NATO Countries List – Members of the North Atlantic Treaty Organization

Discover the complete and updated list of NATO member countries as of 2025, their founding details, and more about the North Atlantic Treaty Organization.

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NATO Countries List - The North Atlantic Treaty Organization (NATO) was established through the North Atlantic Treaty signed on April 4, 1949. As of 2025, NATO comprises 30 member countries, which includes 27 from Europe, 2 from North America, and 1 from Eurasia.

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NATO is headquartered in Brussels, Belgium, with the Allied Command Operations headquarters located near Mons, Belgium. Originally, 12 countries signed the NATO treaty in 1949. Article 10 of the North Atlantic Treaty states that membership is open to all European states that contribute to the security of the North Atlantic area. The latest country to join NATO is North Macedonia, which became a member in 2020.

NATO Countries List (2025)

The following is the complete list of the 30 NATO member countries as of 2025, indicating the year each country joined:

  1. Canada (1949)
  2. Croatia (2009)
  3. France (1949)
  4. Germany (1955)
  5. Greece (1952)
  6. Hungary (1999)
  7. Czech Republic (1999)
  8. Denmark (1949)
  9. Estonia (2004)
  10. Albania (2009)
  11. Belgium (1949)
  12. Bulgaria (2004)
  13. Iceland (1949)
  14. Luxembourg (1949)
  15. Montenegro (2017)
  16. Netherlands (1949)
  17. Italy (1949)
  18. Latvia (2004)
  19. Lithuania (2004)
  20. North Macedonia (2020)
  21. Norway (1949)
  22. Poland (1999)
  23. Slovakia (2004)
  24. United Kingdom (1949)
  25. Portugal (1949)
  26. Romania (2004)
  27. United States (1949)
  28. Slovenia (2004)
  29. Spain (1982)
  30. Turkey (1952)

Founding Members of NATO

In 1949, there were 12 founding members of the NATO alliance. Here is the list:

  1. Canada
  2. United States
  3. United Kingdom
  4. Belgium
  5. Denmark
  6. France
  7. Italy
  8. Iceland
  9. Portugal
  10. Netherlands
  11. Norway
  12. Luxembourg

NATO Members List

For a detailed list of NATO members, refer to the following link:

NATO Members List

NATO Countries Map

NATO Members Map

NATO Countries List PDF

You can download the NATO countries list in PDF format by copying the URL and opening it in a new tab:

Download NATO Countries List

What is the Full Form of NATO?

The full form of NATO is North Atlantic Treaty Organization.

How many Founding members are in NATO?

There were 12 founding members of NATO on April 4, 1949.

How many Countries are in NATO at present?

As of now, there are 30 countries in the NATO alliance, which include 27 European member countries, 2 North American countries, and 1 Eurasian member country.

Where is the headquarters of NATO?

The NATO headquarters is in Brussels, Belgium, with the Allied Command Operations headquarters near Mons, Belgium.

Is India part of NATO?

No, India is not a member of the North Atlantic Treaty Organization (NATO).

Why was NATO created?

NATO was created to provide collective security to its members against potential threats, especially from the Soviet Union. According to Article 5 of the treaty, if an armed attack is carried out against a NATO member, it is deemed an attack on all, and other members are obligated to assist with armed forces if necessary.
NATO Countries List – Members of the North Atlantic Treaty Organization

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