| First started using the Euro in | Country | % Correct |
|---|---|---|
| 2002 | Belgium | 100%
|
| 2002 | France | 100%
|
| 2002 | Germany | 100%
|
| 2002 | Italy | 100%
|
| 2002 | Luxembourg | 100%
|
| 2002 | Spain | 100%
|
| 2002 | Greece | 96%
|
| 2002 | Ireland | 96%
|
| 2002 | Portugal | 96%
|
| 2007 | Slovenia | 96%
|
| 2002 | Austria | 93%
|
| 2023 | Croatia | 93%
|
| 2002 | Finland | 93%
|
| 2015 | Lithuania | 89%
|
| 2008 | Malta | 89%
|
| 2002 (monetary agreement) | Monaco | 89%
|
| 2009 | Slovakia | 89%
|
| 2002 | The Netherlands | 89%
|
| 2008 | Cyprus | 85%
|
| 2011 | Estonia | 85%
|
| 2014 | Latvia | 85%
|
| 2002 (monetary agreement) | San Marino | 81%
|
| 2011 (monetary agreement) | Andorra | 78%
|
| 2002 (unilaterally adopted) | Kosovo | 70%
|
| 2002 (unilaterally adopted) | Montenegro | 70%
|
| 2002 (monetary agreement) | Vatican City | 70%
|