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Denmark

Denmark has been a member of the European Union since 1 January 1973.

Flag of Denmark
  • EU member
  • Schengen

Relationship with the EU

  1. 1 January 1973Joined
  2. 25 March 2001Full Schengen membership

Same enlargement wave · First enlargement (1973)

Data

GDP per capita in purchasing power standards127

Eurostat, 2025. Scale 0 to 260.

Share of the EU population1.3 %

Eurostat, 1 January 2026.

Milestones

  1. 4 April 1949Signs the North Atlantic Treaty as a founding member of NATO. nato.int
  2. 5 May 1949Founding member of the Council of Europe. archive.org
  3. 1972Referendum on EEC membership: 63.3% yes. europarl.europa.eu
  4. 1 January 1973Joins the European Communities. europa.eu
  5. 1992Referendum on the Maastricht Treaty (rejected): 49.3% yes. europarl.europa.eu
  6. 1993Referendum on the Maastricht Treaty: 56.8% yes. europarl.europa.eu
  7. 2000Referendum on adopting the euro (rejected): 46.9% yes. europarl.europa.eu

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