Trump Tariffs & ASEAN: Impact on Trade & Integration

Kuala Lumpur – U.S. President Donald Trump concluded a visit to the Association of Southeast Asian Nations (ASEAN) summit in Malaysia on October 27, 2025, leaving a series of bilateral trade agreements in his wake, but as well unresolved concerns regarding tariffs on key sectors like semiconductors and transshipments.

The White House announced reciprocal trade deals with Malaysia and Cambodia, and framework agreements with Thailand and Vietnam during the summit. While Malaysia secured tariff exemptions on some exports, the broader impact of Trump’s trade policies on the region remains uncertain, particularly as they relate to the handling of goods originating in China.

The agreements follow a period of heightened trade tensions initiated by the Trump administration in April 2025, when sweeping tariffs were rolled out, prompting immediate reactions from Southeast Asian markets and governments. Several nations, including Indonesia, Malaysia, and Cambodia, subsequently negotiated agreements with the U.S. To lower tariff levels and increase market access for American exports. In February 2026, the U.S. Supreme Court rejected the Trump administration’s blanket tariff approach under the International Emergency Economic Powers Act, adding another layer of complexity to the situation.

Despite the tariff adjustments, analysts suggest that non-tariff barriers represent a more significant obstacle for American businesses operating in ASEAN countries. These barriers include shifting regulations, complex customs procedures, duplicative approvals, and opaque licensing systems, which are difficult to quantify and navigate. According to one assessment, these hurdles “kill deals” rather than simply adding a predictable cost.

The economic pressure from U.S. Tariffs has also exposed cracks in ASEAN unity. Trump’s “divide and rule” strategy, exploiting the grouping’s consensus-driven decision-making process, has prompted individual member states to pursue bilateral deals with Washington. Vietnam and Indonesia were among the first to secure revised tariff rates, with basic rates reduced to 20 and 19 percent respectively, while Thailand and Cambodia also obtained agreements at 19 percent.

Southeast Asian economies, particularly those reliant on low-cost manufacturing and access to Western markets, are facing significant disruption. The textile manufacturing sector is expected to be particularly vulnerable to the tariffs, while the electronic sector may prove more resilient. The region’s economic model, built on integration within global supply chains, is being challenged, and the long-term implications for its export-led architecture remain unclear.

Unresolved issues remain regarding Trump’s threats to impose a 100 percent tariff on semiconductors and a 40 percent tariff on transshipments – goods, primarily from China, routed through Southeast Asian countries to avoid existing tariffs. The White House has not indicated whether these threats will be carried out, leaving regional economies in a state of uncertainty.