Countries in NATO:

32

There are currently 32 member countries in NATO.

NATO member countries

CountryAccession
Albania
April 1, 2009
Belgium[1]
August 24, 1949
Bulgaria
March 29, 2004
Canada[2]
August 24, 1949
Croatia
April 1, 2009
Czech Republic (Czechia)
March 12, 1999
Denmark[3]
August 24, 1949
Estonia
March 29, 2004
Finland
April 4, 2023
France[4]
August 24, 1949
Germany[5]
May 6, 1955
Greece
February 18, 1952
Hungary
March 12, 1999
Iceland[6]
August 24, 1949
Italy[7]
August 24, 1949
Latvia
March 29, 2004
Lithuania
March 29, 2004
Luxembourg[8]
August 24, 1949
Montenegro
June 5, 2017
Netherlands[9]
August 24, 1949
North Macedonia
March 27, 2020
Norway[10]
August 24, 1949
Poland
March 12, 1999
Portugal[11]
August 24, 1949
Romania
March 29, 2004
Slovakia
March 29, 2004
Slovenia
March 29, 2004
Spain
May 30, 1982
Sweden
March 7, 2024
Turkey (Türkiye)
February 18, 1952
United Kingdom[12]
August 24, 1949
United States[13]
August 24, 1949

Sources

Notes

  1. [1]
    Belgium

    Signed the North Atlantic Treaty on 4 April 1949. Membership took effect when the Treaty came into force on 24 August 1949.

  2. [2]
    Canada

    Signed the North Atlantic Treaty on 4 April 1949. Membership took effect when the Treaty came into force on 24 August 1949.

  3. [3]
    Denmark

    Signed the North Atlantic Treaty on 4 April 1949. Membership took effect when the Treaty came into force on 24 August 1949.

  4. [4]
    France

    Signed the North Atlantic Treaty on 4 April 1949. Membership took effect when the Treaty came into force on 24 August 1949.

  5. [5]
    Germany

    With the reunification of Germany on 3 October 1990, the Länder of the former German Democratic Republic joined the Federal Republic of Germany in its membership of NATO.

  6. [6]
    Iceland

    Signed the North Atlantic Treaty on 4 April 1949. Membership took effect when the Treaty came into force on 24 August 1949.

  7. [7]
    Italy

    Signed the North Atlantic Treaty on 4 April 1949. Membership took effect when the Treaty came into force on 24 August 1949.

  8. [8]
    Luxembourg

    Signed the North Atlantic Treaty on 4 April 1949. Membership took effect when the Treaty came into force on 24 August 1949.

  9. [9]
    Netherlands

    Signed the North Atlantic Treaty on 4 April 1949. Membership took effect when the Treaty came into force on 24 August 1949.

  10. [10]
    Norway

    Signed the North Atlantic Treaty on 4 April 1949. Membership took effect when the Treaty came into force on 24 August 1949.

  11. [11]
    Portugal

    Signed the North Atlantic Treaty on 4 April 1949. Membership took effect when the Treaty came into force on 24 August 1949.

  12. [12]
    United Kingdom

    Signed the North Atlantic Treaty on 4 April 1949. Membership took effect when the Treaty came into force on 24 August 1949.

  13. [13]
    United States

    Signed the North Atlantic Treaty on 4 April 1949. Membership took effect when the Treaty came into force on 24 August 1949.