On March 7, 2024, Sweden officially became NATO's 32nd member. This marked a historic shift for a country that had maintained over 200 years of neutrality, beginning after the Napoleonic Wars. The decision to join NATO was heavily influenced by the geopolitical changes following Russia's invasion of Ukraine in 2022. Sweden's accession to NATO enhances its security under Article 5 of the NATO treaty, ensuring collective defense, and strengthens NATO’s capabilities in the Baltic region.
Sweden had already been aligned with Western defense policies, but this membership symbolizes a formal commitment to the alliance, joining alongside Finland, which became a member in 2023. This move underscores the growing security concerns in Europe, particularly related to Russia's aggressive actions. The integration process involved coordination between Swedish and NATO military experts to ensure Sweden's armed forces met NATO standards.
Sweden’s NATO membership is viewed as a significant step in strengthening transatlantic security, and it signals that NATO’s door remains open to other countries seeking alignment.