Inflation.
In plain English
Inflation measures how much more expensive things get over time. The Bureau of Labor Statistics tracks it through the Consumer Price Index (CPI), which monitors the prices of a basket of goods and services. The Federal Reserve generally targets 2% annual inflation as 'normal.' When inflation is much higher (or lower), the Fed adjusts interest rates to nudge it back.
01Why it matters
Inflation is why money sitting in a checking account loses value over time. At 3% inflation, $10,000 today has the buying power of about $7,440 in 10 years. This is the reason 'safe' money in a low-yield account isn't really safe long-term, the dollar amount stays constant, but what it can buy shrinks. Investments that beat inflation are how you preserve and grow real wealth.
02The math, step by step
A movie ticket that cost $5 in 2000 cost about $11 in 2024. The ticket didn't change. The dollar lost roughly half its buying power for movie tickets over those 24 years. Average annual inflation in that period was about 2.5-3%.
Illustrative example. The amounts here are hypothetical, chosen to show how the math works, not real quoted rates or figures.
03What this is NOT
If gas prices spike for a few months, that's a price change, not necessarily a change in the inflation rate. Inflation is the broad average across thousands of goods and services. A spike in one category usually doesn't move the overall inflation number much; widespread, sustained price rises do.
04Receipts
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Plain-English answers from our glossary. Receipts included. Never advice.
Educational tool. Answers come only from ClearMoneySchool's published glossary and are not advice. Why we never give advice