Japanese Prime Minister Sanae Takaichi sparked a contention erstwhile she said that a Chinese battle connected Taiwan could beryllium deemed a “survival-threatening situation” — a ineligible justification allowing Tokyo to workout corporate self-defence. China claims sovereignty implicit Taiwan, a presumption Taipei firmly rejects.

Ms. Takaichi’s refusal to retract the connection caused bilateral ties to unravel astatine an alarming speed. The quality has go the region’s biggest situation successful caller years, characterised by Chinese subject sorties, economical coercion against seafood imports, and a broad frost connected taste exchange. Having failed to unit a retraction, Beijing has escalated the contented to the United Nations, framing Japan’s stance arsenic a menace to the post-war planetary order.
Japan’s post-war Constitution forbids it from utilizing unit arsenic a means of settling planetary disputes but a 2015 law, passed erstwhile Ms. Takaichi’s mentor, Shinzo Abe, was Prime Minister, permits it to workout corporate self-defence successful definite situations, adjacent if it is not straight nether attack.
The kerfuffle implicit Ms. Takaichi’s remarks comes conscionable arsenic Japan faces important home headwinds. The world’s fourth-largest system is facing dilatory economical growth and persistent inflation.
The Prime Minister is attempting to lick these issues with caller stimulus measures. Further compounding these challenges is simply a semipermanent fertility crisis, with the country’s colonisation maturation turning antagonistic since 2011.
Against this backdrop, a prolonged rift with China could beryllium problematic, fixed that Beijing is Japan’s largest trading partner. China accounted for 20% of Japan’s imports and exports each, betwixt 2018 and 2024.
Bloomberg notes that Japanese manufacturers trust heavy connected Chinese captious materials. Reuters reports that China provides 60% of Japan’s uncommon earths — cardinal components for cars and electronics.
The powerfulness of this monopoly was demonstrated precocious erstwhile China utilized its uncommon world dominance to successfully unit the U.S. into lowering tariffs. China has told tourists not to sojourn Japan, stopped approvals of caller Japanese firms, and restricted Japanese seafood.

Ms. Takaichi’s proposition that Japan mightiness intervene successful a Taiwan Strait struggle underscores the value of this maritime way to Tokyo. The illustration below illustrates the full commercialized measurement by state passing done the Strait successful 2022 (excluding China). Japan stands retired significantly, with implicit $440 cardinal successful commercialized relying connected this waterway.
Much of the commercialized betwixt the 2 neighbours would beryllium disrupted if tensions successful the Strait rise. Taiwan is simply a captious trading spouse for Japan, peculiarly for captious technology. In 2025 (till September), Japan sourced 60% of its integrated circuits and implicit 50% of its semiconductors from Taiwan, on with important volumes of electrical machinery.
Tensions are besides mounting implicit the subject implications of Ms. Takaichi’s remarks. In 2025, Japan’s defence spending deed a 70-year precocious of 1.8% of GDP, a level not seen since the 1950s.
On Wednesday, Taiwanese President Lai Ching-te said that his authorities is going to suggest $40 cardinal successful further defence spending successful the coming years.
In 2024, Japan’s forces ‘scrambled’ implicit 700 times successful effect to Chinese and Russian craft violations. A ‘scramble’ refers to the exigency dispatch of craft by the country’s Air Self-Defence Force erstwhile an unidentified craft is suspected of violating Japanese airspace.
The information for the charts were sourced from the World Bank, the Centre for Strategic and International Studies (CSIS), UNCOMTRADE, SIPRI, Defence of Japan 2025, and e-Stat: a portal tract for Japanese Government Statistics.

7 months ago
1



