Inflation is one of the most talked-about numbers in the news, and one of the most misunderstood. It isn't a measure of how expensive things are. It's a measure of how fast prices are rising. Understanding that difference explains a lot about why everyday life can feel more expensive even when "inflation is coming down."
What the inflation rate actually measures
The number you hear most often is the Consumer Price Index (CPI), published monthly by the U.S. Bureau of Labor Statistics. It tracks the prices of a large basket of goods and services that urban households buy, including rent, groceries, gasoline, car insurance, medical care, clothing and haircuts, and compares them with the same month a year earlier.
When you hear "inflation is 3.4%," it means that basket costs about 3.4% more than it did 12 months ago. In August 2026, that was the actual figure: prices for all items rose 3.4% over the year.
Where prices are rising fastest right now
| What you buy | Change over 12 months | What it means for a typical monthly bill |
|---|---|---|
| Gasoline | +27.4% | $200 of gas now costs about $255 |
| Electricity | +3.8% | A $150 bill is now about $156 |
| Restaurants and takeout | +3.4% | $300 of meals out is now about $310 |
| Rent | +2.7% | $1,800 rent becomes about $1,849 at renewal |
| Groceries | +2.2% | A $700 grocery budget is now about $715 |
| New vehicles | +0.6% | Nearly flat |
| Car insurance | −5.1% | Premiums eased after several years of sharp increases |
Source: U.S. Bureau of Labor Statistics, Consumer Price Index release for August 2026 (published September 11, 2026). Figures are 12-month, not seasonally adjusted changes for all urban consumers (CPI-U).
Notice how uneven this is. Gasoline is up more than a quarter while car insurance fell. That's why your own experience of inflation can be very different from the headline number. Our Personal Inflation Rate Calculator uses these figures with your own budget.
Why prices don't go back down
This is the most common frustration with inflation news. When inflation "cools" from, say, 8% to 3%, prices are still rising, just more slowly. They almost never return to where they were.
- Disinflation means prices are rising more slowly. This is what usually happens after an inflation spike.
- Deflation means prices are actually falling. It's rare across the whole economy and usually tied to recessions.
From 2020 to 2025, overall prices rose about 24%, according to CPI annual averages. Even with inflation back near 3%, that higher price level is permanent. Something that cost $100 in 2020 cost about $124 in 2025. What restores buying power isn't prices falling, but wages and savings growing faster than prices.
Shrinkflation: the hidden price increase
Sometimes the price stays the same but the package gets smaller, such as 16 ounces becoming 14. The BLS adjusts for package size when it measures prices, so shrinkflation is counted in the CPI. At the store, the best defense is the unit price (price per ounce or per count) on the shelf tag.
Practical ways to soften inflation's impact
- Target the fastest-rising categories. Right now that's gasoline, so combining trips, carpooling or using a fuel rewards program saves more than cutting elsewhere.
- Re-shop what has fallen. Car insurance prices dropped nationally over the past year. If your renewal went up, get competing quotes.
- Compare unit prices and consider store brands for groceries.
- Make sure your money is growing. Savings earning less than inflation lose buying power every year. See who wins and loses from inflation.
- Check your raise against inflation. See is your raise beating inflation?
Frequently asked questions
What is a "normal" inflation rate?
The Federal Reserve targets 2% inflation over time. Using CPI annual averages, U.S. inflation averaged about 2.4% a year from 2000 to 2010 and about 1.7% a year from 2010 to 2020, before jumping in 2021–2022.
What's the difference between headline and core inflation?
Headline inflation includes everything. Core inflation excludes food and energy, whose prices swing a lot, to show the underlying trend. In August 2026, core inflation was 2.4% while headline was 3.4%, largely because of gasoline.
How can I see what an old price is worth today?
Use our Inflation Calculator, which converts any amount between years from 1913 to 2025 using official CPI data.