Sweeping tariffs set to be imposed by President Donald Trump next month may overshadow his top diplomat’s first official trip to Asia.

Vietnam remains the region’s largest apparel exporter to the U.S., sending roughly $18.6 billion worth of goods in 2024, according to the U.S. Census Bureau. Cambodia follows with $7.8 billion, then Indonesia at $6.4 billion, Thailand at $2.7 billion, and Malaysia at $1.6 billion.

Williams also added that tariffs on Southeast Asian countries could have unintended consequences. He said that many companies had moved operations from China to countries like Vie