OECD sees global growth at 2.9%, with energy the key uncertainty
The September outlook projects 2.9% world growth in 2026 and 3.0% in 2027, with energy disruption and AI investment pulling in different directions.
OECD says inventories, supply outside the Gulf and government support cushioned the shock. It expects G20 headline inflation of 4.1% in 2026 and 3.6% in 2027.
Why it matters
This is a worldwide growth and inflation outlook, rather than a decision by one country’s central bank.
The tension is between resilience already observed and the assumptions needed for the next year. Inventories can soften an interruption without replacing lost supply indefinitely. Strong technology investment can support production while energy costs squeeze businesses elsewhere. A global average therefore hides uneven exposure across importers, exporters and industries.
The useful follow-up is whether energy flows recover and investment turns into productive capacity. If supplies normalise, pressure on prices could ease. If disruption persists, slower growth need not bring quick inflation relief. Readers should compare the next forecast with its assumptions, rather than treating the headline as a fixed destination.
Original source · OECD interim economic outlook
Read the original source · Source date: 23 Sep 2026
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