European Union: How Many Member Countries?

European Union: How Many Member Countries?

Here’s a full article titled “European Union: How Many Countries, Details & FAQs”, using official info and FAQs.

  • As of July 2025, the European Union has 27 member states 

  • The official EU website confirms this number and lists them 

Member States and Accession Dates

Below are the 27 EU countries and when they joined:

CountryAccession Date
Austria1 January 1995
Belgium25 March 1957
Bulgaria1 January 2007
Croatia1 July 2013
Cyprus1 May 2004
Czechia1 May 2004
Denmark1 January 1973
Estonia1 May 2004
Finland1 January 1995
France25 March 1957
Germany25 March 1957
Greece1 January 1981
Hungary1 May 2004
Ireland1 January 1973
Italy25 March 1957
Latvia1 May 2004
Lithuania1 May 2004
Luxembourg25 March 1957
Malta1 May 2004
Netherlands25 March 1957
Poland1 May 2004
Portugal1 January 1986
Romania1 January 2007
Slovakia1 May 2004
Slovenia1 May 2004
Spain1 January 1986
Sweden1 January 1995
Most joined in the 2004 eastern enlargement and the founding six in 1957 

More Facts

  • The EU was created in stages from 1951, officially named the European Union in 1993

  • Population: over 448 million, ~5.6% of world population 

  • Union area: about 4 million km²

  • Languages: the EU has 24 official languages 

  • The Schengen area (free travel) includes 25 of the 27 EU countries—Ireland and Cyprus are excluded 

  • Euro currency: used by 20 EU countries (the eurozone) 

Official EU website: [european‑union.europa.eu]

❓ FAQs

Q1. How many countries are in the EU now?

There are 27 member states as of mid‑2025

Q2. Which EU countries do not join Schengen?

Ireland and Cyprus do not take part in the Schengen border‑free zone 

Q3. How many use the euro?

20 out of 27 EU states use the euro as their official currency 

Q4. Are new members joining soon?

There are nine candidate countries under consideration: Albania, Bosnia & Herzegovina, Georgia, Moldova, Montenegro, North Macedonia, Serbia, Türkiye and Ukraine  

Q5. Why is the UK missing?

The United Kingdom left the EU on 31 January 2020, reducing membership from 28 to 27 

✅ Summary

  • Member states: 27

  • EU site: european‑union.europa.eu (official info)

  • Population: ~448 million

  • Area: ~4 million km²

  • Schengen: 25 members (excl. Ireland, Cyprus)

  • Eurozone: 20 members

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