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NATO Member Countries





List of Member states of North Atlantic Treaty Organization (NATO). NATO is a North Atlantic Alliance that consists of 28 independent member countries.

Join DateCountryEnlargement
4 April 1949 BelgiumFounders
4 April 1949 CanadaFounders
4 April 1949 DenmarkFounders
4 April 1949 FranceFounders
4 April 1949 IcelandFounders
4 April 1949 ItalyFounders
4 April 1949 LuxembourgFounders
4 April 1949 NetherlandsFounders
4 April 1949 NorwayFounders
4 April 1949 PortugalFounders
4 April 1949 United KingdomFounders
4 April 1949 United StatesFounders
18 February 1952 GreeceFirst
18 February 1952 TurkeyFirst
9 May 1955 GermanySecond
30 May 1982 SpainThird
12 March 1999 Czech RepublicFourth
12 March 1999 HungaryFourth
12 March 1999 PolandFourth
29 March 2004 BulgariaFifth
29 March 2004 EstoniaFifth
29 March 2004 LatviaFifth
29 March 2004 LithuaniaFifth
29 March 2004 RomaniaFifth
29 March 2004 SlovakiaFifth
29 March 2004 SloveniaFifth
1 April 2009 AlbaniaSixth
1 April 2009 CroatiaSixth