OECD significantly revises upward: U.S. inflation forecast for 2026 soars to 4.2%, well above the Federal Reserve's 2.7% estimate

One of the world’s most important economic policy organizations, the OECD, significantly revised its forecast for U.S. inflation in 2026 in its mid-March economic outlook report, raising the full-year forecast to 4.2% from the previous estimate of 2.8%, a jump of 1.4 percentage points. This is well above the Federal Reserve (Fed) officials’ recent update of 2.7%.

Two main reasons: Iran war + ongoing tariff impacts

The OECD pointed out that the upward revision mainly stems from two factors: first, the Iran war in the Middle East has driven up global energy prices; second, although U.S. tariffs have been lowered from their peak, they still continue to exert pressure on global prices.

“The scope and duration of the conflict remain highly uncertain, but long-term increases in energy prices will significantly raise corporate costs and drive consumer inflation, adversely affecting growth.”

The Fed faces a dilemma: inflation far above target, limited room to cut rates

The OECD predicts that, under a baseline scenario, the Federal Reserve will keep interest rates unchanged until 2027, citing recent persistent inflation, core inflation expected to remain above target, and steady GDP growth. The OECD forecasts U.S. core inflation (excluding energy and food) at 2.8% in 2026, decreasing to 2.4% in 2027.

The OECD also warns central banks to “remain vigilant”: “Global energy price increases driven by supply-side factors can be watched as long as inflation expectations remain stable. However, if broader price pressures or signs of labor market weakness emerge, policy adjustments may be necessary.”

Inflation expected to sharply decline to 1.6% in 2027

Despite the significant upward revision of the 2026 inflation forecast, the OECD expects U.S. inflation to sharply fall to 1.6% in 2027, below the Fed’s forecast of 2.2% and the Fed’s 2% target. This indicates that the OECD views this wave of inflation, mainly caused by energy supply shocks, as a temporary phenomenon rather than a structural problem.

On growth, the OECD forecasts U.S. GDP growth at 2% in 2026 (up 0.3 percentage points from previous estimates), slowing to 1.7% in 2027. This report, published on the same day as the OECD’s assessment of the Eurozone, confirms that the Eurozone also faces stagflation risks, but its growth outlook is much weaker than that of the U.S.

This article, OECD significantly revises: U.S. 2026 inflation forecast surges to 4.2%, far exceeding the Fed’s 2.7% estimate, first published by Chain News ABMedia.