The Spanish Minimum Wage (SMI) has increased in 2026 to €1,221 gross per month in 14 payments, equivalent to €17,094 per year.
This increase in the SMI impacts not only the minimum statutory salary received by employees, but also employer costs, social security contributions and payroll income tax (IRPF) withholdings. For this reason, its implementation should be reviewed from both a labour and a tax perspective.
In this alert, we summarise the key practical aspects that companies and employees should review.
SMI amounts for 2026
The minimum wage is set at:
- €1,221 gross per month (14 payments)
- €17,094 gross per year
- €40.70 gross per day for full-time work
These amounts are mandatory for all companies and must be respected for full-time contracts and, proportionally, for part-time arrangements.
Beyond the monthly figure, it is advisable to analyse the evolution of the SMI in recent years in order to assess its cumulative impact on salary structures and cost planning.
Evolution of the SMI in recent years
Looking back, the SMI has not changed sporadically but has followed a clearly upward trend over recent years.
The chart above shows at a glance how today’s minimum wage differs significantly from that of ten or fifteen years ago. What initially seemed to be isolated increases has become a sustained trend.
SMI increase and IRPF 2026: how they interact
To prevent the salary increase from resulting in a higher tax burden for lower income brackets, certain IRPF (Personal Income Tax) parameters applicable to employment income have been adjusted for 2026.
In practice, this means that companies must recalculate payroll withholdings in line with the new thresholds and reductions.
This may affect:
- The applicable withholding rate.
- The reduction for employment income.
- The possible obligation to file a tax return in certain cases.
The aim is to avoid a situation where a salary increase is effectively neutralised by an automatic rise in withholding.
That said, the outcome will not be identical for all employees. Family status, number of children, disability status or additional sources of income may modify the applicable rate.
For this reason, what truly matters is verifying how the change is reflected in each employee’s net salary in practice.
What companies should review
From an employer’s perspective, it is advisable to check:
- That all salaries comply with the new SMI 2026.
- That part-time contracts are adjusted proportionally.
- That IRPF withholdings are being applied in accordance with the updated parameters.
- The overall impact on labour costs, including social security contributions.
- Consistency with collective bargaining agreements and internal salary tables.
In sectors with a higher concentration of salaries close to the minimum wage, the impact may be significant from a budgeting perspective.
What employees should review
For employees, the key points are:
- Confirm that their salary reflects the new minimum amount.
- Check that the withholding applied matches their personal circumstances.
- Assess whether the new income level may affect their annual tax return.
In some cases, requesting a voluntary adjustment of withholding may help avoid future tax regularisations.
A coordinated labour and tax review
The 2026 SMI increase and the related IRPF adjustments are directly connected. It is not only a salary matter nor solely a tax issue: both changes affect how payroll is calculated and how tax obligations are managed.
Reviewing both aspects together helps prevent withholding errors, discrepancies in net salary or subsequent adjustments that may create unnecessary complications.
From LEIALTA’s labour and tax practice, we support companies in the practical review of these changes, ensuring correct implementation and avoiding unexpected issues going forward.
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