IMF says AI investment propping up global growth, but war and debt threaten outlook

The International Monetary Fund, or IMF, is an international financial institution that studies economies and advises countries on economic and financial issues. Its global growth forecast measures the expected change in worldwide real GDP, which removes the effect of rising prices. It therefore shows whether the world is producing more goods and services.

The IMF forecasts global real GDP growth of 3.1% in 2026. It also projects 3.4% growth in 2027. These figures combine expected performance across advanced, emerging and developing economies, rather than describing any single country's result.

The forecast matters because it provides a common benchmark for governments, companies and investors. The IMF says growth remains resilient, but risks are tilted downward. War-related energy costs, weaker fiscal prospects, extreme weather and uncertainty over AI profitability could all reduce actual growth below the forecast.

The IMF forecasts 3.1% global real GDP growth in 2026. Real GDP tracks changes in economic output after removing inflation, so this figure describes actual expansion rather than simply higher prices. The projection suggests continued growth, but not a return to the stronger pace recorded previously.

The comparison is clear: global growth was 3.5% in 2025, while the IMF expects 3.1% in 2026. That is a 0.4 percentage point slowdown. The IMF had forecast 3.0% growth in July, so its latest 2026 estimate is slightly more optimistic than before.

Strong investment in AI infrastructure is supporting the upgrade. However, the forecast remains exposed to prolonged Middle East conflict, expensive oil, weaker fiscal positions and possible disappointment over AI profits. For 2027, the IMF expects growth to improve to 3.4%, assuming shipping conditions gradually return toward pre-war levels.

Investment in AI infrastructure means spending on the systems needed to develop and use artificial intelligence. That spending can raise demand for equipment, construction, software, energy and related services. It supports economic activity before AI delivers its full productivity gains.

The United States is expected to benefit from AI investment alongside strong private consumption and tax cuts. China is also investing, but higher oil prices and weak domestic demand limit its growth. South Korea, Malaysia, Mexico and Thailand gain more directly because they supply AI hardware or participate in related production networks. Europe benefits through German chemical production and wider AI value chains.

The IMF raised forecasts for several economies linked to AI investment. Thailand, which hosts the meetings, is among the hardware suppliers receiving an upgrade. Britain and the euro zone also received higher forecasts. The gains are uneven because countries outside these investment and supply networks have fewer channels to capture the spending.

The IMF's baseline assumes an average oil price of $96 a barrel in 2026 and $87 in 2027. It also assumes the Strait of Hormuz reopens in March 2027 and shipping broadly returns to pre-war conditions by October. These assumptions underpin the central growth and inflation forecasts.

In the adverse scenario, a worsening war keeps oil at $130 a barrel through the first quarter of 2027. Compared with the baseline, global growth falls by 0.2 percentage point in 2026 and 0.5 percentage point in 2027. The energy shock raises costs for businesses and households, reducing spending and production.

Inflation would also accelerate. The IMF says 2027 inflation would rise by another 1.1 percentage point, reaching 5.2%. Countries and companies have softened the shock by using reserves, finding alternative suppliers, switching energy sources and reducing oil demand. The IMF warns those protections are fading as the conflict continues.

AI creates uneven benefits because investment does not spread equally across the world. Countries hosting AI platforms, producing hardware or supplying connected industries receive new orders, capital and jobs. Countries outside those networks have fewer ways to capture the spending. This creates a widening gap in economic performance.

South Korea, Malaysia, Mexico and Thailand are highlighted as AI hardware suppliers. Germany benefits from chemical production linked to AI value chains, while the United States gains from large AI investment. By contrast, many energy importers face higher oil costs. Their businesses and households pay more, while they may not receive new AI-related export demand.

The divergence is already visible in the IMF's forecasts. Just 32 countries now account for 95% of global growth, compared with 54 in April. The IMF downgraded 47% of economies since April, including several energy importers outside AI value chains. This leaves more countries vulnerable to debt pressures and future shocks.

AI investment is currently supporting global growth, but that support depends partly on companies expecting useful and profitable results. If productivity gains fail to appear, businesses may decide that planned AI projects are not worth the cost. A sharp reduction in investment would remove an important source of demand.

The mechanism would work through weaker spending on AI hardware, data infrastructure, software, construction and related services. Countries that supply AI equipment or participate in AI value chains could be hit particularly hard. The United States, South Korea, Malaysia, Mexico and Thailand are among the economies identified as benefiting from this investment.

The IMF explicitly lists a reassessment of AI profitability as a downside risk. The provided article does not quantify how much global GDP would fall under this scenario. It does show that growth is already concentrated: 32 countries account for 95% of global growth, making a reversal potentially significant for countries relying on AI demand.

Public debt is the accumulated money a government owes to lenders after borrowing. Governments borrow by issuing bonds or taking loans, often to fund services, investment or emergency support. Debt itself is not automatically harmful, but its size and repayment cost matter. High debt can make public finances more vulnerable to shocks.

When lenders see a heavily indebted government as riskier, they may demand higher interest rates. The government then spends more on interest payments. That can crowd out infrastructure, education, health spending or tax relief. Higher government borrowing costs can also influence borrowing costs for businesses and households, reducing private investment and consumption.

Slower growth can follow if spending and investment weaken. The IMF warns that worsening fiscal prospects could further weaken the global outlook, while more countries are vulnerable to rising debt loads. The article does not provide a specific debt-to-growth threshold or interest-rate estimate, so the exact impact depends on each country's finances and economic conditions.