U.S. inflation climbed to 3.7% in September, up from 3.4% in August, the Labor Department reported Wednesday. This marks an acceleration in price increases, driven by higher costs for gasoline, clothing, and airfares. On a monthly basis, consumer prices rose 0.6% from August to September, the largest increase in five months.
The rise in inflation underscores the persistent economic challenge of rising prices, particularly significant as the midterm elections approach, with affordability being a key focus.
The increase is partly attributed to the impact of the Iran war on gas prices, which have seen a more than 9% jump from August to September. However, the surge in costs is not solely due to energy prices. Increased investment in data centers and artificial intelligence has also driven up prices for computer chips and consumer electronics.
Excluding the volatile food and energy categories, core inflation rose to 2.6% in September from a year ago, an increase from 2.4% in August. Month-over-month, core prices increased by 0.3%, a pace that, if sustained, would exceed the Federal Reserve's 2% target.
Federal Reserve officials are closely monitoring inflation data to guide decisions on future interest rate adjustments. Some officials have suggested the central bank may need to raise rates further to combat stubborn inflation, while others indicate a pause may be possible. The Fed has scheduled a policy meeting for October 27-28, with many market observers anticipating a hold on rates during this meeting, potentially followed by another hike in December.
While higher interest rates aim to curb spending and slow economic growth, experts note that current inflationary pressures are also influenced by supply shocks, such as disruptions to oil and gas supplies. Higher interest rates are not equipped to address these types of supply chain bottlenecks.
Beyond energy, other sectors are also experiencing price hikes. PepsiCo recently announced price increases for its snack foods and some sodas to offset rising costs for fuel, aluminum, and food ingredients. The buildout of artificial intelligence infrastructure has also significantly increased the cost of semiconductors and electronic components, leading to more expensive consumer electronics like gaming devices, laptops, and smartphones. Goldman Sachs estimated that the AI buildout has added approximately half a percentage point to the annual inflation rate.
In the retail sector, Nintendo increased the price of its Switch 2 gaming system by 11% to $499.99 in early September. Similarly, Apple's latest iPhone model saw a price increase of about 10% compared to its predecessor, though this also reflects enhanced capabilities.
The persistence of inflation has political implications, with a recent AP-NORC poll indicating that only 17% of U.S. adults approve of former President Trump's handling of the cost of living issue, and 26% approve of his overall economic management, a new low.