US inflation jumps to 3.8% as energy costs surge from Iran war

US inflation accelerated to its fastest pace in 13 months during April, as geopolitical tensions in Iran triggered cascading cost increases that hit household budgets across the country, new federal data shows.

The Consumer Price Index (CPI), a key benchmark for tracking annual price changes, climbed to 3.8% year-over-year in April, up from 3.3% in March. This marks the highest annual inflation rate recorded since May 2023.

According to analysis from the US Bureau of Labor Statistics (BLS), nearly half of the monthly inflation increase can be traced directly to skyrocketing energy costs. The ongoing US-Israel military operations in Iran have disrupted global oil supply chains by effectively closing the Strait of Hormuz, a critical global shipping chokepoint through which roughly 20% of the world’s oil supplies pass. This disruption has sent fuel prices soaring across the United States.

Data from the American Automobile Association (AAA) confirms that the national average price for a gallon of regular unleaded gasoline now stands at $4.50, the highest level recorded since July 2022. Alongside energy, persistent increases in housing and grocery costs also made notable contributions to the overall inflation uptick. Additional price gains were recorded in airfares and clothing over the 12-month period, while new vehicle prices saw a small decline.

The unexpected jump in inflation has major implications for both monetary policy and domestic politics. The Federal Reserve, which has been weighing potential interest rate cuts this year to support economic growth, now faces growing pressure to keep borrowing costs elevated to tame rising prices. Most analysts now agree that a 2024 rate cut is increasingly unlikely.

For President Donald Trump and the Republican Party, the new inflation data creates significant political headwinds ahead of November’s midterm congressional elections. Trump centered his 2024 re-election campaign heavily on promises to bring inflation down, and the acceleration of price gains will likely become a key talking point for opposition candidates in the upcoming campaign cycle.