Statute of the International Atomic Energy Agency

Party

Maldives added

• Ratification: 04-12-2025 (R)
• Entry into force: 04-12-2025
• Reservations / Declarations: No
• Objections: No

Party

Somalia added

• Ratification: 15-11-2024 (R)
• Entry into force: 15-11-2024
• Reservations / Declarations: No
• Objections: No

Party

Cook Islands added

• Ratification: 17-10-2024 (R)
• Entry into force: 17-10-2024
• Reservations / Declarations: No
• Objections: No

Party

Guinea added

• Ratification: 19-09-2023 (R)
• Entry into force: 19-09-2023
• Reservations / Declarations: No
• Objections: No

Party

Cabo Verde added

• Ratification: 04-04-2023 (R)
• Entry into force: 04-04-2023
• Reservations / Declarations: No
• Objections: No

General information

• Entry into force: 29-07-1957

Kingdom part

Netherlands (in Europe)

• Entry into force: 30-07-1957

Netherlands (Bonaire)

• Entry into force: 10-10-2010

Netherlands (Sint Eustatius)

• Entry into force: 10-10-2010

Netherlands (Saba)

• Entry into force: 10-10-2010

Aruba

• Entry into force: 01-01-1986

Curaçao

• Entry into force: 10-10-2010

Sint Maarten

• Entry into force: 10-10-2010

Party

Afghanistan

• Signature: 23-01-1957
• Ratification: 31-05-1957 (R)
• Entry into force: 29-07-1957

Albania

• Signature: 26-10-1956
• Ratification: 23-08-1957 (R)
• Entry into force: 23-08-1957

Algeria

• Ratification: 24-12-1963 (R)
• Entry into force: 24-12-1963

Angola

• Ratification: 09-11-1999 (R)
• Entry into force: 09-11-1999

Argentina

• Signature: 26-10-1956
• Ratification: 03-10-1957 (R)
• Entry into force: 03-10-1957

Armenia

• Ratification: 27-09-1993 (R)
• Entry into force: 27-09-1993

Australia

• Signature: 26-10-1956
• Ratification: 29-07-1957 (R)
• Entry into force: 29-07-1957

Austria

• Signature: 26-10-1956
• Ratification: 10-05-1957 (R)
• Entry into force: 29-07-1957

Azerbaijan

• Ratification: 30-05-2001 (R)
• Entry into force: 30-05-2001

Bangladesh

• Ratification: 27-09-1972 (R)
• Entry into force: 27-09-1972

Belarus

• Signature: 26-10-1956
• Ratification: 08-04-1957 (R)
• Entry into force: 29-07-1957

Belgium

• Signature: 26-10-1956
• Ratification: 29-04-1958 (R)
• Entry into force: 29-04-1958

Belize

• Ratification: 31-03-2006 (R)
• Entry into force: 31-03-2006

Benin

• Ratification: 26-05-1999 (R)
• Entry into force: 26-05-1999

Bolivia

• Signature: 26-10-1956
• Ratification: 15-03-1963 (R)
• Entry into force: 15-03-1963

Bosnia and Herzegovina

• Ratification: 19-09-1995 (R)
• Entry into force: 19-09-1995

Botswana

• Ratification: 20-03-2002 (R)
• Entry into force: 20-03-2002

Brazil

• Signature: 26-10-1956
• Ratification: 29-07-1957 (R)
• Entry into force: 29-07-1957

Bulgaria

• Signature: 26-10-1956
• Ratification: 17-08-1957 (R)
• Entry into force: 17-08-1957

Burkina Faso

• Ratification: 14-09-1998 (R)
• Entry into force: 14-09-1998

Cambodia

• Signature: 26-10-1956
• Ratification: 06-02-1958 (R)
• Entry into force: 06-02-1958

Cameroon

• Ratification: 13-07-1964 (R)
• Entry into force: 13-07-1964

Canada

• Signature: 26-10-1956
• Ratification: 29-07-1957 (R)
• Entry into force: 29-07-1957

Central African Republic

• Ratification: 05-01-2001 (R)
• Entry into force: 05-01-2001

Chad

• Ratification: 02-11-2005 (R)
• Entry into force: 02-11-2005

Chile

• Signature: 26-10-1956
• Ratification: 19-09-1960 (R)
• Entry into force: 19-09-1960

China

• Ratification: 01-01-1984 (R)
• Entry into force: 01-01-1984

Colombia

• Signature: 26-10-1956
• Ratification: 30-09-1960 (R)
• Entry into force: 30-09-1960

Comoros

• Ratification: 17-09-2020 (R)
• Entry into force: 17-09-2020

Costa Rica

• Signature: 26-10-1956
• Ratification: 25-03-1965 (R)
• Entry into force: 25-03-1965

Côte d'Ivoire

• Ratification: 19-11-1963 (R)
• Entry into force: 19-11-1963

Croatia

• Ratification: 12-02-1993 (R)
• Entry into force: 12-02-1993

Cuba

• Signature: 26-10-1956
• Ratification: 01-10-1957 (R)
• Entry into force: 01-10-1957

Cyprus

• Ratification: 07-06-1965 (R)
• Entry into force: 07-06-1965

Czech Republic

• Ratification: 27-09-1993 (R)
• Entry into force: 27-09-1993

Czechoslovakia (<01-01-1993)

• Signature: 26-10-1956
• Ratification: 05-07-1957 (R)
• Entry into force: 29-07-1957

Democratic People's Republic of Korea

• Ratification: 18-09-1974 (R)
• Entry into force: 18-09-1974

Democratic Republic of the Congo

• Ratification: 10-10-1961 (R)
• Entry into force: 10-10-1961

Denmark

• Signature: 26-10-1956
• Ratification: 16-07-1957 (R)
• Entry into force: 16-07-1957

Dominican Republic

• Signature: 26-10-1956
• Ratification: 11-07-1957 (R)
• Entry into force: 29-07-1957

Ecuador

• Signature: 26-10-1956
• Ratification: 03-03-1958 (R)
• Entry into force: 03-03-1958

Egypt

• Signature: 26-10-1956
• Ratification: 04-09-1957 (R)
• Entry into force: 04-09-1957

El Salvador

• Signature: 26-10-1956
• Ratification: 22-11-1957 (R)
• Entry into force: 22-11-1957

Eritrea

• Ratification: 20-12-2002 (R)
• Entry into force: 20-12-2002

Estonia

• Ratification: 31-01-1992 (R)
• Entry into force: 31-01-1992

Ethiopia

• Signature: 26-10-1956
• Ratification: 30-09-1957 (R)
• Entry into force: 30-09-1957

Finland

• Ratification: 07-01-1958 (R)
• Entry into force: 07-01-1958

France

• Signature: 26-10-1956
• Ratification: 29-07-1957 (R)
• Entry into force: 29-07-1957

Gabon

• Ratification: 21-01-1964 (R)
• Entry into force: 21-01-1964

Gambia, The

• Ratification: 03-01-2023 (R)
• Entry into force: 03-01-2023

Georgia

• Ratification: 23-02-1996 (R)
• Entry into force: 23-02-1996

Germany

• Signature: 26-10-1956
• Ratification: 01-10-1957 (R)
• Entry into force: 01-10-1957

Ghana

• Ratification: 28-09-1960 (R)
• Entry into force: 28-09-1960

Greece

• Signature: 26-10-1956
• Ratification: 30-09-1957 (R)
• Entry into force: 30-09-1957

Guatemala

• Signature: 26-10-1956
• Ratification: 29-03-1957 (R)
• Entry into force: 29-03-1957

Haïti

• Signature: 26-10-1956
• Ratification: 07-10-1957 (R)
• Entry into force: 07-10-1957

Holy See

• Signature: 26-10-1956
• Ratification: 20-08-1957 (R)
• Entry into force: 20-08-1957

Honduras

• Ratification: 24-02-2003 (R)
• Entry into force: 24-02-2003

Hungary

• Signature: 26-10-1956
• Ratification: 08-08-1957 (R)
• Entry into force: 08-08-1957

Iceland

• Signature: 26-10-1956
• Ratification: 06-08-1957 (R)
• Entry into force: 06-08-1957

India

• Signature: 26-10-1956
• Ratification: 16-07-1957 (R)
• Entry into force: 29-07-1957

Indonesia

• Signature: 26-10-1956
• Ratification: 07-08-1957 (R)
• Entry into force: 07-08-1957

Iran

• Signature: 26-10-1956
• Ratification: 16-09-1958 (R)
• Entry into force: 16-09-1958

Iraq

• Signature: 15-01-1957
• Ratification: 04-03-1959 (R)
• Entry into force: 04-03-1959

Ireland

• Ratification: 06-01-1970 (R)
• Entry into force: 06-01-1970

Israel

• Signature: 26-10-1956
• Ratification: 12-07-1957 (R)
• Entry into force: 29-07-1957

Italy

• Signature: 15-11-1956
• Ratification: 30-09-1957 (R)
• Entry into force: 30-09-1957

Jamaica

• Ratification: 29-12-1965 (R)
• Entry into force: 29-12-1965

Japan

• Signature: 26-10-1956
• Ratification: 16-07-1957 (R)
• Entry into force: 29-07-1957

Jordan

• Ratification: 18-04-1966 (R)
• Entry into force: 18-04-1966

Kazakhstan

• Ratification: 14-02-1994 (R)
• Entry into force: 14-02-1994

Kenya

• Ratification: 12-07-1965 (R)
• Entry into force: 12-07-1965

Kuwait

• Ratification: 01-12-1964 (R)
• Entry into force: 01-12-1964

Kyrgyzstan

• Ratification: 10-09-2003 (R)
• Entry into force: 10-09-2003

Laos

• Signature: 17-01-1957

Latvia

• Ratification: 10-04-1997 (R)
• Entry into force: 10-04-1997

Lebanon

• Signature: 26-10-1956
• Ratification: 29-06-1961 (R)
• Entry into force: 29-06-1961

Liberia

• Signature: 26-10-1956
• Ratification: 05-10-1962 (R)
• Entry into force: 05-10-1962

Libya

• Signature: 26-10-1956
• Ratification: 09-09-1963 (R)
• Entry into force: 09-09-1963

Liechtenstein

• Ratification: 13-12-1968 (R)
• Entry into force: 13-12-1968

Lithuania

• Ratification: 18-11-1993 (R)
• Entry into force: 18-11-1993

Luxembourg

• Signature: 18-01-1957
• Ratification: 29-01-1958 (R)
• Entry into force: 29-01-1958

Madagascar

• Ratification: 22-03-1965 (R)
• Entry into force: 22-03-1965

Malawi

• Ratification: 02-10-2006 (R)
• Entry into force: 02-10-2006

Malaysia

• Ratification: 15-01-1969 (R)
• Entry into force: 15-01-1969

Mali

• Ratification: 10-08-1961 (R)
• Entry into force: 10-08-1961

Malta

• Ratification: 29-09-1997 (R)
• Entry into force: 29-09-1997

Marshall Islands

• Ratification: 26-01-1994 (R)
• Entry into force: 26-01-1994

Mauritania

• Ratification: 23-11-2004 (R)
• Entry into force: 23-11-2004

Mauritius

• Ratification: 31-12-1974 (R)
• Entry into force: 31-12-1974

Mexico

• Signature: 07-12-1956
• Ratification: 07-04-1958 (R)
• Entry into force: 07-04-1958

Moldova

• Ratification: 24-09-1997 (R)
• Entry into force: 24-09-1997

Monaco

• Signature: 26-10-1956
• Ratification: 19-09-1957 (R)
• Entry into force: 19-09-1957

Mongolia

• Ratification: 20-09-1973 (R)
• Entry into force: 20-09-1973

Montenegro

• Ratification: 30-10-2006 (R)
• Entry into force: 30-10-2006

Morocco

• Signature: 09-01-1957
• Ratification: 17-09-1957 (R)
• Entry into force: 17-09-1957

Mozambique

• Ratification: 18-09-2006 (R)
• Entry into force: 18-09-2006

Myanmar

• Signature: 09-01-1957
• Ratification: 18-10-1957 (R)
• Entry into force: 18-10-1957

Namibia

• Ratification: 17-02-1983 (R)
• Entry into force: 17-02-1983

Netherlands, the Kingdom of the

• Signature: 26-10-1956
• Ratification: 30-07-1957 (R)
• Entry into force: 30-07-1957

New Zealand

• Signature: 26-10-1956
• Ratification: 13-09-1957 (R)
• Entry into force: 13-09-1957

Nicaragua

• Ratification: 25-03-1977 (R)
• Entry into force: 25-03-1977

Niger

• Ratification: 27-03-1969 (R)
• Entry into force: 27-03-1969

Nigeria

• Ratification: 25-03-1964 (R)
• Entry into force: 25-03-1964

North Macedonia

• Ratification: 25-02-1994 (R)
• Entry into force: 25-02-1994

Norway

• Signature: 26-10-1956
• Ratification: 10-06-1957 (R)
• Entry into force: 10-06-1957

Pakistan

• Signature: 26-10-1956
• Ratification: 02-05-1957 (R)
• Entry into force: 29-07-1957

Palau

• Ratification: 02-03-2007 (R)
• Entry into force: 02-03-2007

Panama

• Signature: 26-10-1956
• Ratification: 02-03-1966 (R)
• Entry into force: 02-03-1966

Paraguay

• Signature: 26-10-1956
• Ratification: 30-09-1957 (R)
• Entry into force: 30-09-1957

Peru

• Signature: 26-10-1956
• Ratification: 30-09-1957 (R)
• Entry into force: 30-09-1957

Philippines

• Signature: 26-10-1956
• Ratification: 02-09-1958 (R)
• Entry into force: 02-09-1958

Poland

• Signature: 26-10-1956
• Ratification: 31-07-1957 (R)
• Entry into force: 31-07-1957

Portugal

• Signature: 26-10-1956
• Ratification: 12-07-1957 (R)
• Entry into force: 29-07-1957

Qatar

• Ratification: 27-02-1976 (R)
• Entry into force: 27-02-1976

Republic of Korea, the

• Signature: 26-10-1956
• Ratification: 08-08-1957 (R)
• Entry into force: 08-08-1957

Romania

• Signature: 26-10-1956
• Ratification: 12-04-1957 (R)
• Entry into force: 29-07-1957

Russian Federation

• Signature: 26-10-1956
• Ratification: 08-04-1957 (R)
• Entry into force: 29-07-1957

Saint Kitts and Nevis

• Ratification: 09-02-2022 (R)
• Entry into force: 09-02-2022

Samoa

• Ratification: 07-04-2021 (R)
• Entry into force: 07-04-2021

Saudi Arabia

• Ratification: 13-12-1962 (R)
• Entry into force: 13-12-1962

Senegal

• Ratification: 01-11-1960 (R)
• Entry into force: 01-11-1960

Serbia

• Ratification: 31-10-2001 (R)
• Entry into force: 31-10-2001

Seychelles

• Ratification: 22-04-2003 (R)
• Entry into force: 22-04-2003

Sierra Leone

• Ratification: 04-06-1967 (R)
• Entry into force: 04-06-1967

Singapore

• Ratification: 05-01-1967 (R)
• Entry into force: 05-01-1967

Slovakia

• Ratification: 27-09-1993 (R)
• Entry into force: 27-09-1993

Slovenia

• Ratification: 21-09-1992 (R)
• Entry into force: 21-09-1992

South Africa

• Signature: 26-10-1956
• Ratification: 06-06-1957 (R)
• Entry into force: 29-07-1957

Spain

• Signature: 26-10-1956
• Ratification: 26-08-1957 (R)
• Entry into force: 26-08-1957

Sri Lanka

• Signature: 26-10-1956
• Ratification: 22-08-1957 (R)
• Entry into force: 22-08-1957

Sudan

• Signature: 26-10-1956
• Ratification: 17-07-1958 (R)
• Entry into force: 17-07-1958

Sweden

• Signature: 26-10-1956
• Ratification: 19-06-1957 (R)
• Entry into force: 29-07-1957

Switzerland

• Signature: 26-10-1956
• Ratification: 05-04-1957 (R)
• Entry into force: 29-07-1957

Syria

• Signature: 26-10-1956
• Ratification: 06-06-1963 (R)
• Entry into force: 06-06-1963

Tajikistan

• Ratification: 10-09-2001 (R)
• Entry into force: 10-09-2001

Tanzania

• Ratification: 06-01-1976 (R)
• Entry into force: 06-01-1976

Thailand

• Signature: 26-10-1956
• Ratification: 15-10-1957 (R)
• Entry into force: 15-10-1957

Tonga

• Ratification: 02-03-2022 (R)
• Entry into force: 02-03-2022

Tunisia

• Signature: 08-01-1957
• Ratification: 14-10-1957 (R)
• Entry into force: 14-10-1957

Türkiye

• Signature: 26-10-1956
• Ratification: 19-07-1957 (R)
• Entry into force: 29-07-1957

Uganda

• Ratification: 30-08-1967 (R)
• Entry into force: 30-08-1967

Ukraine

• Signature: 26-10-1956
• Ratification: 31-07-1957 (R)
• Entry into force: 31-07-1957

United Arab Emirates

• Ratification: 15-01-1976 (R)
• Entry into force: 15-01-1976

United Kingdom

• Signature: 26-10-1956
• Ratification: 29-07-1957 (R)
• Entry into force: 29-07-1957

United States of America

• Signature: 26-10-1956
• Ratification: 29-07-1957 (R)
• Entry into force: 29-07-1957

Uruguay

• Signature: 26-10-1956
• Ratification: 22-01-1963 (R)
• Entry into force: 22-01-1963

Uzbekistan

• Ratification: 26-01-1994 (R)
• Entry into force: 26-01-1994

Venezuela

• Signature: 26-10-1956
• Ratification: 19-08-1957 (R)
• Entry into force: 19-08-1957

Vietnam

• Signature: 26-10-1956
• Ratification: 24-09-1957 (R)
• Entry into force: 24-09-1957

Yemen

• Ratification: 14-10-1994 (R)
• Entry into force: 14-10-1994

Yugoslavia (< 25-06-1991)

• Signature: 26-10-1956
• Ratification: 17-09-1957 (R)
• Entry into force: 17-09-1957

Zambia

• Ratification: 08-01-1969 (R)
• Entry into force: 08-01-1969

Zimbabwe

• Ratification: 01-08-1986 (R)
• Entry into force: 01-08-1986