Global Economy
OECD Slightly Lifts 2026 Global Growth Forecast to 2.9% Amid AI Boom and Oil Uncertainty
The OECD has nudged its 2026 global growth forecast up to 2.9%, citing resilient economic activity and strong AI‑related investment, even as geopolitical tensions in the Middle East keep oil prices volatile. The upgrade comes with caveats: a potential escalation of the Iran‑Israel‑U.S. conflict, an intense El Niño, or disappointing AI outcomes could shave 0.7 percentage points off growth in 2027 and add 1.1 points to inflation. In the baseline scenario, G20 inflation is seen at 4.1% this year and 3.6% in 2027, while the U.S., China, eurozone and key European economies show mixed trajectories, with France’s outlook trimmed and Germany, Italy and Spain receiving modest upgrades for 2026.
Listen to this article
Unlock audio versions of premium articles and more with a Pro subscription.
OECD Adjusts 2026 Global Growth Forecast Upward
The Organisation for Economic Co‑operation and Development (OECD) has revised its 2026 world‑growth projection to 2.9%, a slight increase from the 2.8% estimate issued in June. The upgrade follows stronger‑than‑expected economic resilience in many countries, even amid a surge in oil prices triggered by the Middle‑East conflict.
AI Investment and Oil Markets Drive the Revision
The OECD highlighted that persistent dynamism in artificial‑intelligence‑related activities has bolstered investment, production and trade, partially offsetting the drag from higher energy costs. At the same time, the organisation warned that the ongoing war sparked by the U.S.–Israel strikes on Iran could continue to weigh on growth.
Risks That Could Reverse the Gain
Beyond oil market uncertainties, the OECD cited other headwinds: a potentially record‑strength El Niño climate pattern and the possibility that the AI sector fails to deliver on its promises. If these risks materialise, they could together cut global growth by 0.7 percentage points in 2027 and push worldwide inflation up by 1.1 points.
Baseline Inflation Outlook
In its baseline scenario – which excludes the above risks – the OECD expects G20 inflation to average 4.1% in 2026, up from the 4.0% forecast in June, and to ease to 3.6% in 2027 (versus the earlier 3.1% projection).
Regional Growth and Inflation Snapshots
- United States: GDP growth of 2.2% in 2026 and 2.1% in 2027, both revised upward from June; inflation projected at 3.6% in 2026 before falling to 2.6% in 2027, affected by tariffs and energy prices.
- China: Growth seen slowing to 4.5% in 2026 and 4.2% in 2027, unchanged from the June outlook.
- Eurozone: 2026 growth lifted by 0.2 points to 1.0% (versus 1.3% in 2025); 2027 growth trimmed by 0.2 points to also 1.0%. Inflation expected at 3.0% this year and 2.9% in 2027, influenced by low natural‑gas stocks.
- France: 2026 growth cut to 0.4% (down from 0.7%); 2027 growth now 0.7% (down from 0.8%).
- Germany, Italy, Spain: 2026 forecasts raised for each country, while 2027 estimates remain unchanged.
- Japan: Anticipated expansion of 0.8% in 2026 and 0.7% in 2027, compared with a 1.2% rise in 2025, as higher BOJ rates and costly energy imports offset strong corporate investment.
- United Kingdom: 2026 growth upgraded to 1.1% (from 0.9%); 2027 growth dialled back to 1.0% (from 1.1%).
Conclusion
The OECD’s updated forecasts portray a cautiously optimistic picture for 2026, driven by AI‑led investment, but they also underline that geopolitical, climatic and technological risks could quickly erode those gains and exert upward pressure on inflation in the medium term.