Real wages

Your nominal wage is the number on your payslip — the currency amount you earn per hour or year. Your real wage is what that amount actually buys: nominal wages divided by (or deflated by) a price index, typically CPI. If your nominal wage rises by 5% but CPI rises by 6%, your real wage has fallen by approximately 1% — you can buy less with your larger nominal payslip.

The formula is simple: Real wage growth ≈ Nominal wage growth − Inflation rate. This is the same logic as the real vs nominal distinction applied to interest rates (Fisher equation) or GDP. In practice, different price indices are used for different purposes: consumer prices (CPI or PCE) for workers' cost of living; the GDP deflator for macroeconomic analysis of the wage share of income.

When inflation rises sharply above nominal wage growth, workers experience a real wage squeeze — purchasing power falls even though paychecks nominally increase. This was widespread across advanced economies in 2021–23: US real wages fell for 24 consecutive months as CPI surged ahead of wage growth. UK real wages fell by over 3% peak-to-trough in the same period, one of the steepest declines in modern history.

The squeeze is self-limiting in a tight labour market: workers eventually bargain for higher nominal wages to compensate, which can trigger the wage-price spiral that central banks fear. The risk is that wage catch-up happens faster than productivity growth supports, embedding inflation rather than just restoring purchasing power. The OECD real wage tracker monitors this across member countries in real time.

Over the long run, real wages can only sustainably grow at the pace of labour productivity — the output produced per hour of work. If real wages consistently grow faster than productivity, unit labour costs rise and firms face margin pressure, eventually forcing price increases or job cuts. If real wages consistently grow slower than productivity, the labour share of income falls and inequality widens.

The 2010s were notable for a productivity-real wage divergence in many advanced economies: productivity grew modestly while real wages stagnated. This was one factor behind low inflation in that period — workers lacked bargaining power to push up wages and therefore prices. The post-2021 episode reversed this: tight labour markets gave workers pricing power, generating both real wage gains and inflationary pressure simultaneously.