English English OECD Warns US Economy Faces Highest G7 Inflation at 4.2 Percent and Slowing Growth in 2026June 18, 2026By Sazzad Hossain The OECD’s June 2026 Economic Outlook projects US inflation at 4.2 percent — the highest in the G7 — and GDP growth slowing to 2 percent, driven by the energy shock from the Iran conflict and ongoing tariff effects.