North Atlantic Treaty Organization/Member States

Flag	Country 	First Joined
 	Albania 	1 April 2009
 	Belgium 	24 August 1949
 	Bulgaria 	29 March 2004
 	Canada 	24 August 1949
 	Croatia 	1 April 2009
 	Czech Republic 	12 March 1999
 	Denmark 	24 August 1949
 	Estonia 	29 March 2004
 	Finland 	4 April 2023
 	France 	24 August 1949
 	Germany 	6 May 1955
 	Greece 	18 February 1952
 	Hungary 	12 March 1999
 	Iceland 	24 August 1949
 	Italy 	24 August 1949
 	Latvia 	29 March 2004
 	Lithuania 	29 March 2004
 	Luxembourg 	24 August 1949
 	Montenegro 	5 June 2017
 	Netherlands 	24 August 1949
 	North Macedonia	27 March 2020
 	Norway 	24 August 1949
 	Poland 	12 March 1999
 	Portugal 	24 August 1949
 	Romania 	29 March 2004
 	Slovakia 	29 March 2004
 	Slovenia 	29 March 2004
 	Spain 	30 May 1982
 	Sweden 	7 March 2024
 	Turkey 	18 February 1952
 	United Kingdom 	24 August 1949
 	United States 	24 August 1949
Category:International Organisations
Category:Lists of galleries of flags