Japan’s efforts to rebuild its semiconductor industry are being complicated by a $550 billion investment pledge to the United States, with a major portion of the spending directed towards expanding American chipmaking capacity rather than strengthening domestic production.
Under an agreement with the Trump administration, Japan will invest up to $21 billion in two semiconductor factories in New York state, according to a deal announced by GlobalFoundries last week. The commitment forms part of Tokyo’s broader investment pledge, made in July 2025 in exchange for lower US tariffs.
Unlike conventional bilateral investment agreements, the deal gives US President Donald Trump the authority to select the projects. Analysts say this limits Japan’s ability to direct funding towards its own industrial priorities and raises questions about the benefits for its domestic semiconductor supply chain.
“Japan is funding US semiconductor capacity without necessarily gaining much of the advanced chip technology or domestic manufacturing capabilities it wants,” said Nori Chiou, investment director at White Oak Capital.
The agreement reflects the pressure on Japan to preserve trade relations with its largest economic partner and key security ally. South Korea and Taiwan have also pledged investments in the United States following Trump’s tariff measures.
Japan has faced similar pressure over semiconductors before. In the 1980s, when the country was a dominant force in global chipmaking, it agreed to restrict semiconductor exports to the US. The episode remains a sensitive issue among Japanese policymakers.
A Japanese government source described the latest investment commitment as a way to manage relations with Washington and buy time amid trade tensions.
Balancing US commitments with domestic growth
Japanese Industry Minister Ryosei Akazawa has argued that investment in the US can coexist with efforts to expand production at home. He has also described Japan as an indispensable partner in maintaining American economic, technological and security strength.
The US projects could benefit Japanese equipment manufacturers such as Tokyo Electron, while Renesas Electronics has been identified as a potential customer for the new facilities, GlobalFoundries CEO Tim Breen has said.
However, arranging financing for the factories presents another challenge. Japan’s state-backed Japan Bank for International Cooperation and commercial lenders are expected to provide loans, supported by guarantees from Nippon Export and Investment Insurance. Japanese banks have been reluctant to participate because of the cost of securing the large amounts of US dollars required, prompting Tokyo to seek assistance from JPMorgan and other American banks, Reuters has reported.
The financing commitments come as Japan faces mounting fiscal pressures, including the developed world’s highest debt-to-GDP ratio and investor concerns over Prime Minister Sanae Takaichi’s expansionary spending plans.
Japan continues to back its own chip industry
Takaichi has outlined plans for around $2.3 trillion in public and private investment across 17 strategic sectors through fiscal 2040, including artificial intelligence and semiconductors.
Japan’s flagship domestic initiative is Rapidus, which aims to begin mass-producing advanced chips next year, although the project continues to face scepticism within the industry.
The government is also supporting semiconductor investments by companies including Taiwan Semiconductor Manufacturing Company (TSMC), Micron and Kioxia, alongside initiatives in AI and robotics.
Japanese officials argue that domestic manufacturing does not need to encompass every stage of the semiconductor supply chain. Integrating chips produced in the US into Japan’s industrial network could help strengthen supply security without requiring all production to take place at home.
Nevertheless, the scale of the American commitment has prompted concerns that Japan may have to accept limited direct returns in exchange for maintaining its relationship with Washington.
“Whether (the chip factory investment) works out or not, Japan will just have to regard it as a tax,” said Atsushi Osanai, a professor at Waseda University.
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