What Is Inflation, and Why Does It Matter to You?
Inflation is the rate at which prices rise, and it is the single force that has done most to shape Ghanaian financial outcomes over the past decade. Here is how it is measured, what drives it, and what it does to money you are holding.
Head of Macroeconomic Research · · 2 min read
Illustrative sample. This guide was written to demonstrate FlowWealth’s publication format and is not a published research view. Figures are illustrative and must not be relied upon for any decision.
What is it?
Inflation is the rate at which the general level of prices rises over time. When inflation is 12%, a basket of goods that cost GHS 100 a year ago costs about GHS 112 today. The same money buys less. Inflation is not any single price going up — it is the broad tendency of prices across the economy to rise together.
Why does it matter?
Inflation determines what your money is worth. It sets the bar every investment must clear before it produces a genuine gain, drives the interest rates you are offered on loans and savings, and erodes fixed incomes and unindexed salaries. For most Ghanaian households over the past decade, inflation has affected financial outcomes more than any investment decision they made.
A Ghanaian example
Consider a household spending GHS 3,000 a month on food, transport and utilities in 2024. At an average inflation rate of around 20% a year, the same basket would cost roughly GHS 3,600 a year later and about GHS 4,320 the year after that. If the household's income stayed at GHS 3,000 across those two years, nothing about their spending changed — but they could afford roughly 30% less of it. No decision was made. The purchasing power simply left.
The numbers
- Who measures itPublished monthly
- Ghana Statistical Service
- What is measuredA representative basket of goods and services
- Consumer Price Index
- Headline inflationIncludes volatile food and energy prices
- All items in the basket
- Core inflationA better guide to underlying price pressure
- Excludes food and energy
- Year-on-yearThe figure usually quoted in the news
- Change against the same month a year earlier
Headline and core, and why the distinction matters#
Two inflation figures are published, and the difference between them tells you more than either alone.
Headline inflation covers everything in the basket, including food and energy. It is what most people experience directly, and what gets reported.
Core inflation strips out food and energy, because those prices swing on weather, harvests and global oil markets rather than on conditions in the domestic economy.
Central banks watch core because it is the better guide to whether price pressures are genuinely receding. When headline falls but core does not, the improvement is usually temporary — food and fuel prices stopped rising, but the underlying pressure is intact. When both fall together, the disinflation is more likely to hold.
This is not a technicality. It is the distinction that determines whether a falling inflation print is good news or a pause.
Where inflation comes from#
Broadly, from two directions.
Demand-driven inflation occurs when spending outpaces the economy's capacity to produce. Too much money chasing too few goods. This is the type that interest rates address effectively.
Supply-driven inflation occurs when producing or importing goods becomes more expensive: a poor harvest, higher global oil prices, or a weaker currency raising import costs. Interest rates address this only indirectly, which is a real limitation for an economy as import-dependent as Ghana's.
Ghana has frequently faced both simultaneously, which is one reason inflation has been difficult to bring down and has stayed high longer than in economies where the source is more clearly one or the other.
Disinflation is not deflation#
A common misreading of the news deserves flagging.
When the rate falls from 25% to 15%, prices are still rising — at 15% a year instead of 25%. Nothing has become cheaper. That is disinflation, and it is the usual meaning of "inflation is falling".
Deflation, where prices actually fall, is rare and brings problems of its own. Ghana has not experienced sustained deflation.
So the correct response to a falling inflation print is relief that things are getting worse more slowly — not an expectation that prices will return to where they were. They will not.
Common Mistakes
- Confusing a fall in the inflation rate with a fall in prices — lower inflation means prices are still rising, just more slowly.
- Watching only headline inflation, which is dominated by volatile food and fuel prices.
- Assuming the national rate reflects your own spending, when your basket may differ substantially.
- Ignoring inflation when judging investment returns, which makes every nominal number look better than it is.
- Expecting an interest rate change to affect prices quickly — the transmission takes several quarters.
FlowWealth Takeaway
Inflation is the rate at which your money loses purchasing power. It is the hurdle every investment must clear to produce a real gain. Track it, subtract it from every return you are quoted, and remember that falling inflation means prices are rising more slowly — not that anything has become cheaper.
Sources
- Ghana Statistical Service, Consumer Price Index monthly bulletin
- Bank of Ghana, Monetary Policy Reports
This is financial education, not investment advice. It explains how something works; it does not recommend what you should do. What is appropriate for you depends on your circumstances, and FlowWealth does not provide personalised investment advice.
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