NATO Member Countries and Historical Enlargement (nato.int)

• NATO has 32 member countries as of 2024.
• Founding members signed the North Atlantic Treaty in 1949.
• Enlargement waves included Greece/Türkiye (1952), Germany (1955), Spain (1982), former Warsaw Pact countries (1999, 2004), and recent Nordic accessions (Finland 2023, Sweden 2024).

"NATO currently has 32 member countries. The article lists all members with their accession dates, from the founding 12 in 1949 to Sweden in 2024. It provides historical context on each enlargement wave, including special cases like France's withdrawal from military command and Iceland lacking armed forces."