List of European countries by membership in international organisations

A darker shade indicates a higher level of integration in international organisations.

This list depicts the membership of European countries in selected international organisations and treaties.

Table

State  (51) [1]	HDI [2]	GNI [3]	GDP [4]	UN [5]	CoE [6]	OSCE [7]	EU [8]	EEA [9]	EUCU [10]	Schengen [11]	€ [12]	NATO [13]	OECD [14]	ESA [15]	WTO [16]	ICC [17]	VWP [18]
Albania	0.810	7,570	10,527	UN	CoE	OSCE	Candidate negotiating				ALL	NATO			WTO	ICC
Andorra	0.913	50,080	45,263	UN	CoE	OSCE			EUCU 1	Schengen 2	€ 4				Observer	ICC	VWP
Armenia	0.811	7,330	8,857	UN	CoE	OSCE					AMD	PfP			WTO	ICC
Austria	0.930	63,140	58,192	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	PfP	OECD	ESA	WTO	ICC	VWP
Azerbaijan	0.789	6,680	7,604	UN	CoE	OSCE					AZN	PfP			Observer
Belarus	0.824	7,780	7,875	UN		OSCE					BYR				Observer
Belgium	0.951	54,530	57,772	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	NATO	OECD	ESA	WTO	ICC	VWP
Bosnia and Herzegovina	0.804	8,160	8,362	UN	CoE	OSCE	Candidate				BAM	MAP			Observer	ICC
Bulgaria	0.845	14,460	18,522	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	BGN 6	NATO	Candidate	ECS	WTO	ICC
Croatia	0.889	20,670	25,674	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	NATO	Candidate	ECS	WTO	ICC	VWP
Cyprus	0.913	30,990	41,132	UN	CoE	OSCE	EU	EEA	EUCU	EU EEA CH freedom of movement	€			ECS	WTO	ICC
Czechia	0.915	27,110	33,039	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	CZK	NATO	OECD	ESA	WTO	ICC	VWP
Denmark	0.962	73,360	74,969	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	DKK 6	NATO	OECD	ESA	WTO	ICC	VWP
Estonia	0.905	27,240	32,760	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	NATO	OECD	ESA	WTO	ICC	VWP
Finland	0.948	53,390	54,163	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	NATO	OECD	ESA	WTO	ICC	VWP
France	0.920	45,070	46,792	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	NATO	OECD	ESA	WTO	ICC	VWP
Georgia	0.844	6,680	9,571	UN	CoE	OSCE	Candidate				GEL	PfP			WTO	ICC
Germany	0.959	53,970	55,911	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	NATO	OECD	ESA	WTO	ICC	VWP
Greece	0.908	22,580	25,756	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	NATO	OECD	ESA	WTO	ICC	VWP
Hungary	0.870	19,820	24,809	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	HUF	NATO	OECD	ESA	WTO	ICC	VWP
Iceland	0.972	79,840	90,284	UN	CoE	OSCE		EEA		Schengen	ISK	NATO	OECD		WTO	ICC	VWP
Ireland	0.949	80,390	108,919	UN	CoE	OSCE	EU	EEA	EUCU	EU EEA CH freedom of movement	€	PfP	OECD	ESA	WTO	ICC	VWP
Italy	0.915	38,200	41,091	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	NATO	OECD	ESA	WTO	ICC	VWP
Kazakhstan	0.837	10,940	14,768	UN		OSCE					KZT	PfP			WTO
Kosovo	n/d	5,980	7,147		Applicant		Applicant				€ 5
Latvia	0.889	21,970	24,374	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	NATO	OECD	ESA AM	WTO	ICC	VWP
Liechtenstein	0.938	116,600	n/d	UN	CoE	OSCE		EEA		Schengen	CHF				WTO	ICC	VWP
Lithuania	0.895	24,820	30,835	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	NATO	OECD	ESA AM	WTO	ICC	VWP
Luxembourg	0.922	88,370	140,941	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	NATO	OECD	ESA	WTO	ICC	VWP
Malta	0.924	34,240	45,735	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	PfP	Applicant	ECS	WTO	ICC	VWP
Moldova	0.785	6,110	8,260	UN	CoE	OSCE	Candidate negotiating				MDL	PfP			WTO	ICC
Monaco	n/d	n/d	n/d	UN	CoE	OSCE			EUCU 1	Schengen 2	€ 4					Signatory	VWP
Montenegro	0.862	11,500	13,508	UN	CoE	OSCE	Candidate negotiating				€ 5	NATO			WTO	ICC
Netherlands	0.955	60,670	70,480	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	NATO	OECD	ESA	WTO	ICC	VWP
North Macedonia	0.815	7,660	9,882	UN	CoE	OSCE	Candidate negotiating				MKD	NATO			WTO	ICC
Norway	0.970	102,460	89,694	UN	CoE	OSCE		EEA		Schengen	NOK	NATO	OECD	ESA	WTO	ICC	VWP
Poland	0.906	19,730	26,805	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	PLN	NATO	OECD	ESA	WTO	ICC	VWP
Portugal	0.890	26,270	30,002	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	NATO	OECD	ESA	WTO	ICC	VWP
Romania	0.845	16,670	21,421	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	RON	NATO	Candidate	ESA	WTO	ICC
Russia	0.832	14,250	14,258	UN		OSCE					₽				WTO
San Marino	0.915	47,120	59,603	UN	CoE	OSCE			EUCU 1	Schengen 2	€ 4					ICC	VWP
Serbia	0.833	10,030	14,174	UN	CoE	OSCE	Candidate negotiating				RSD	PfP			Observer	ICC
Slovakia	0.880	22,790	27,130	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	NATO	OECD	ESA AM	WTO	ICC	VWP
Slovenia	0.931	30,620	35,332	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	NATO	OECD	ESA	WTO	ICC	VWP
Spain	0.918	32,180	36,192	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	€	NATO	OECD	ESA	WTO	ICC	VWP
Sweden	0.959	61,650	58,100	UN	CoE	OSCE	EU	EEA	EUCU	Schengen	SEK	NATO	OECD	ESA	WTO	ICC	VWP
Switzerland	0.970	95,160	104,896	UN	CoE	OSCE		bilat 3		Schengen	CHF	PfP	OECD	ESA	WTO	ICC	VWP
Turkey	0.853	11,650	16,709	UN	CoE	OSCE	Candidacy suspended		EUCU 1		TRY	NATO	OECD		WTO
Ukraine	0.779	5,070	6,261	UN	CoE	OSCE	Candidate negotiating				UAH	Applicant	Applicant		WTO	ICC
United Kingdom	0.946	47,800	54,949	UN	CoE	OSCE					£	NATO	OECD	ESA	WTO	ICC	VWP
Vatican City	n/d	n/d	n/d	Observer	Observer	OSCE				Schengen 2	€ 4				Observer

Classification of countries according to the United Nations:

  Very high human development (0.800 or higher)

  High human development (0.700 - 0.799)

Classification of countries according to the World Bank:

  high income (> $14,005)

  upper middle income ($4,516 - $14,005)

Classification of countries according to the IMF:

  Advanced Economies

  Emerging Market and Developing Economies

¹ These countries are currently not participating in the EU's single market (EEA), but the EU has common external Customs Union agreements with Turkey (EU-Turkey Customs Union in force since 1995), Andorra (since 1991) and San Marino (since 2002). Monaco participates in the EU customs union through its relationship with France; its ports are administered by the French. Vatican City has a customs union in effect with Italy.
² Andorra, Monaco, San Marino and Vatican City are not members of Schengen, but act as such via their open borders with Spain, France and Italy, respectively.
³ Switzerland is not an official member of EEA but has bilateral agreements largely with the same content, making it virtually a member.
⁴ Andorra, Monaco, San Marino and Vatican City are using the euro as their currency through a monetary agreement with the EU.
⁵ Montenegro and Kosovo unilaterally adopted the euro as their currency and, therefore, have no issuing rights.
⁶ Currency included in the ERM II mechanism.

Euler diagram

Maps

• 
  Council of Europe
• 
  Organization for Security and Co-operation in Europe
• 
  European Union
• 
  North Atlantic Treaty Organization

Notes

1. Only 51 sovereign states are listed, including Kosovo and Vatican which are not UN members.
2. Human Development Index (2025)
3. Gross National Income, List of countries by GNI per capita World Development Indicators database , World Bank, GNI per capita (2025), Atlas method and PPP
4. GDP (nominal) per capita IMF estimate (2025)
5. The United Nations is a world-wide organisation with 193 members, see also; Universal Declaration of Human Rights
6. Council of Europe is numbering 47 out of 51 European countries and membership is open to all European states which seek European integration, accept the principle of the rule of law and are able and willing to guarantee democracy, fundamental human rights and freedoms with European Court of Human Rights and European Convention on Human Rights, see also European Higher Education Area
7. OSCE is an international organization which serves as a forum for political dialogue. Its stated aim is to secure stability in the region (Caucasus, Central Asia, Europe, North America and Russia) based on democratic practices and improved governance
8. Number of countries in Trade bloc: EU (27), EFTA (4), CEFTA (7), other regional blocs (not listed because countries inside are likely, sooner or later, to join EU, some already seriously involved in joining processes); EFTA countries and 4 European microstates marked x, while not EU members, are partially integrated in EU through euro currency, Schengen treaty, EU single market - EEA and Customs Union, see also;European Neighbourhood Policy, Eastern Partnership, Euromediterranean Partnership, Mediterranean Union, Transatlantic Free Trade Area, Eurosphere
9. European Economic Area, see also; Free trade areas in Europe
10. European Union Customs Union
11. Schengen Area
12. Eurozone
13. Number of countries inside military alliance; NATO (30); see also; NATO Cooperation with non-member states, Treaty on Conventional Armed Forces in Europe and Shanghai Cooperation Organisation
14. OECD is an international organization which serves as a forum for economic dialogue. The bulk of its members are in Europe (23), but some are located in other regions (7) - Members states
15. European Space Agency - Member states
16. WTO - Members and Observers Monaco, San Marino, Kosovo - no official interaction with the WTO, Vatican (Holy See) - special observer status
17. International Criminal Court 39 members from Europe
18. VWP is a program of the United States of America which allows citizens of countries with visa refusal rate less than 3% and some specific countries 10% to travel to the US for tourism or business for up to 90 days without having to obtain a visa. All countries participating in the program have high HDI and most are regarded as developed countries; Adjusted Visa Refusal Rate Archived 2013-04-05 at the Wayback Machine year 2006 Archived 2013-04-05 at the Wayback Machine , 2007 Archived 2009-02-26 at the Wayback Machine , 2008 Archived 2011-06-22 at the Wayback Machine

See also

• Co-ordinated organisations
• Euronest Parliamentary Assembly
• European integration
• International organization
• List of countries in Europe
• List of European countries by life expectancy
• List of European countries by number of internet users
• List of European countries by budget revenues
• List of European countries by GNI (nominal) per capita
• List of sovereign states in Europe by net average wage
• List of conflicts in Europe
• List of international rankings
• Organization for Security and Co-operation in Europe statistics
• Politics of Europe