Mapped: The European Union in 2026, and What’s Next

Inside the European Union in 2026

The European Union is the world’s second-largest economy. While the bloc has steadily expanded over the decades, 2026 could see the emergence of an entirely new form of association.

This map presents the 27-member European Union as of September 2026, highlighting the bloc alongside its nine official candidate countries and the UK, its only former member.

How the EU Grew to 27 Members

The earliest incarnation of what is today the EU was founded in the 1950s with six members: France, Italy, West Germany, and the three Benelux countries. By the time the modern EU was established in 1993, the bloc had doubled in size to 12 members, including a reunified Germany as well as major economies like Spain and the United Kingdom.

More than three decades later, the EU counts 27 full members. Croatia is the newest member, having joined in 2013 after more than half a decade of formal negotiations.

The table below lists EU countries alongside their year of accession and forecasted nominal GDP in 2026.

Country	Year of EU Accession	2026F Nominal GDP (billions $)
Belgium	1958	777
France	1958	3,600
Germany	1958	5,450
Italy	1958	2,740
Luxembourg	1958	110
Netherlands	1958	1,450
Denmark	1973	504
Ireland	1973	779
Greece	1981	308
Portugal	1986	381
Spain	1986	2,090
Austria	1995	624
Finland	1995	338
Sweden	1995	760
Cyprus	2004	45
Czechia	2004	433
Estonia	2004	52
Hungary	2004	271
Latvia	2004	54
Lithuania	2004	106
Malta	2004	31
Poland	2004	1,130
Slovakia	2004	169
Slovenia	2004	87
Bulgaria	2007	148
Romania	2007	481
Croatia	2013	117

European integration has deepened alongside expansion. In 1993, the EU established a single market allowing for the free movement of goods, services, capital, and people.

A common currency, the euro, followed in 1999. More than a quarter-century later, roughly two-thirds of EU countries are part of the eurozone.

Deeper integration has also come with setbacks. The eurozone debt crisis placed significant strain on the currency bloc, while Brexit marked the first departure of an EU member. In 2020, the UK formally withdrew following its 2016 referendum.

Which Countries Could Join Next?

The UK’s withdrawal brought the bloc from 28 members back down to 27. However, nine additional countries are formal candidates for eventual accession to the EU. Türkiye is the longest-running candidate, having held the status since 1999, although its accession negotiations have effectively stalled.

More than half of the current candidate countries are in the Western Balkans: Albania, Bosnia and Herzegovina, Montenegro, North Macedonia, and Serbia. Montenegro is among the most advanced candidates in the accession process, with officials discussing a possible 2028 entry date.

Georgia, Moldova, and Ukraine received candidate status more recently. Moldova and Ukraine were granted candidate status in 2022, while Georgia followed in 2023. Ukraine and Moldova opened formal accession negotiations in 2024.

Canada: A New Model for Membership?

Then there’s Canada. The North American country has sought closer EU ties amid rising trade tensions with its southern neighbor, the United States. As a country outside Europe, however, Canada is not pursuing conventional EU membership.

Instead, European Commission President Ursula von der Leyen has proposed making Canada the EU’s first “associate member.” The status does not currently exist under EU treaties, and its exact structure has yet to be defined. Early discussions point toward deeper cooperation in areas including trade, defense, technology, energy, and economic security.

Canada and the EU have already strengthened their ties in other areas. In 2026, Canada became the first non-European country to participate in the EU’s SAFE defense procurement initiative.

U.S. President Donald Trump described the possibility of Canadian associate membership as a “hostile act” and threatened additional tariffs on Canada and the EU.

Learn More on the Voronoi App

For a breakdown of the countries that power the EU economy, check out The $19 Trillion European Union Economy on Voronoi.

• Source: https://www.visualcapitalist.com/mapped-the-27-country-european-union-as-of-2026/