What is Nominal vs Real Terms?

Full Definition

A nominal figure -- a salary, a savings balance, a house price, or a State Pension amount -- is stated in the actual number of pounds at the time in question, with no adjustment for how prices have changed. A real figure adjusts the nominal amount for inflation, typically using the Consumer Price Index or Retail Price Index, to express it in terms of purchasing power at a chosen reference point (often today's prices), making it possible to compare amounts from different years on a genuinely like-for-like basis. The distinction matters because a nominal increase does not automatically mean an improvement in real terms: a 3% pay rise in a year when inflation runs at 5% represents a real-terms pay cut, since the pay rise fails to keep pace with rising prices, even though the nominal (headline) pay figure has gone up. The same distinction applies across many areas of UK personal finance -- the Personal Allowance and other tax thresholds frozen in nominal terms while prices rise represent a real-terms tax increase through fiscal drag, and the State Pension triple lock is specifically designed to protect its real-terms value by uprating it each year by whichever of inflation, average earnings growth or a fixed minimum percentage is highest -- which is why financial commentary on wages, benefits, savings returns and investment performance routinely distinguishes between nominal change (the raw pounds and pence movement) and real change (the movement after adjusting for inflation).

How Nominal vs Real Terms is calculated

Worked example: GBP 1,000 saved 10 years ago, now worth GBP 1,000 in nominal (face value) terms, has lower real (inflation-adjusted) purchasing power if prices have risen over that decade -- e.g. at 3% average annual inflation, GBP 1,000 nominal 10 years ago is worth only about GBP 744 in today's money in real terms.

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