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Aggregating pension periods across EU countries

Having worked in several EU countries does not mean losing pension rights. EU social security coordination does not merge national systems, but it obliges each country to take into account periods completed elsewhere when assessing entitlement. On the Bulgarian side the competent institution is the National Social Security Institute (НОИ).

EU membership and rights · Last reviewed: 2026-08-16

What coordination does and does not do

Coordination rules do not harmonise pension age, calculation formulas or amounts — those remain national competence. What they do is this: if your insurance record in one country is not sufficient on its own, periods completed in other member states are taken into account when entitlement is assessed. Each country then pays only the share matching the period completed there.

How to apply

  1. One application is enough

    As a rule you apply to the institution of your country of residence, which then corresponds with the others. If you live in Bulgaria, that is НОИ.

  2. Assemble your work history

    Prepare records of where, when and under which insurance number you worked; missing periods are the main cause of delay.

  3. Wait for the exchange between institutions

    The calculation completes once periods are confirmed by the relevant states. This phase is outside the applicant's control.

  4. Read each decision separately

    Every country issues its own decision, and appeal routes and deadlines follow that country's law.

Periods completed outside the EU

Coordination covers the member states, the EEA and Switzerland. Periods completed in third countries are considered only where a bilateral social security agreement exists, and the scope of such agreements varies considerably. Check your position with both НОИ and the institution of the country concerned.

Practical points

  • Pension ages differ between countries, so entitlement may arise in one state before another.
  • Payments may be made in different currencies; Bulgaria joined the euro area on 1 January 2026, so payments made in the country are in euro.
  • Payment abroad is possible, but keeping bank details current is the recipient's responsibility.
  • Taxation typically follows your country of residence and any double taxation agreement, not the paying country alone.

No amounts or thresholds here

Pension age, minimum insurance periods and calculation methods are set by national law and change over time. For your own calculation contact НОИ. This page is not legal or financial advice.

This is not legal or financial advice

This page explains the process in general terms and points to the official sources of the competent authorities. For decisions specific to your own situation, consult a lawyer, an accountant or the relevant institution. Rules and amounts change over time.

Frequently asked questions

Will I receive separate pensions from each country?

As a rule yes — each state pays the share corresponding to the period completed there, following a single application.

Can I apply in Bulgaria if most of my career was elsewhere?

Yes, if you reside in Bulgaria. НОИ handles the correspondence with the other institutions.

Does moving to another member state affect my pension?

Entitlement is retained and payment continues, but health insurance and taxation may change. Check both before relocating.

Sources

The information on this page is based on the official sources listed below. Legislation changes — open the links and verify the current position.

  1. Национален осигурителен институт (НОИ) — https://www.noi.bg/ · 2026-08-16
  2. Your Europe — AB'de emeklilik hakları — https://europa.eu/youreurope/ · 2026-08-16
  3. Министерство на труда и социалната политика — https://www.mlsp.government.bg/ · 2026-08-16
  4. Национална агенция за приходите (НАП) — https://nra.bg/ · 2026-08-16

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Aggregating pension periods across EU countries | Bulgaristan.bg