March Inflation Hits Highest Since 2022 as Gas Prices Surge

U.S. Consumer prices climbed 3.3% over the 12 months to March 2026, marking the largest monthly gain since 2022. According to Labor Department data released April 10, 2026, this represents a sharp acceleration from the 2.4% inflation rate recorded in February 2026.

The surge was driven almost entirely by a spike in energy costs following the US-Israel war against Iran, which left the vital Strait of Hormuz largely closed. On a monthly basis, headline prices rose 0.9% in March, a figure that aligned with expectations from economists surveyed by Bloomberg.

Record Surge in Gasoline Costs

The gasoline index soared 21.2% from February to March 2026, the single-largest monthly increase since the government began tracking the series in 1967. The Labor Department stated that this increase accounted for nearly three-quarters of the total monthly gain in inflation.

The conflict sent gasoline prices skyrocketing past $4 a gallon. According to the American Automobile Association, the nationwide average cost of a gallon of gas reached $4.16. The impact was more severe in California, where the average price reached $5.93.

Other energy sectors experienced similar volatility. Prices for fuel oil jumped more than 30% in March, representing the biggest surge in that category since February 2000.

Broader Economic Impacts

While energy costs were the primary driver, other sectors showed varied movement. Airfares increased 2.7% from February levels. The index for food remained flat though specific categories saw significant fluctuations; the price of tomatoes rose 15.3% on the month, while the price of hot dogs declined by 3.6%.

Economists have compared the current situation to the energy shock caused by Russia’s invasion of Ukraine in 2022. Claudia Sahm, chief economist at New Century Advisors, described the current state of the economy to Yahoo Finance as a whiplash economy.

The market was braced for a hot print, so today’s inline number is a slight relief. However, it may be the best headline inflation number we see for a while as it may only partially capture the full force of the Iran conflict, which sent US crude and US gas up 70% at peak.

Alexandra Wilson-Elizondo, multiasset solutions global co-head at Goldman Sachs Asset Management

Market and Political Context

The sharp rise in inflation creates significant challenges for the Federal Reserve’s efforts to manage price stability. The rising costs have increased political pressure on the White House.

The Labor Department’s report indicates that the March figures may only reflect the earliest impacts of the conflict in Iran, suggesting further price volatility as the war continues to affect global energy supplies.