US CPI rose 0.4% in August; 3.4% from a year earlier

The Bureau of Labor Statistics said the seasonally adjusted Consumer Price Index rose 0.4% in August 2026, putting annual inflation at 3.4%. Core CPI, which excludes food and energy, rose 0.3% on the month and 2.4% on the year.

• Headline CPI rose 0.4% in August; 3.4% from a year earlier
• Core CPI (ex food & energy) rose 0.3% in August; 2.4% from a year earlier
• Index level 334.1 (1982-84=100, seasonally adjusted)
• Monthly change from the seasonally adjusted index, 12-month change from the unadjusted index, as published on the release date (ALFRED vintage)