Sweden Joins NATO

Brussels, Belgium – 7 March 2024 (accession); 11 March 2024 (flag‑raising)

Sweden deposited its instrument of accession on 7 March 2024 and its flag was raised at NATO Headquarters on 11 March 2024, strengthening Nordic and Baltic defence and Allied maritime posture in the North Atlantic and Baltic Sea.

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Implications

• Enables integrated Nordic defence planning and operations with Norway, Denmark, Finland, and Sweden.
• Enhances maritime and air domain deterrence and resilience in the High North and Baltic Sea.

Source

• NATO, “Sweden joins NATO,” 7 March 2024; press release on flag‑raising, 11 March 2024.