin and Chinese President Xi Jinping, a latter-day Axis powers meeting, in the backdrop of the APEC meeting scheduled for later this month.
Trump is willing to build a framework with Putin and Xi to control nuclear weapons. However sweeping this new world order will be, Japan will be left behind. Takaichi has no leverage with China ever since her remark that hostilities in Taiwan could compel Japan to use force in what would be a “survival-threatening situation.” China might have regarded it as an intervention in Chinese domestic affairs.
Russian aggression in Ukraine has exacerbated the already tense Japan-Russia relations. Takaichi has just delivered the usual condemnation to Russia on Putin’s visit to Iturup island, the detention of a Japanese journalist, and the effective confiscation of Japan Tobacco’s offices in Russia. Takaichi has made no meaningful effort to improve relations with China or Russia.
With these two countries largely closed off to her, Takaichi’s only alternative is a strong partnership with Trump. In her summit with Trump last March, she praised him as “the only person who can bring peace and prosperity to the world.” How far things will go with Trump remains to be seen. In the meantime, Japan is pushing its own foreign policy: a “Free and Open Indo-Pacific,” a program invented by Takaichi’s political mentor, former premier Shinzo Abe, a decade ago.
Takaichi can no longer expect firm international support for this policy, however. The headwinds are getting stronger. In September, Trump and Xi stood shoulder to shoulder as former allies against Japan in the World War II. There is speculation that Trump may approach Kim Jong Un of North Korea to deal with Kim’s nuclear and missile program. Although Takaichi hopes to have a meeting with Kim as soon as possible, there is no sign that her effort will pay off. At least what she could do is urge Trump to help Japan solve the issue of North Korea’s abduction of the Japanese. The issue presents no monetary incentive to Trump, however.
In short, no progress can be expected in the bilateral relationship between Japan and the U.S. over the coming two years. The U.S. keeps on urging Japan to increase its defense budget, including a five-year agreement for host nation support that will expire in four to five months, in March 2027. The Takaichi government is working the rest of this year to formulate the fiscal year 2027 budget and to revise Japan’s three foundational security documents. Takaichi has yet to disclose where she can find the resources to fund a surge in defense spending.
One ideal solution for her is increased private investment in the defense industry that will spur economic growth. The Takaichi government has proposed the establishment of a military-industrial complex to encourage such investment. A formal military-industrial complex will ignite a fierce debate in the country since Japan previously has maintained a strict position against involvement in the wars of foreign countries.
Without a majority in the Upper House, Takaichi does not have a free hand to put her policies into practice. When the Lower House passed a controversial bill for a consumption tax cut on November 6, four veteran LDP lawmakers walked out of the vote, protesting Takaichi’s unilaterally imposed procedure for the bill. The LDP decided to reprimand those four lawmakers

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