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Poland

Poland has been a member of the European Union since 1 May 2004.

Flag of Poland
  • EU member
  • Schengen

Relationship with the EU

  1. 1 May 2004Joined
  2. 21 December 2007Full Schengen membership

Same enlargement wave · Fifth enlargement (2004)

Data

GDP per capita in purchasing power standards81

Eurostat, 2025. Scale 0 to 260.

Share of the EU population8 %

Eurostat, 1 January 2026.

Milestones

  1. 26 November 1991Joins the Council of Europe. archive.org
  2. 12 March 1999Joins NATO. nato.int
  3. 2003Referendum on EU membership: 77.5% yes. europarl.europa.eu
  4. 1 May 2004Joins the European Union. europa.eu

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