Member states of the International Atomic Energy Agency

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The member states of the International Atomic Energy Agency (IAEA) are those states which have joined the international organization that seeks to promote the peaceful use of nuclear energy, and to inhibit its use for any military purpose, including nuclear weapons. The IAEA was established as an autonomous organization on 29 July 1957. Though established independently of the United Nations through its own international treaty, the IAEA Statute,[1] the IAEA reports to both the UN General Assembly and Security Council. During 1956, an IAEA Statute Conference was held to draft the founding documents for the IAEA, and the IAEA Statute was completed at a conference in 1957.

  Member states
  Observer states
  Withdrew membership
  Non-members

List of member states

As of December 2025, the IAEA has 181 member states.[2] Most UN members and the Holy See are member states of the IAEA. The dates of membership are listed below.

More information State, Date of ratification ...
State[3][4] Date of ratification
Afghanistan 31 May 1957
Albania 23 August 1957
Algeria 24 December 1963
Angola 9 November 1999
Antigua and Barbuda 14 October 2015
Argentina 3 October 1957
Armenia 27 September 1993
Australia 29 July 1957
Austria 10 May 1957
Azerbaijan 30 May 2001
Bahamas 7 January 2014
Bahrain 23 June 2009
Bangladesh 27 September 1972
Barbados 20 November 2015
Belarus 8 April 1957
Belgium 29 April 1958
Belize 31 March 2006
Benin 26 May 1999
Bolivia 15 March 1963
Bosnia and Herzegovina 19 September 1995
Botswana 20 March 2002
Brazil 29 July 1957
Brunei 18 February 2014
Bulgaria 17 August 1957
Burkina Faso 14 September 1998
Burundi 24 June 2009
Cambodia 23 November 2009 [Note 1]
Cameroon 13 July 1964
Canada 29 July 1957
Cape Verde 4 April 2023
Central African Republic 5 January 2001
Chad 2 November 2005
Chile 19 September 1960
China[Note 2] 1 January 1984
Colombia 30 September 1960
Comoros 17 September 2020
Cook Islands 17 October 2024
Republic of the Congo 15 July 2009
Costa Rica 25 March 1965
Cote d'Ivoire 19 November 1963
Croatia 12 February 1993
Cuba 1 October 1957
Cyprus 7 June 1965
Czech Republic 27 September 1993
Democratic Republic of the Congo 10 October 1961
Denmark 16 July 1957
Djibouti 6 March 2015
Dominica 17 February 2012
Dominican Republic 11 July 1957
Ecuador 3 March 1958
Egypt 4 September 1957
El Salvador 22 November 1957
Eritrea 20 December 2002
Estonia 31 January 1992
Eswatini[Note 3] 15 February 2013
Ethiopia 30 September 1957
Fiji 2 November 2012
Finland 7 January 1958
France 29 July 1957
Gabon 21 January 1964
Gambia 3 January 2023
Georgia 23 February 1996
Germany[Note 4] 1 October 1957
Ghana 28 September 1960
Greece 30 September 1957
Grenada 30 April 2018
Guatemala 29 March 1957
Guinea 19 September 2023
Guyana 27 January 2015
Haiti 7 October 1957
Holy See 20 August 1957
Honduras 24 February 2003 [Note 5]
Hungary 8 August 1957
Iceland 6 August 1957
India 16 July 1957
Indonesia 7 August 1957
Iran 16 September 1958
Iraq 4 March 1959
Ireland 6 January 1970
Israel 12 July 1957
Italy 30 September 1957
Jamaica 29 December 1965
Japan 16 July 1957
Jordan 18 April 1966
Kazakhstan 14 February 1994
Kenya 12 July 1965
South Korea 8 August 1957
Kuwait 1 December 1964
Kyrgyzstan 10 September 2003
Laos 4 November 2011
Latvia 10 April 1997
Lebanon 29 June 1961
Lesotho 13 July 2009
Liberia 5 October 1962
Libya 9 September 1963
Liechtenstein 13 December 1968
Lithuania 18 November 1993
Luxembourg 29 January 1958
Madagascar 22 March 1965
Malawi 2 October 2006
Malaysia 15 January 1969
Maldives 4 December 2025
Mali 10 August 1961
Malta 29 September 1997
Marshall Islands 26 January 1994
Mauritania 23 November 2004
Mauritius 31 December 1974
Mexico 7 April 1958
Moldova 24 September 1997
Monaco 19 September 1957
Mongolia 20 September 1973
Montenegro 30 October 2006
Morocco 17 September 1957
Mozambique 18 September 2006
Myanmar 18 October 1957
Namibia 17 February 1983
  Nepal 8 July 2008
Netherlands 30 July 1957
New Zealand 13 September 1957
Nicaragua 25 March 1977 [Note 6]
Niger 27 March 1969
Nigeria 25 March 1964
North Macedonia[Note 7] 25 February 1994
Norway 10 June 1957
Oman 5 February 2009
Pakistan 2 May 1957
Palau 2 March 2007
Panama 2 March 1966
Papua New Guinea 4 April 2012
Paraguay 30 September 1957
Peru 30 September 1957
Philippines 2 September 1958
Poland 31 July 1957
Portugal 12 July 1957
Qatar 27 February 1976
Romania 12 April 1957
Russia 8 April 1957
Rwanda 4 September 2012
Saint Kitts and Nevis 9 February 2022
Saint Lucia 5 February 2019
Saint Vincent and the Grenadines 4 December 2017
Samoa 7 April 2021
San Marino 25 November 2013
Saudi Arabia 13 December 1962
Senegal 1 November 1960
Serbia 31 October 2001
Seychelles 22 April 2003
Sierra Leone 4 June 1967
Singapore 5 January 1967
Slovakia 27 September 1993
Slovenia 21 September 1992
Somalia 15 November 2024
South Africa 6 June 1957
Spain 26 August 1957
Sri Lanka 22 August 1957
Sudan 17 July 1958
Sweden 19 June 1957
 Switzerland 5 April 1957
Syria 6 June 1963
Tajikistan 10 September 2001
Tanzania 6 January 1976
Thailand 15 October 1957
Togo 1 November 2012
Tonga 2 March 2022
Trinidad and Tobago 9 November 2012
Tunisia 14 October 1957
Turkey 19 July 1957
Turkmenistan 16 February 2016
Uganda 30 August 1967
Ukraine 31 July 1957
United Arab Emirates 15 January 1976
United Kingdom 29 July 1957
United States of America 29 July 1957
Uruguay 22 January 1963
Uzbekistan 26 January 1994
Vanuatu 9 September 2015
Venezuela 19 August 1957
Vietnam 24 September 1957
Yemen 14 October 1994
Zambia 8 January 1969
Zimbabwe 1 August 1986
Close
Notes
  1. [1]
    Originally joined on 6 February 1958 but withdrew on 26 March 2003.[5][6][7]
  2. [2]
    Joined as the Republic of China (Taiwan), which is currently only recognized by 11 UN member states, on 10 September 1957.[8] However, the United Nations General Assembly vote to transfer China's seat to the People's Republic of China (PRC) in 1971, after which China ceased to be a member of the IAEA[9] until the PRC joined on 1 January 1984.
  3. [3]
    As Swaziland until 2018.
  4. [4]
    Joined as West Germany. East Germany was also a member of the IAEA prior to German reunification.[10]
  5. [5]
    Originally joined on 9 July 1957 but withdrew on 19 June 1967.[11]
  6. [6]
    Originally joined on 17 September 1957 but withdrew on 14 December 1970.[12][13]
  7. [7]
    Listed under the provisional designation "The former Yugoslav Republic of Macedonia" until 2019.

Non-member states

Former member state

Four states have withdrawn from the IAEA at some point in the past, but three of them have since rejoined the IAEA. North Korea became a member in 1974,[14][15][2] but withdrew in 1994 after the Board of Governors found it in non-compliance with its safeguards agreement and suspended most technical cooperation.[16] Nicaragua became a member in 1957, withdrew its membership in 1970, and rejoined in 1977,[12][13] Honduras joined in 1957, withdrew in 1967, and rejoined in 2003,[11] while Cambodia joined in 1958, withdrew in 2003, and rejoined in 2009.[5][6][7]

More information State, Date of membership ...
State Date of membership Date of withdrawal of membership
North Korea 18 September 1974[15][14] 13 June 1994[16]
Close

Observer state

The IAEA also has one observer state, the State of Palestine.

More information State, Date of observer status ...
State Date of observer status
State of Palestine 28 September 2023[Note 1]
Close
Notes
  1. [1]
    Palestine Liberation Organization originally granted observer status by the IAEA on 23 September 1976.[17] Designation changed to "Palestine" on 29 September 1989,[18] and "State of Palestine" on 28 September 2023.[19]

Other states

The remaining 13 UN member states that, as of 2025, have no relationship with the IAEA are:


Notes

References

External links

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