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What is happening?
The political and security partnership between Washington and Taipei is entering a turbulent and potentially precedent-setting phase. The United States and Taiwan have signed a new trade agreement that reshapes their economic-security ties, while Washington is reportedly preparing a record-breaking arms sale that could reach $20 billion. Yet implementation faces obstacles: Taiwan’s opposition-controlled parliament has stalled defense funding, and Beijing is exerting direct pressure on President Donald Trump. On the contrary, the Americans are urging Taiwanese opposition lawmakers to swiftly approve the special defense budget. The outcome may redefine the triangular dynamics among Washington, Taipei, and Beijing – with lasting implications for regional stability in East Asia.
What is the broader picture?
The newly signed trade agreement between Taipei and Washington reduces sweeping tariffs on Taiwanese exports to the US from 20 percent to 15 percent, the same rate as other key U.S. regional allies, such as South Korea and Japan. Moreover, more than 2,000 specific export items are exempted from this rate, which analysts estimate could reduce the effective average tariff burden to approximately 12.3 percent. In return, Taipei has committed to significant concessions. These include the near-complete elimination of import tariffs on selected U.S. agricultural products, the removal of non-tariff barriers affecting the U.S. automotive industry, and a pledge to purchase approximately $80 billion worth of American goods and commodities – particularly machinery, oil, and liquefied natural gas (LNG). The agreement also includes up to $600 billion in investment commitments by Taiwanese technology firms on US soil, particularly in advanced semiconductor manufacturing, artificial intelligence development, and other high-tech sectors.
The agreement showcases the emergence of interdependence between economic and security affairs in Taiwan-US ties. The White House aims to relocate as much industrial production as possible, including advanced semiconductors, back to U.S. territory, diversify supply chains, and reduce both its own and its regional allies’ dependence on the PRC. In exchange, Taiwan is set to receive additional critical arms deliveries and a deeper, multi-layered integration with its principal security provider.
The process, however, faces significant political obstacles. An opposition majority in the Legislative Yuan, composed of lawmakers from the Kuomintang (KMT) and the Taiwan People’s Party (TPP) has long blocked the President William Lai’s (賴清德) proposed special defense budget of nearly $40 billion. The opposition has lately submitted alternative proposals amounting to less than one-third of that figure – levels insufficient to build the “porcupine” defense capabilities necessary to credibly deter a conventional attack from mainland China.
The ruling Democratic Progressive Party (DPP) intends to allocate part of the proposed defense budget to finance large acquisitions from the US. As a result, the parliamentary impasse in Taiwan drew the attention of U.S. lawmakers. More than 30 influential congressmen recently sent a joint letter to leaders of Taiwan’s opposition, urging them to approve the president’s proposed defense expenditures in light of the increasingly severe threat from the opposite side of the strait. They also pledged to address the critical issue of U.S. arms shipment backlogs – one of the opposition’s principal arguments against the DPP’s approach. Last week, Legislative Yuan Speaker Han Kuo-yu (韓國瑜), likely in response to U.S. pressure, stated that once parliament reconvenes after the Lunar New Year recess, he will prioritize the debate of the defense budget. A breakthrough may therefore be imminent, with the special defense budget potentially approved – albeit likely in a partially reduced form.
Why does it matter?
Beijing has directly entered the equation. According to multiple reports, Xi Jinping (習近平) personally warned Donald Trump that a record-level arms sale to Taiwan could damage U.S.-China relations and complicate a planned presidential visit to Beijing. Trump later acknowledged he was “talking about it,” prompting concern in Washington and Taipei that U.S.–China consultations on Taiwan’s defense – long rejected under the Six Assurances – could become normalized. That doctrine commits the United States to making arms sales decisions independently, without prior approval from Beijing. Any erosion of this principle would set a significant, potentially destabilizing precedent. A newly introduced bill in Congress seeks to codify this policy into law, though doing so may also be problematic in some aspects. Ultimately, the scale of the arms package and the fate of Taiwan’s defense budget will serve as a litmus test for the durability of the Washington–Taipei partnership.