Money basics
What Is Inflation and How Does It Affect Your Savings?
Inflation explained simply: why prices rise, how it shrinks the value of cash, and what it means for saving and investing.
Beginner investing lessons and fake-money practice from the maker of Quoliv.
Quick answer
Inflation is the general rise in prices over time, which means each euro or dollar buys a little less each year. Central banks like the ECB and the Federal Reserve aim for about 2% a year. Money left in cash earning less than inflation slowly loses buying power, which is one reason people invest for long-term goals.
What you’ll learn
- Inflation = prices rising across the economy over time.
- The ECB and the Fed both target around 2% a year.
- Cash earning less than inflation loses real value.
- 'Real return' = your return minus inflation.
- Investing can help keep up with inflation over time, but it adds risk.
This explanation is part of our Personal Finance lessons path, where you can explore the idea in short lessons and quizzes.
How inflation eats cash
If inflation is 3% a year, something costing €100 today costs about €103 next year. €100 kept under a mattress still says €100, but it buys less.
| Years | Price of a €100 basket at 3% inflation | What €100 in cash buys |
|---|---|---|
| 0 | €100 | 100% of it |
| 5 | about €116 | about 86% |
| 10 | about €134 | about 74% |
| 20 | about €181 | about 55% |
Why prices rise
Central banks mainly fight high inflation by raising interest rates, which makes borrowing more expensive and cools spending.
- Demand grows faster than supply—lots of people want to buy the same things.
- Costs go up for businesses, like energy, wages, or materials, and get passed on.
- Expectations: if people expect higher prices, they ask for higher wages and businesses raise prices.
Nominal vs real returns
If your savings account pays 2% and inflation is 3%, your nominal return is 2% but your real return is roughly −1%. Your balance grew, but your buying power shrank.
Always ask: did my money grow faster than prices?
What this means for beginners
Cash is still the right home for an emergency fund and short-term goals, because stability matters more than growth there. For long-term goals, many people invest because stocks have historically outpaced inflation over long periods—though with ups and downs and no guarantee.
Sources and methodology
This guide was written for education using the primary sources below. It does not evaluate your finances or recommend an investment. Read our editorial policy.