China GDP growth (Y/Y) in Q3 2026?

China's Q2 2026 GDP growth officially registered at 4.3% year-on-year, marking the weakest pace since Q4 2022 and falling below the 4.5% forecast and the government's 4.5–5% full-year target. This slowdown was driven by sluggish domestic demand and a deepening real estate slump, yet it did not trigger a collapse to sub-3.4% levels. Economists polled by Reuters expect a modest rebound in Q3 2026 to 4.6%, supported by resilient exports and targeted policy stimulus, while Trading Economics models project an even higher 5.20% for the quarter. The consensus view firmly places Q3 growth above 4.5%, making the <3.4% scenario a tail risk rather than the base case.

Market-implied probabilities and trader sentiment on Polymarket assign a 28% chance to the <3.4% outcome, reflecting uncertainty but not consensus. The leading market outcome is the 4.6–4.9% bracket at 56% probability, aligning with economist forecasts and institutional views from Goldman Sachs (4.8% full-year) and the IMF (4.6% full-year). Even conservative forecasts from UBS (4.5%) and Standard Chartered (4.6%) remain significantly above the 3.4% threshold. The 28% probability likely captures extreme downside scenarios such as a deeper export shock, delayed stimulus, or financial instability, but these are not the prevailing expectation.

Key supporting factors include strong export performance, AI-related demand, and green-transition investment, which offset weaknesses in private investment and consumption. The government's commitment to the 4.5–5% target, coupled with a $1.5 trillion debt campaign and fiscal repairs, provides a policy floor that makes a collapse below 3.4% unlikely. While risks like the ongoing real estate slump and weak domestic demand persist, the combination of external demand strength and policy support suggests Q3 growth will remain in the 4.5–5% range, consistent with historical resilience and forward-looking models.