How many EU member states currently use the euro as their sole official currency?
Answer21
21 of the EU's member states use the euro, plus four European microstates that have adopted it unilaterally.
Source: Wikipedia, Euro (2024) en.wikipedia.org
Money · Facts & sources
Euro facts & stats
4 sourced facts about the euro currency, each with the context behind the number. 4 more are in today's round and appear here after it closes.
Going deeper
In what year was the name 'euro' officially adopted for the currency, years before it launched?
Answer1995
European leaders settled on the name 'euro' in December 1995, four years before it launched as an accounting currency.
Source: Wikipedia, Euro (2024) en.wikipedia.org
Expert level
Which four European microstates use the euro despite not being EU members?
AnswerAndorra, Monaco, San Marino, Vatican
These four microstates have adopted the euro as their currency without being EU members.
Source: Wikipedia, Euro (2024) en.wikipedia.org
As of December 2019, about how much euro currency was in physical circulation worldwide?
Answermore than 1.3 trillion euros
Over 1.3 trillion euros' worth of banknotes and coins were in circulation by the end of 2019.
Source: Wikipedia, Euro (2019) en.wikipedia.org
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