Country Focus 10 of 12

Thirty years of partnership then membership: Sweden is NATO's thirty-second member

Sweden's first general election as a member of the alliance has just been held, so its accession is worth recalling precisely. After 30 years of close partnership with NATO, Sweden joined the Alliance on 7 March 2024, when its Instrument of Accession was deposited in Washington, D.C. That took the alliance to 32 members, Sweden's ratification having been completed in each of the 31 other Allies. Sweden remains outside the eurozone even as it sits inside both the European Union and NATO.

Date of accession: 7 March 2024 NATO members: 32 Instrument deposited at: Washington, D.C.
Why it matters for exams: The date of accession and the resulting membership count are asked directly, and the eurozone contrast is the usual follow-up.
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24 October 2026 Source: NATO

In plain words

Instrument of Accession Instrument of Accession — The formal document a state deposits to complete its entry into a treaty such as the North Atlantic Treaty.

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