US May consumer prices see largest jump in 3 years, up 4.2% year-on-year

U.S. consumer prices surged in May, marking the steepest annual increase in three years. The Consumer Price Index (CPI) rose 4.2% compared to the same month last year, accelerating from April's 3.8% annual rise, according to data released by the U.S. Bureau of Labor Statistics.

On a monthly basis, consumer prices climbed 0.5% in May. While this represents a slight deceleration from the 0.6% increase seen in April, it signifies the third consecutive month of robust price growth. This persistent upward trend has fueled concerns about inflation.

The primary driver behind the elevated inflation figures was a significant jump in energy costs. National average gasoline prices, according to the U.S. Energy Information Administration, increased by 8.8% in May compared to the previous month, reaching an average of $4.60 per gallon.

While the Federal Reserve monitors the Personal Consumption Expenditures (PCE) price index for its 2% inflation target, the current CPI data, along with recent strong employment figures, suggests inflation remains well above the desired level. This trend could influence the Federal Reserve's monetary policy decisions regarding interest rates.