NATO is an Alliance that consists of 30 independent member countries.  There is a total of 30 countries in NATO. There are a total of 27 countries in Europe, one country in Eurasia, and only 2 in North America.

• Canada (1949)
• Croatia (2009)
• France (1949)
• Germany (1955)
• Greece (1952)
• Hungary (1999)
• Czech Republic (1999)
• Denmark (1949)
• Estonia (2004)
• Albania (2009)
• Belgium (1949)
• Bulgaria (2004)
• Iceland (1949)
• Luxembourg (1949)
• Montenegro (2017)
• Netherlands (1949)
• Italy (1949)
• Latvia (2004)
• Lithuania (2004)
• North Macedonia (2020)
• Norway (1949)
• Poland (1999)
• Slovakia (2004)
• United Kingdom (1949)
• Portugal (1949)
• Romania (2004)
• United States (1949)
• Slovenia (2004)
• Spain (1982)
• Turkey (1952)

Is Nigeria part of NATO? No, Nigeria is not part of NATO