How to Check Your Spanish Work History and Contribution Bases

🇪🇸 Read the original in Spanish

Knowing your professional history and the social security contributions you have made over the years is a fundamental right of every worker in Spain. It is also an indispensable tool for planning retirement, applying for benefits, or detecting potential employment fraud. The work history report and the breakdown of contribution bases are the two official documents that certify your relationship with the Social Security system to the Administration and third parties. In this guide, prepared by the experts at AbogadoAI, we will explain in detail and in simple terms how to access these records, what the data in them means, and how to assert your rights if you detect any discrepancies or errors in your history.

The Legal Framework: Why Are Your Work History and Contribution Bases So Important?

The Social Security system in Spain is governed by the principle of contributivity. This means that the amount of the benefits a citizen is entitled to (such as temporary disability, unemployment, or retirement) is directly related to the length of time they have been registered as active and the amount on which they have contributed.

The primary regulatory framework supporting this right is found in Real Decreto Legislativo 8/2015, de 30 de octubre, por el que se aprueba el texto refundido de la Ley General de la Seguridad Social (LGSS) (Royal Legislative Decree 8/2015, of October 30, approving the recast text of the General Social Security Act).

• The duty to contribute: Article 18 of the LGSS establishes the obligation to contribute to the Social Security system for the contingencies and situations determined by law.
• The contribution base: Article 147 of the LGSS regulates the contribution base for all contingencies and situations covered by the Régimen General (General Scheme), stipulating that it consists of the total monthly remuneration that the worker is entitled to receive, or actually receives if it is higher, by reason of their employment.
• The right to information: Article 17 of the LGSS imposes an obligation on the Social Security Administration to provide citizens with the necessary information and guidance regarding their rights and obligations in Social Security matters.

Furthermore, the Estatuto de los Trabajadores (Workers' Statute, approved by Real Decreto Legislativo 2/2015), establishes in Article 20 and matching provisions the employer's management and control powers, but also the worker's right to receive a breakdown of their contributions on their individual pay slip—the nómina (payslip)—where both the employer's and the worker's contributions to the Social Security must be explicitly detailed.

What Exactly Is the Informe de Vida Laboral?

The informe de vida laboral (work history report) is an official certificate issued by the Tesorería General de la Seguridad Social (TGSS - General Treasury of the Social Security) that chronologically lists all the periods during which a citizen has been registered as active—alta (registered/active status)—or in situations treated as active—situación asimilada al alta—in the various schemes of the Spanish Social Security system. These include the Régimen General (General Scheme), the Régimen Especial de Trabajadores Autónomos (RETA - Special Scheme for Self-Employed Workers), the Régimen Especial del Mar (Special Scheme for Mariners), etc.

This document reflects:

• *The exact date of registration (alta) and de-registration (baja)* with each company.
• The contribution group (grupo de cotización), which determines the professional category for contribution purposes.
• The type of contract (full-time, part-time with its respective part-time coefficient, etc.).
• The total number of contributed days accumulated throughout your entire professional career.

What Are Contribution Bases and Why Should You Monitor Them?

While your work history report tells you how long you have worked, the informe de bases de cotización (contribution bases report) tells you how much money you have contributed during that time.

The base de cotización (contribution base) is the monthly figure to which percentage rates (contribution types) are applied to calculate what is paid into the Social Security system. These contributions fund public pensions and benefits. If your contribution base is low, your future benefits (such as your retirement pension or unemployment benefit) will also be low.

Practical Example: The Importance of the Contribution Base in Unemployment Benefits

To understand the real impact of these figures, let us analyze the case of two workers with the same amount of contributed time but different contribution bases:

> Example: Carlos and Sofía have worked for the last 6 years (the maximum required to obtain the maximum duration of the contributory unemployment benefit, which is 720 days or 24 months). Both lose their jobs on the same day due to an objective dismissal. > > Carlos had an average contribution base over the last 180 days of €1,200 per month. > Sofía, with higher qualifications and a higher contribution group, had an average contribution base over the last 180 days of €2,800 per month. > > When applying for the unemployment benefit—commonly known as el paro—the Servicio Público de Empleo Estatal (SEPE - State Public Employment Service) calculates the benefit based on 70% of the regulatory base during the first 180 days of the benefit, and 60% from day 181 onwards. > > Calculation for Carlos: During the first 6 months, he will receive 70% of €1,200, which equals €840 per month. From the seventh month onwards, he will receive 60%, which is €720 per month (always respecting the current legal minimums). > Calculation for Sofía: 70% of her base of €2,800 would be €1,960. However, the law establishes maximum caps on what can be received. If Sofía has no dependent children, the maximum cap for the benefit in 2024 is €1,225 per month. If she has two or more children, the cap rises to €1,575. > > Despite the caps, the difference in the contribution bases ensures that Sofía receives the maximum legal limit allowed, while Carlos receives a significantly lower amount. This same principle applies, even more severely, when calculating your future retirement pension.

Step-by-Step Practical Guide: How to Check Your Work History and Contribution Bases

The Tesorería General de la Seguridad Social has unified these procedures through the digital portal Importass. Below, we detail the exact steps to obtain both reports immediately and free of charge.

Access Prerequisites

To perform the online query, you must have one of the following digital identification methods:

1. Cl@ve Pin or Cl@ve Permanente.
2. Digital certificate (FNMT or similar) or DNI electrónico (electronic ID).
3. Via SMS (only if your mobile phone number is already registered and updated in the Social Security databases).

Step 1: Access the Importass Portal

1. Open your internet browser and go to the official website of the Tesorería General de la Seguridad Social or directly to the Importass portal (importass.seg-social.gob.es).
2. On the home page, you will see a personal area called "Mi área personal" (My Personal Area). Click on it.

Step 2: Identification

1. Select your preferred identification method (for example, "Cl@ve" or "Vía SMS").
2. If you choose "Vía SMS", you must enter your identity document type (DNI or NIE - Foreigner Identification Number), your date of birth, and your mobile phone number. You will immediately receive an 8-digit code on your phone, which you must enter on the screen.

Step 3: Downloading the Work History Report (Vida Laboral)

1. Once inside your personal area, you will see a summary of your current employment status (whether you are registered as active, your current company, and the total days contributed).
2. Look for the section called "Informes y Certificados" (Reports and Certificates).
3. Click on "Informe de vida laboral" (Work history report).
4. The system will allow you to view the document on your screen immediately. To save it, click on the button "Descargar vida laboral" or "Descargar PDF". The file will be saved to your device with a digital verification code that gives it full legal validity before any authority.

Step 4: Downloading the Contribution Bases Report

1. Within the same "Informes y Certificados" section, select the option "Informe de bases de cotización" (Contribution bases report).
2. The system will ask you to select the time period you wish to consult (you can select a specific year or a date range).
3. Click on "Generar informe" (Generate report) and then on "Descargar PDF". You will obtain a detailed month-by-month document showing the bases on which you have contributed during each selected year.

Errors You Must Avoid

When checking these documents or analyzing the information obtained, citizens commonly make mistakes that can harm their future financial rights. Pay close attention to these points:

• Not checking part-time coefficients: If you work part-time (for example, 20 hours a week instead of the standard 40 hours of a full-time working day), make sure that the part-time coefficient reflected in your vida laboral (expressed as a percentage, such as 50%) matches exactly what you signed in your employment contract. A lower coefficient reduces your contributions.
• Ignoring discrepancies between your payslip and the contribution base: Always compare the Base de Contingencias Comunes (Common Contingencies Base) that appears at the bottom of your physical nómina (payslip) with the contribution base shown on the official Social Security report for that same month. If the base on the report is lower than the one on your payslip, the company might be declaring less money than they are withholding from you, which constitutes a serious infringement.
• Not updating your mobile phone number with the TGSS: Many citizens cannot access the portal quickly via SMS because they have an old phone number registered. You can update your phone number using the "Enviar una solicitud" (Submit a request) service on the Sede Electrónica (E-Office) by providing a photo of your ID and a selfie to verify your identity.
• Waiting too long to claim errors: If you detect that a company did not register you (alta) during the first days of your contract, or that periods you worked in your youth are missing, do not ignore it. Claiming contributions through administrative or judicial channels for situations that occurred more than 4 years ago can be extremely complex due to the statute of limitations on contribution obligations.

Frequently Asked Questions (FAQ)

What should I do if I detect an error or a missing period in my vida laboral?

If you notice that a company you worked for is missing or that the registration (alta) and de-registration (baja) dates are incorrect, you must submit a "Solicitud de rectificación de informe de vida laboral" (Request for correction of the work history report) through the Importass portal itself. You must provide all the documentary evidence you have, such as old employment contracts, payslips from that period, or your finiquito (severance pay settlement). The TGSS will carry out the necessary checks with the Inspección de Trabajo (Labour Inspectorate) if required.

Do periods of unemployment (paro) appear on my work history and do they contribute?

Yes. While you are receiving the contributory unemployment benefit (el paro), the Servicio Público de Empleo Estatal (SEPE) makes the contributions to the Social Security. Therefore, this period will appear in your work history as a situación asimilada al alta (situation treated as active). However, you must keep in mind that welfare assistance subsidies (such as the subsidy for workers over 52 years old) have special contribution rules and do not always contribute to all contingencies.

I am a foreigner. Can I request my vida laboral if I have changed from a NIE to a DNI?

Yes, of course. When you obtain Spanish nationality and change your foreigner identification number (NIE) to a national identity document (DNI), you must visit the Tesorería General de la Seguridad Social to merge your data under your new document. Once the duplicate records are unified, your entire contribution history under the old NIE will be transferred and will appear unified in the report associated with your new DNI.

Is there a maximum and minimum limit for contribution bases?

Yes. The Government of Spain sets the maximum and minimum contribution bases for each professional group annually through the Presupuestos Generales del Estado (State General Budgets) or extension decrees. For example, for the year 2024, the maximum contribution base is set at €4,720.50 per month for all groups, while the minimum base cannot be lower than the current Salario Mínimo Interprofesional (SMI - Minimum Interprofessional Wage) increased by the pro-rata distribution of the extra payments (pagas extraordinarias).

Summary

• Your work history (vida laboral) and contribution bases are key documents regulated by the Ley General de la Seguridad Social (LGSS) that determine your future benefits and retirement.
• You can consult and download both reports immediately, free of charge, and with full legal validity through the Social Security's Importass portal.
• To log in, it is essential to have a digital identification method such as Cl@ve, a Digital Certificate, or access via SMS (if your mobile number is updated in the system).
• It is vital to periodically check that the contribution bases registered with the Social Security match exactly those shown on your monthly payslips (nóminas).
• Any error or missing period in your history should be claimed as soon as possible by providing contracts, payslips, or settlement agreements (finiquitos) to avoid losing your rights due to the statute of limitations.

General legal information, not personalised legal advice. For your specific situation, ask your question for free at AbogadoAI — answers grounded in Spanish law (BOE), in English.

This is general information, not legal advice. Verify on the BOE or consult a lawyer for your specific case.