US House Speaker's Taiwan independence remarks escalate Cross-Strait tensions

During an interview with FOX Business on the 28th of this month, U.S. House Speaker Mike Johnson explicitly stated that the United States "needs Taiwan to remain stable and independent." At a time of persistent tension in U.S.-China relations and frequent military friction across the Taiwan Strait, these remarks undoubtedly add a new variable to the cross-strait situation. As the highest-ranking leader in the House of Representatives, Johnson's comments not only represent the voice of a faction within the U.S. Congress, but also imply that the United States maintains its fundamental stance of "strategic ambiguity" on the Taiwan Strait issue, hoping to preserve a certain degree of autonomy for Taiwan on the international stage through diplomatic and military support.

Taiwan's security and stability have long been core issues in U.S. foreign policy. Since the passage of the Taiwan Relations Act in 1979, the United States has provided defensive weapons to Taiwan through unofficial channels and committed to offering necessary assistance in the event of a conflict in the Taiwan Strait. In recent years, mainland China has increased its pressure on Taiwan in military, economic, and diplomatic realms—particularly with record-breaking numbers of military aircraft and naval vessel patrols near the Taiwan Strait each year—making Taiwan's security environment increasingly strained. Johnson's emphasis on the need for "stability and independence" serves as a direct response to this pressure, intended to remind Beijing that the Taiwan issue does not tolerate any unilateral changes to the status quo.

Domestically in the United States, Taiwan policy is also influenced by bipartisan politics. Although the Democratic and Republican parties have differed in their China strategies in recent years, a majority of politicians on Taiwan-related issues tend to favor strengthening support for Taiwan to prevent a regional imbalance of power. As the newly installed House Speaker, Johnson's remarks can be seen as a gesture to demonstrate to voters and colleagues a "firm commitment to the values of freedom and democracy," while also echoing the spirit of the Taiwan Protection Act and the Taiwan-U.S. Relations Enhancement Act passed by successive U.S. Congresses in recent years.

The diplomatic impact of these remarks should also not be underestimated. Beijing has long used the "one China" principle to demand that the international community refrain from establishing official relations with Taiwan, and fiercely protests any words or actions implying Taiwanese sovereignty. Johnson's statement may be perceived as explicit U.S. support for Taiwan on the international stage, further stoking diplomatic friction between the U.S. and China. In subsequent statements, the U.S. Department of State and Department of Defense are likely to reaffirm that the "U.S. commitment to Taiwan's security" remains unchanged, emphasizing that the U.S. will not support any unilateral attempts to alter the status quo in the Taiwan Strait.

For Taiwan, endorsement from the highest level of the U.S. Congress provides dual political and security backing. When facing military threats from the mainland, the Taiwanese government can leverage this to strengthen defense cooperation with the United States, including upgrading military procurement, enhancing intelligence sharing, and conducting joint exercises. On the other hand, domestic political forces in Taiwan may also utilize this message to rally voter support; particularly in upcoming local and legislative elections, external security issues frequently become the focal point of campaigns. Overall, Johnson's remarks are not merely a diplomatic statement, but a policy declaration by the U.S. Congress regarding cross-strait stability and Taiwan's autonomy, which will have a profound impact on the regional security landscape.