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1.Ukraine
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On June 23, 2022, the European Council granted Ukraine the status of a candidate for accession to the EU. Also, Ukraine became a de facto member of NATO. In both, Ukraine has not become a full member.
2.Serbia
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3.Turkey
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Turkey joined the NATO alliance in 1952.
4.Sweden
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In 1995, Sweden joined the EU.
5.Iceland
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Iceland was a founding member of NATO in 1949.
6.Romania
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Romania joined the EU in 2007 and NATO in 2004.
7.Estonia
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Estonia joined the EU and NATO in 2004.
8.Cyprus
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Cyprus joined the EU in 2004.
9.United Kingdom
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The United Kingdom was a founding member of NATO in 1949, and was a part of the EU, but left in January 2020.
10.Malta
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Malta joined the EU in 2004.
11.Switzerland
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Switzerland is neutral.
12.Croatia
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Croatia joined the EU in 2013. Croatia joined NATO in 2009.