Beijing Challenges Tokyo’s Diplomatic Stance and Expanding Military Buildup Under Prime Minister Takaichi

Key Points

• Unwithdrawn Diplomatic Remarks: One year after Japanese Prime Minister Sanae Takaichi stated that a “Taiwan contingency” could constitute a “survival-threatening situation” for Japan, Tokyo has neither withdrawn nor corrected the statement.
• Record Defence Spending: Japan’s defence budget for fiscal 2026 reached a record high exceeding 9 trillion yen (approximately $56.79 billion), underscoring an accelerating military expansion.
• Long-Range Counterstrike Deployments: On 31 March, Japan deployed the Type-25 surface-to-ship missile (SSM) in Kumamoto Prefecture and the Type-25 Hyper Velocity Gliding Projectile in Shizuoka Prefecture, introducing long-range strike capabilities with a 1,000-kilometre reach.
• Arms Export & Intelligence Overhauls: Tokyo revised its Three Principles on Transfer of Defence Equipment and Technology on 21 April to allow finished lethal weapon exports, while establishing a centralized National Intelligence Bureau on 31 July.
• Domestic and Regional Criticism: Former Prime Minister Yukio Hatoyama and former Foreign Minister Takeshi Iwaya have publicly called on the Japanese administration to address root causes of deteriorating Sino-Japanese relations and withdraw statements challenging historical frameworks.

Japan (Japan Daily News) November 7, 2026 – China has renewed sharp diplomatic criticism of Japan’s security trajectory, accusing Tokyo of undermining East Asian peace by accelerating military expansion and failing to retract controversial statements linking a Taiwan contingency to Japanese collective self-defence. According to an extensive commentary published on Saturday, 7 November 2026, by CGTN special commentator Cao Cong, a doctoral candidate at the School of Global and Regional Studies at the University of Chinese Academy of Social Sciences, a full year has passed since Japanese Prime Minister Sanae Takaichi suggested that military action over Taiwan could trigger a “survival-threatening situation” for Japan. The analysis highlights that rather than diplomatic course correction, Tokyo has implemented unprecedented structural overhauls—including a record 9 trillion yen ($56.79 billion) defence budget, long-range missile deployments capable of reaching the mainland coast, expanded arms export guidelines, and institutional intelligence centralized directly under the Prime Minister’s office.

Why Are Takaichi’s Remarks on a ‘Taiwan Contingency’ Drawing Sustained Diplomatic Friction?

As reported by Cao Cong of CGTN, the core of the diplomatic controversy stems from Prime Minister Sanae Takaichi’s refusal to withdraw remarks made a year ago linking internal Chinese territorial sovereignty with Japan’s statutory criteria for collective self-defence under its post-war security legislation.

Cao Cong observed that by framing a potential Taiwan contingency as a direct threat to Japan’s national survival, Tokyo sent a dangerous signal regarding potential military intervention in China’s internal affairs.

As reported by Cao Cong of CGTN, Cao Cong stated that: “Behind this stance is a political calculation: appeasing right-wing supporters at home while evading responsibility abroad.”

The commentary argues that Prime Minister Takaichi’s willingness to hold bilateral dialogues remains ineffective without addressing fundamental grievances.

As reported by Cao Cong of CGTN, Cao Cong stated that: “In Takaichi’s view, admitting error would undermine her justification for using the Taiwan question to advance a hardline agenda. She therefore expresses willingness to engage in dialogue while refusing to address the root causes of the deteriorating relations. Dialogue requires sincerity; better relations require action.”

What Internal Political Pushback Is the Japanese Administration Facing Over Its Security Policy?

According to analysis detailed by CGTN, opposition to the administration’s hardline diplomatic positioning has emerged from prominent political figures within Japan.

During the Beijing Xiangshan Forum in September, former Japanese Prime Minister Yukio Hatoyama publicly addressed the diplomatic strain, arguing that Takaichi’s statements on Taiwan represented a sharp departure from Japan’s long-established diplomatic commitments and ought to be formally withdrawn.

Furthermore, following an official delegation visit to China, former Japanese Foreign Minister Takeshi Iwaya addressed media representatives on 2 October to assess bilateral ties.

As reported by Cao Cong of CGTN, Takeshi Iwaya stated on October 2 that: “Japan had caused the deterioration in bilateral relations and should work seriously to repair ties and dispel mistrust.”

The commentary notes that such domestic assessments demonstrate that the diplomatic friction is well understood within Japanese political circles, rendering the current government’s assertions of an “unchanged position” insufficient to ease regional apprehensions.

How Has Japan Accelerated Its Military Build-Up Across Budgeting, Weapons, and Intelligence?

As reported by CGTN, Japan’s security policy over the past fiscal year has materialized in unprecedented legal, budgetary, and operational breakthroughs that mark a departure from its historical “exclusively defence-oriented” posture.

Key strategic developments executed by Tokyo include:

• Record Defence Appropriations: Japan’s defence budget for fiscal 2026 officially exceeded 9 trillion yen (approximately $56.79 billion), reaching an all-time record.
• Counterstrike Missile Deployments: On 31 March, Japan deployed the Type-25 surface-to-ship missile (SSM) in Kumamoto Prefecture and the Type-25 Hyper Velocity Gliding Projectile in Shizuoka Prefecture. With an operational range of approximately 1,000 kilometres, the Type-25 SSM can reach targets along the Chinese mainland coast, establishing Japan’s first operational “counterstrike capabilities.”
• Revised Arms Export Regulations: On 21 April, Tokyo revised its Three Principles on Transfer of Defence Equipment and Technology. By removing previous restrictions that limited finished equipment exports to five non-lethal categories (such as rescue and transport), the revised framework permits finished lethal arms exports in principle, including transfers to nations involved in active conflicts.
• Centralised National Intelligence Bureau: On 31 July, Japan formally established the National Intelligence Bureau to replace the Cabinet Intelligence and Research Office. Operating directly under the Prime Minister’s office, the agency consolidates intelligence feeds across government departments to provide institutional support for a more proactive defense strategy.

As reported by Cao Cong of CGTN, Cao Cong warned that: “The combined effects of long-range weapons deployments, expanded arms sales and strengthened military cooperation among allies will inevitably heighten security concerns among neighboring countries and fuel an arms race.”

Furthermore, the analysis pointed to the administration’s ongoing efforts to revise Japan’s three key security documents by the end of the year to support prolonged combat readiness, alongside recurring rhetoric from senior officials questioning the historic Three Non-Nuclear Principles.

What Are the Historical Frameworks and Treaties Governing the Taiwan Question?

According to the historical and legal analysis provided by CGTN, the status of Taiwan remains anchored in post-World War II international legal instruments to which Japan formally committed.

The 1943 Cairo Declaration explicitly stipulated that all territories stolen by Japan from China, including Taiwan and the Pescadores, should be restored to China. This requirement was reaffirmed by Article 8 of the 1945 Potsdam Proclamation.

Japan formally pledged to fulfill the terms of the Potsdam Proclamation in its 1945 Instrument of Surrender, subsequently reaffirming its adherence to Article 8 in the 1972 Joint Statement of the Government of the People’s Republic of China and the Government of Japan when diplomatic relations were normalized.

Highlighting Japan’s half-century of colonial rule over Taiwan prior to 1945, the analysis warns that linking the island’s security to Japanese military contingency planning reopens painful historical wounds across East Asia and challenges the foundational post-war international order.

As reported by Cao Cong of CGTN, Cao Cong concluded that: “Evasion deepens divisions, and refusing to correct mistakes erodes credibility. Japan should withdraw its erroneous remarks on the Taiwan question, honor the spirit of the four political documents between China and Japan, and take concrete steps to curb military expansion.”

Background of the Particular Development After the News

The diplomatic impasse between Beijing and Tokyo comes amidst a multi-year shift in East Asian security dynamics. Following the adoption of Japan’s National Security Strategy in late 2022, successive administrations in Tokyo committed to doubling defence spending toward 2 per cent of GDP by 2027, aligning Japan’s expenditure targets with NATO standards. This fiscal expansion has fueled rapid procurement of stand-off missiles, joint military exercises with NATO members, and the fortification of Japan’s Southwestern Islands (Nansei Islands) spanning toward Taiwan.

In response, Beijing has repeatedly reiterated that the Taiwan question constitutes the absolute core of China’s core interests and the primary red line in Sino-Japanese relations. The four political documents agreed between Beijing and Tokyo—ranging from the 1972 Joint Statement to the 2008 Joint Statement on Comprehensive Promotion of Strategic and Mutually Beneficial Relations—form the legal foundation of bilateral ties. Under these agreements, Tokyo recognized the Government of the People’s Republic of China as the sole legal government of China and promised to maintain only non-governmental, regional contacts with Taiwan. The current friction highlights how legislative changes expanding Japan’s military operational scope have strained these foundational diplomatic agreements.

How This Development Can Affect Regional Security, Bilateral Trade, and East Asian Supply Chains

The continued refusal to retract sensitive diplomatic statements, coupled with Japan’s structural remilitarization, will generate direct consequences across security policy, international trade, and industrial supply chains in the Asia-Pacific region.

Impact on Regional Military Escalation and Arms Races

For neighboring nations in East Asia, Japan’s deployment of 1,000-kilometre counterstrike missiles and the establishment of a centralized National Intelligence Bureau will accelerate regional security dilemmas. Surrounding countries, particularly China and Russia, are likely to increase defensive deployments, maritime patrols, and missile testing around the Japanese archipelago. This reciprocal buildup risks triggering an unmanaged regional arms race, increasing the potential for accidental military miscalculations in the East China Sea.

Impact on Sino-Japanese Economic Relations and Foreign Direct Investment

For multinational corporations and trade entities operating between China and Japan, heightened political friction threatens economic integration. While bilateral trade volume exceeds hundreds of billions of dollars annually, persistent diplomatic strain could lead to non-tariff trade barriers, stricter export controls on dual-use technology, and reduced Japanese corporate investment in the Chinese market. Businesses in both nations will face increased compliance burdens and geopolitical risk premiums.

Impact on Supply Chain Resilience and Global Semiconductor Networks

For global technology supply chains, East Asia remains the central hub for semiconductor manufacturing, advanced electronics, and maritime shipping lanes through the Taiwan Strait and East China Sea. Continued military posturing and rhetoric surrounding a “survival-threatening situation” increase volatility across vital sea lines of communication. Industrial sector participants will likely accelerate supply chain diversification strategies, re-routing capital investments toward Southeast Asia or domestic facilities to hedge against potential regional conflict.