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Scénario
Monday, geopolitics
Taiwan: Can Trump and Xi ease Chinese pressure?
Publié le 14 septembre 2026
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The question at hand
Ten days before the Trump-Xi summit on September 24 in Washington, will Chinese military pressure on Taiwan ease, freeze, or escalate despite the dialogue?
The facts
On September 14, 2026, Taiwan's Ministry of Foreign Affairs highlighted a sign it considers encouraging*: the increase in high-level foreign delegations received in Taipei in recent weeks. Italy in late August, a Canadian delegation — the first since 1991 —, US officials, and especially three Japanese parliamentary delegations in early September, including a seven-member one led by Senator Haruo Kitamura. For Taipei, these visits carry a political message: the island is not isolated. But this diplomatic gesture contrasts with a much heavier military reality that has been at the heart of the issue for months.
This reality is the Chinese air and naval pressure around Taiwan, which has never been so intense. Japan's defense white paper, published on August 4, 2026, counts over 3,700 Chinese military sorties in the Taiwan Air Defense Identification Zone in 2025, compared to about 970 in 2021 — nearly four times as many in four years. Add to that about 2,600 Chinese naval sorties in the same year. Tokyo concludes that the military balance in the Taiwan Strait is rapidly shifting in favor of Beijing, which has growing advantages in personnel, naval assets, combat aircraft, and long-range missiles.
Understanding it
Why China multiplies incursions without ever declaring war on Taiwan.
This type of pressure is called gray-zone coercion*. It resembles continuous pressure that wears down the adversary without ever crossing the line of a formal act of war. Concretely: repeated coast guard patrols, air and naval incursions numbering in the thousands each year, without any single one constituting a declaration of conflict.
This climate directly weighs on the most concrete issue of the moment: a $14 billion US arms sale to Taiwan, including advanced interceptor missiles. Ready for presidential approval in early 2026, it was put on hold on May 23, officially to preserve munitions stocks destined for the war in Iran, according to US Navy Assistant Secretary Hung Cao. Three weeks earlier in Beijing, Donald Trump himself called this file a "very good bargaining chip" with China — a phrase that places Taiwan among the possible bargaining chips in a much broader trade and strategic relationship.
On June 8, 2026, the contract remained officially "under review": neither unlocked nor canceled. Since then, no public decision has been made. This administrative status quo has become, almost despite itself, the most readable indicator of what US support for Taiwan is really worth: a suspended contract formally reassures no one and worries no one, but each passing week weighs a little more on Taipei's confidence. Meanwhile, Taiwan continues to invest in its own defense: the Taiwanese Cabinet approved, on August 20, a 2027 defense budget of $35.3 billion, or 3.01% of GDP — an increase that reflects the will not to depend solely on Washington's decisions.
All of this plays out against the backdrop of an already uncertain Trump-Xi relationship. During the first summit between the two leaders on May 14, 2026 in Beijing, Xi Jinping warned that if the Taiwan issue were mishandled, the two countries could "collide, or even come into conflict," tipping their relationship into a perilous situation. Taiwanese President Lai Ching-te retorted that Taiwan is the guarantor of the peaceful status quo in the strait, and that it is China that is the real source of regional instability. This exchange in May already sets the lines of tension that will be replayed at the second summit, scheduled for September 24 in Washington.
It is precisely because this second summit is approaching that the question remains open to three distinct outcomes. Direct dialogue between Trump and Xi could lead to concrete gestures of de-escalation, it could change nothing about the pace of incursions, or it could precede a new escalation if either side decides to harden its position just before or just after the meeting. No sign of amphibious mobilization or official Chinese statement to that effect has been detected to date; on the Polymarket prediction market, the implied probability of a Chinese invasion before September 30, 2026 remained below 1% at the time of consultation — a speculative indicator, to be read as such, on a window of only sixteen days that says nothing about the aftermath.
Upcoming milestones that will decide
1September 24, 2026Trump-Xi summit in Washington, Taiwan on the agenda
2End of 2026Scheduled deliveries of F-16s and HIMARS already ordered by Taiwan
3Since January 2026$14B arms contract still "under review," never unlocked or canceled
4November 18-19, 2026APEC summit in Shenzhen, possible 3rd Trump-Xi meeting of the year
Four milestones that will tell whether pressure eases, freezes, or escalates.
Chinese military sorties in the Taiwan ADIZ (per year)3,700+ (2025) ×3.8 since 2021 (~970 sorties) — Japan defense white paper, August 4, 2026
Implied probability of a Chinese invasion before 09/30/2026 (Polymarket market)< 1% near zero, 16-day window only, no signs of amphibious preparations detected
Favorable, stable, or degraded
Trump et Xi peuvent-ils apaiser la pression sur Taïwan ?
What we're assessing
FavorableWashington débloque le contrat d'armement et les incursions chinoises reculent après le sommet.
StableLe sommet se tient sans avancée ni rupture, et la pression militaire chinoise continue au même rythme.
DégradéLa pression chinoise s'intensifie encore et la confiance de Taipei envers Washington se dégrade.
Favorable
20%
Unlikely
Washington unlocks arms, military pressure recedes
In this scenario, the September 24 summit produces concrete guarantees rather than words. Washington unlocks all or part of the $14 billion arms contract, on hold since May 23. In the following weeks, the frequency of Chinese air and naval incursions around Taiwan drops significantly compared to the over 3,700 annual sorties recorded in 2025, and both sides avoid any further major incident until the APEC summit in November in Shenzhen.
This scenario remains a minority compared to the other two because no concrete sign points to it as of today: the contract has remained "under review" without movement since June, and Trump himself described this file as a bargaining chip, suggesting he prefers to keep it in reserve rather than unlock it all at once. Unlike the stable scenario, which simply extends the current inertia, this one assumes an explicit political choice by both capitals — harder to achieve than a simple status quo.
The France angleA de-escalation would reduce the risk of a shock to semiconductor supply chains, for which Taiwan remains a key supplier to French industry. ↑ Rather favorable for France.
Stable
50%
Likely
The summit takes place with no progress or rupture on Taiwan
In this scenario, the September 24 summit takes place but changes nothing concrete on the Taiwan issue. The two leaders make cautious statements, with no announcement on arms or incursions. The $14 billion contract remains "under review," as it has been continuously since May 23, and Chinese military sorties continue at the high pace observed in 2025, with no visible new escalation but no retreat either.
This is the most likely scenario because it exactly matches the trajectory followed since May: a dialogue that maintains a surface-level relationship while letting the military file evolve separately, at its own pace. Unlike the favorable scenario, which would require an explicit decision from Washington, or the degraded scenario, which assumes a new shock, this one requires no new gesture from either side — it is enough that nothing changes.
Indicators affected
Contrat d'armement de 14 Md$ à Taïwantoujours en révision→en révision depuis le 23 mai 2026
The France angleThe status quo maintains a lasting uncertainty that already weighs on the planning of French companies exposed to the Indo-Pacific region. ↓ Rather unfavorable for France.
Degraded
30%
Fairly likely
Chinese pressure intensifies despite the summit
In this scenario, the September 24 summit fails to ease the issue. Beijing further tightens gray-zone pressure, with a new record of air and naval sorties exceeding the 2025 threshold, accompanied by additional military exercises around the island. Washington reacts in two possible ways: either by finally unlocking the arms in a climate of open confrontation, or conversely by relegating Taiwan behind a broader trade deal with Beijing — in both cases, Taipei's confidence in its American ally deteriorates.
This scenario weighs more heavily than the favorable scenario because the military balance of power, documented by the Japanese white paper in August, already favors China, and nothing in the last six months shows a slowdown in this dynamic. Unlike the stable scenario, which extends inertia without a new shock, this one assumes a visible rupture, more likely than a US unlocking but less automatic than simple continuity.
Indicators affected
Sorties militaires chinoises dans l'ADIZ taïwanais (par an)nouveau record en hausse↑3 700+ (2025)
The France angleA new escalation would increase the already identified risks to the supply of electronic components essential to French industry. ↓ Rather unfavorable for France.
Ordres de grandeur indicatifs pour les 3 scénarios ci-dessus, estimés avec l'information disponible à la publication et réévalués si la situation change — jamais des prévisions garanties. Learn more about our method →
Key takeaways
Can the September 24 Trump-Xi summit in Washington ease Chinese military pressure on Taiwan?
Chinese military sorties around Taiwan rose from about 970 in 2021 to more than 3,700 in 2025, while a $14 billion US arms deal has remained suspended since May.
The most likely scenario (50%) is a status quo: a summit with no real breakthrough, the arms deal still under review, and Chinese military pressure unchanged.
Signal to watch: the concrete outcome of the September 24, 2026 Trump-Xi summit in Washington, and any movement on the $14 billion arms deal.
Fairly negative
Our assessment of the impact for France: fairly negative. The stable scenario (50% probability) prolongs an already costly uncertainty for companies exposed to the region, and the degraded scenario (30%) would worsen it further; only the favorable scenario (20%), would reduce this risk, which isn't enough to reverse the overall balance.