The Community Regulations are applied for the coordination of the Social Security systems of Spain with the European Union member states and with the States of the European Economic Space.
- Countries belonging to the European Union: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden.
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Countries belonging to the European Economic Area: Iceland, Liechtenstein and Norway.
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Swiss Confederation, under the agreement signed with the European Union on the free circulation of people.
- The United Kingdom of Great Britain and Northern Ireland in accordance with the Agreement on the withdrawal of the United Kingdom of Great Britain and Northern Ireland from the European Union and the European Atomic Energy Community