Level 1 — Absolute Beginner
Prices in America are going up. Inflation is 3.8 percent. That is the highest in three years. The news came out on May 13, 2026.
The big reason is the war with Iran. Oil and gas cost more. Trucks use diesel. Diesel costs 60 percent more than one year ago.
Food and rent are also more expensive. People worry about money. The Federal Reserve may not lower interest rates soon.
- inflation
- when prices go up
- percent
- a part of one hundred
- oil
- a liquid used to make fuel
- diesel
- a fuel that trucks use
- war
- a fight between countries
- rent
- money paid to live in a home
- interest rate
- the cost of borrowing money
- Federal Reserve
- the central bank of America
Level 2 — Elementary
U.S. inflation rose to 3.8 percent in April 2026, according to data released on May 13. It was the fastest pace of price increases in almost three years. The Bureau of Labor Statistics published the new consumer price index report.
Energy costs are the biggest driver. The ongoing war with Iran has disrupted shipping in the Persian Gulf and pushed oil prices higher. The national average for a gallon of diesel has jumped 60 percent in 12 months and now sits at $5.66, close to the all-time high.
Higher fuel costs feed into food, delivery, and rent prices. Families are spending more on basics. Economists say the Federal Reserve will probably keep interest rates high until inflation falls again.
- consumer price index
- a measure of how much prices change for shoppers
- disrupt
- to break the normal flow of something
- Persian Gulf
- the sea between Iran and the Arabian Peninsula
- average
- the typical or middle value
- economist
- a person who studies money and the economy
- rate
- a measure of how much or how fast something is
- basics
- the most important everyday things
- ongoing
- still continuing
Level 3 — Intermediate
U.S. consumer prices rose 3.8 percent in the twelve months through April 2026, the Bureau of Labor Statistics reported on Wednesday, May 13. It was the steepest annual print since mid-2023 and a sharp reminder that the war between the United States and Iran is still rippling through the American economy.
Energy is once again the dominant force behind the headline number. With Iranian oil largely off the market and tankers reluctant to transit the disputed Strait of Hormuz, crude prices have remained elevated for months. The national average for diesel — the lifeblood of trucking and freight — has climbed 60 percent year-over-year to $5.66 a gallon, nudging the all-time high of $5.82 set in 2022.
The pass-through into other goods is now becoming visible. Grocery prices, airline fares, and apartment rents all accelerated in the report, and core inflation — which strips out food and energy — also ticked higher, suggesting that the price pressures are no longer confined to fuel.
Federal Reserve officials, who had hinted at rate cuts earlier in the year, now appear likely to keep their benchmark rate on hold. Some economists warn that a third consecutive month of hot inflation could put a renewed hike back on the table, an outcome markets had been pricing as unlikely.
- annual
- happening once a year or measured over a year
- tanker
- a ship that carries large amounts of oil or gas
- transit
- to pass through a place
- elevated
- higher than usual
- freight
- goods carried by truck, ship, or plane
- core inflation
- inflation measured without food and energy prices
- benchmark
- a standard rate used as a point of reference
- hike
- an increase, often in interest rates
Level 4 — Advanced
U.S. headline inflation accelerated to 3.8 percent year-over-year in April, the Bureau of Labor Statistics reported on Wednesday, marking the strongest annual reading in nearly three years and tightening the bind facing Federal Reserve policymakers. The print exceeded consensus expectations and revived a debate that many on Wall Street had assumed was settled when consumer prices appeared to be moderating late last year.
The principal culprit, unsurprisingly, remains energy. Iranian crude has been almost entirely sidelined since the spring escalation, and insurers have continued to demand prohibitive premiums for tankers willing to transit the Strait of Hormuz. The resulting supply shortfall has kept Brent crude trading well above $100 a barrel for most of the second quarter, and diesel — the input most directly tied to logistics and food distribution — has climbed roughly 60 percent in twelve months to a national average of $5.66, knocking on the all-time high set during the 2022 European energy shock.
What is making policymakers nervous is the breadth of the pickup. Core inflation, which strips out volatile food and energy, also strengthened, with shelter, transportation services, and recreation all firming in the seasonally adjusted data. That suggests second-round effects are now flowing through to the broader basket, the very dynamic the Federal Reserve has spent the past two years trying to suppress.
Futures markets, which only weeks ago had been pricing in two cuts before year-end, now imply that the federal funds rate will hold steady through the summer at minimum, with a small but rising probability of an additional hike if the next two CPI prints disappoint. The political pressure on Chair-designate Kevin Warsh, whose Senate confirmation vote is expected before Jerome Powell's term expires May 15, has correspondingly intensified.
- consensus
- general agreement among a group
- moderate
- to become less extreme or strong
- sidelined
- removed from active play or use
- prohibitive
- so high or strict that it discourages people
- premium
- an extra amount paid above the normal price
- basket
- the bundle of goods used to measure inflation
- second-round effects
- the spillover of initial price rises into wages and other prices
- futures market
- a market where contracts on future prices are traded