What is inflation and how does it affect your savings?

If a basket of groceries costs more this year than it did last year, you have seen inflation at work. It is one of the most important ideas in personal finance, because it decides what your savings will actually be worth in the future. This guide explains what inflation is, how it is measured in Uzbekistan, how to tell a real return from a nominal one, and what savers usually do about it.

What inflation is

Inflation is the general rise in prices across the economy over time. When prices rise, each soʻm buys a little less than before. Economists call this a loss of purchasing power.

Inflation is about the overall price level, not a single product. The price of one item can jump because of a bad harvest or a supply problem, while other prices stay flat. Inflation describes what happens to prices on average.

A small, steady rate of inflation is normal in most economies. Problems start when prices rise quickly or unpredictably: it becomes harder for families to plan, and money kept in cash loses value faster.

How inflation is measured in Uzbekistan

The most common measure is the consumer price index (CPI). Statisticians track the prices of a fixed basket of goods and services that households typically buy, such as food, clothing, utilities and transport, and see how the cost of that basket changes over time.

In Uzbekistan, the official statistics agency publishes consumer price data on stat.uz. The Central Bank of Uzbekistan (CBU) uses inflation as the main guide for its monetary policy, sets an inflation target and publishes its analysis and forecasts on cbu.uz. When you want to know the current inflation rate, those two official sources are the place to look, because any figure printed in an article soon goes out of date.

Keep in mind that the official index is an average. Your personal inflation can be higher or lower depending on what you spend your money on. A family that spends most of its budget on food will feel food prices more than the headline number suggests.

What inflation does to money you save

The effect of inflation is easiest to see with an example. The numbers below are hypothetical and chosen to keep the arithmetic simple.

Suppose you keep 10,000,000 soʻm in cash at home, and prices rise by 10% over the year. At the end of the year you still have 10,000,000 soʻm, but the things that cost 10,000,000 soʻm a year ago now cost 11,000,000 soʻm. Your money buys about 9% less than before. Nothing was taken from you, yet you are poorer in real terms.

Over several years the effect adds up. A quick way to estimate it is the Rule of 72: divide 72 by the yearly inflation rate to get the approximate number of years it takes for money to lose half its purchasing power. At a hypothetical 6% a year, that is about 12 years. At a hypothetical 12% a year, it is about 6 years. The rule is a rough estimate, not an exact calculation, but it shows why cash left idle for a long time loses ground.

Nominal and real return

The nominal return is the percentage your money grows in soʻm, before taking inflation into account. The real return is what is left after inflation, and it tells you whether your purchasing power actually grew.

A simple approximation is:

• real return ≈ nominal return − inflation

For example, and again with hypothetical numbers: if a deposit pays 15% a year and inflation over that year is 10%, your real return is roughly 5%. If the deposit pays 8% and inflation is 10%, your real return is roughly minus 2%: you have more soʻm, but they buy less. The exact formula divides instead of subtracts, (1 + nominal) ÷ (1 + inflation) − 1, which gives a slightly smaller number, but the approximation is enough for everyday decisions.

Tax matters too. If interest or dividends are taxed, the part that stays with you is smaller, so compare the after-tax return with inflation.

This is why a return figure on its own tells you little. Always ask what it is compared with. The article compound interest explained shows how returns build on each other over many years, and inflation compounds in exactly the same way.

How savers try to keep up with inflation

There is no product that protects you from inflation completely and without risk, but there are several common approaches. Each one has trade-offs.

• Bank deposits. Deposit rates tend to move with the central bank's policy rate, which the CBU sets with inflation in mind. A deposit can give you a positive real return when its rate is above inflation, but that is not guaranteed. See interest rates and the CBU policy rate.
• Bonds. A bond pays a coupon fixed in its terms. If inflation rises unexpectedly after you buy, the fixed coupon buys less and the bond's market price may fall. You can browse listed bonds on the UZSE bonds page.
• Shares. Companies can sometimes raise their prices along with inflation, so over long periods shares have the potential to grow faster than prices. In the short term, though, share prices can fall sharply, and there is no guarantee they will beat inflation. The stocks page lists shares traded on UZSE.
• Foreign currency and gold. Some people hold part of their savings this way. Their value in soʻm moves with exchange rates and world prices, and it can go down as well as up.

Many people combine several of these rather than relying on one. Spreading money across assets is explained in diversification and risk. Before any investing, it also makes sense to keep an emergency cushion in an easily accessible form, even if it earns little.

If you want to practise without risking real money, you can create a free Finmind account on Finmind and try the simulator, or take the free tutorials, which also cover inflation and real returns.

This article is for education only and is not investment advice. Investing in securities involves risk, including the loss of money you invest.