World Countries > NATO (North Atlantic Treaty Organization)

NATO (North Atlantic Treaty Organization)

NATO, or the North Atlantic Treaty Organization, is a political and military alliance composed of North American and European countries. The organization was founded in 1949 to ensure its member states' collective defense and security through the principles of collective defense laid out in its treaty and to promote political and military cooperation across the Atlantic.

Currently, NATO has 30 member countries, including the United States and Canada, and 29 European countries, such as Germany, the United Kingdom, France, and Italy. NATO's main tasks include safeguarding the security of its member states, promoting stability in Europe, supporting international peace and security, and maintaining international order. NATO has carried out numerous missions and operations worldwide, including air defense, counter-terrorism, peacekeeping, and maritime security operations.

List of NATO member countries

Note: * indicates a founding member

Flag CountryPopulationJoined
Flag of AlbaniaAlbania2,845,9552009
Flag of BelgiumBelgium11,492,6411949*
Flag of BulgariaBulgaria6,951,4822004
Flag of CanadaCanada38,005,2381949*
Flag of CroatiaCroatia4,058,1652009
Flag of CzechiaCzechia10,693,9391999
Flag of DenmarkDenmark5,824,8571949*
Flag of EstoniaEstonia1,328,9762004
Flag of FranceFrance67,081,0001949*
Flag of GermanyGermany83,166,7111955
Flag of GreeceGreece10,724,5991952
Flag of HungaryHungary9,772,7561999
Flag of IcelandIceland364,1341949*
Flag of ItalyItaly60,317,1161949*
Flag of LatviaLatvia1,907,6752004
Flag of LithuaniaLithuania2,795,3342004
Flag of LuxembourgLuxembourg626,1081949*
Flag of MontenegroMontenegro622,3592017
Flag of NetherlandsNetherlands17,737,4381949*
Flag of North MacedoniaNorth Macedonia2,077,1322020
Flag of NorwayNorway 5,432,5801949*
Flag of PolandPoland38,383,0001999
Flag of PortugalPortugal10,295,9091949*
Flag of RomaniaRomania19,317,9842004
Flag of SlovakiaSlovakia5,457,9262004
Flag of SloveniaSlovenia2,095,8612004
Flag of SpainSpain47,431,2561982
Flag of TurkeyTurkey83,154,9971952
Flag of United KingdomUnited Kingdom67,886,0041949*
Flag of United StatesUnited States328,239,5231949*