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Countries that joined the euro after 1999

Ten countries have joined the euro since its 1999 launch, from Greece in 2001 to Bulgaria on 1 January 2026.

The full list

The 2001 joiner 1

An EU member since 1981 that joined two years after the launch, in time for the first euro notes and coins on 1 January 2002.

• 🇬🇷Greece

The 2007 to 2009 wave 4

Four members of the 2004 EU enlargement that adopted the euro on 1 January 2007, 2008 and 2009.

• 🇸🇮Slovenia
• 🇨🇾Cyprus
• 🇲🇹Malta
• 🇸🇰Slovakia

The Baltic three 3

The three Baltic states, EU members since 2004, adopted the euro one at a time: 2011, 2014 and 2015.

• 🇪🇪Estonia
• 🇱🇻Latvia
• 🇱🇹Lithuania

The 2020s joiners 2

Not part of the 2004 enlargement (EU members since 2013 and 2007); adopted the euro on 1 January 2023 and 1 January 2026.

• 🇭🇷Croatia
• 🇧🇬Bulgaria

Not on the list

• Overseas territories and regions using the euro: Not countries.

Questions

How many countries have joined the euro since 1999?

Ten countries have joined the euro since its 1999 launch, from Greece in 2001 to Bulgaria on 1 January 2026.

Which countries are on the list?

Greece, Slovenia, Cyprus, Malta, Slovakia, Estonia, Latvia, Lithuania, Croatia and Bulgaria.

What is an easy way to remember them?

1 + 4 + 3 + 2: Greece; Slovenia, Cyprus, Malta and Slovakia (2007 to 2009); the three Baltic states (2011 to 2015); Croatia and Bulgaria (2023 and 2026).

More lists

Each name checked against at least two sources, one of them European Commission, on 4 October 2026. Next review by 4 October 2027.
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