Every year, at the start of the year, pensions are updated through a revaluation mechanism designed to preserve pensioners' purchasing power against inflation. Understanding how it works helps make sense of the news that appears every December about pension increases.
The link to the CPI
Following pension system reforms, the current revaluation mechanism ties the annual pension increase to the evolution of the Consumer Price Index (CPI), replacing earlier mechanisms that in certain periods had decoupled revaluation from actual inflation, causing pensioners to lose purchasing power in those years.
Why it's calculated on an average, not a single data point
The revaluation percentage isn't based on the CPI for a single month, but on the average year-on-year CPI change over a reference period (usually December to November of the previous year), aiming to smooth out the effect of one-off price spikes or drops in a given month.
Not all pensions necessarily rise by the same amount in euros
Although the revaluation percentage applied is usually the same for all contributory pensions, the resulting increase in euros differs depending on each pension's amount: a higher pension rises by more euros in absolute terms than a lower one, even though the percentage applied is identical for both.
Minimum and non-contributory pensions may have different revaluations
In certain years, minimum pensions and non-contributory pensions have received increases above the general CPI-linked percentage, as an additional measure to reinforce the purchasing power of pensioners with lower incomes, within each year's specific budgetary decisions.
The maximum pension cap is also reviewed
Beyond the general revaluation mechanism, the maximum amount a contributory pension can reach (the maximum cap) is also reviewed annually, generally following a distinct and specific update criterion, not necessarily identical to the one applied to other pensions.
Why this mechanism sparks recurring debate
Linking pensions to the CPI, rather than to other indicators such as wage growth or GDP, has been the subject of recurring debate about the system's long-term financial sustainability, especially in periods of high inflation, since it implies a public spending commitment that grows automatically with prices, regardless of how the system's revenue evolves.
Keep this mechanism in mind for your long-term planning
When planning your retirement, keep in mind that pensions, although revalued, don't necessarily maintain the same relative purchasing power against your last working salary, a factor worth considering alongside any supplementary savings. Our retirement pension calculator gives you a first orientative estimate of your base pension.