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EU countries that don't use the euro

Six EU countries do not use the euro: Czechia, Denmark, Hungary, Poland, Romania and Sweden.

How many6 countries
As of28 September 2026
SourceECB
Memory hook

Two in the north (Denmark, Sweden) and four in the east (Czechia, Hungary, Poland, Romania). Only Denmark has a legal opt-out.

The full list

Members since before 2004 2

Denmark holds a treaty opt-out; Sweden has no opt-out but has never joined ERM II.

Joined in 2004 or 2007 4

Bound by their accession treaties to adopt the euro once they meet the criteria, with no fixed date.

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Questions

How many EU countries don't use the euro?

Six EU countries do not use the euro: Czechia, Denmark, Hungary, Poland, Romania and Sweden.

Which countries are on the list?

Denmark, Czechia, Hungary, Poland, Romania and Sweden.

What is an easy way to remember them?

Two in the north (Denmark, Sweden) and four in the east (Czechia, Hungary, Poland, Romania). Only Denmark has a legal opt-out.

Does Bulgaria use the euro?

Yes. Bulgaria adopted the euro on 1 January 2026.

More lists

Schengen countriesEU countriesEurozone countriesCountries that joined the euro after 1999EU candidate countriesECB presidentsAll lists

Each name checked against at least two sources, one of them ECB, on 28 September 2026. Next review by 28 March 2027.
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