In June 2022, the 12-month rise in the Consumer Price Index (CPI) peaked at 9.1%, the fastest pace in 40 years, before dropping to 7.7% in October. This bout of inflation has been driven in large part by steep price hikes for essentials, hitting many U.S. households where it hurts the most. In fact, more than three-fourths of the annual increase in the CPI can be attributed to these six categories.