Global forecasting group sees U.S. inflation at 4.2% this year, much higher than Fed estimate

• The OECD sharply raised its 2026 U.S. inflation forecast from 2.8% to 4.2%, citing prolonged higher energy prices from the Iran conflict and persistent tariff impacts on global prices
• The organization expects inflation to drop significantly to 1.6% in 2027, below the Fed's 2% target, with the Fed likely keeping rates flat through 2027
• U.S. GDP growth is projected at 2% for 2026 before slowing to 1.7% in 2027, following a sharp deceleration to 0.7% in Q4 2025

Summary

The Organization for Economic Cooperation and Development (OECD) has sharply revised its U.S. inflation forecast for 2026 to 4.2%, significantly higher than the Federal Reserve's estimate of 2.7% and up dramatically from the OECD's previous projection of 2.8%.

Key Drivers

The upward revision stems from two primary factors:

• The Iran war's impact on global energy markets, creating prolonged higher energy prices
• Ongoing effects of U.S. tariffs that continue to pressure prices globally

Inflation Trajectory

• 2026 headline inflation: 4.2%
• 2027 headline inflation: Expected to decline sharply to 1.6% (below the Fed's 2% target and its 2.2% estimate)
• Core inflation (excluding food and energy): 2.8% in 2026, falling to 2.4% in 2027

Policy Implications

The OECD forecasts the Federal Reserve will maintain its current policy rate through 2027, citing near-term headline inflation increases, core inflation remaining above target through 2027, and solid GDP growth projections. However, the organization warns central banks must "remain vigilant" and may need to adjust policy if broader price pressures emerge or labor market conditions weaken.

Economic Growth

U.S. GDP growth is projected at 2% for 2026, slowing to 1.7% in 2027, following a sharp deceleration to 0.7% in Q4 2025.

The OECD emphasizes that while supply-driven energy price increases can be tolerated if inflation expectations remain anchored, the conflict's breadth and duration remain highly uncertain, posing adverse consequences for economic growth.