Afghanistan

1 December 1949

Albania

12 November 1973

Algeria

19 November 1963

Andorra

17 November 2007

Angola

14 November 1977

Antigua and Barbuda

7 November 1983

Argentina

21 November 1951

Armenia

8 November 1993

Australia

16 October 1945

Austria

27 August 1947

Azerbaijan

20 October 1995

Bahamas

8 November 1975

Bahrain

8 November 1971

Bangladesh

12 November 1973

Barbados

6 November 1967

Belarus

19 November 2005

Belgium

16 October 1945

Belize

7 November 1983

Benin

9 November 1961

Bhutan

7 November 1981

Bolivia, Plurinational State of

16 October 1945

Bosnia and Herzegovina

8 November 1993

Botswana

1 November 1966

Brazil

16 October 1945

Brunei Darussalam

15 June 2013

Bulgaria

6 November 1967

Burkina Faso

9 November 1961

Burundi

19 November 1963

Cambodia

11 November 1950

Cameroon

22 March 1960

Canada

16 October 1945

Cape Verde

8 November 1975

Central African Republic

9 November 1961

Chad

9 November 1961

Chile

17 May 1946

China

16 October 1945

Colombia

17 October 1945

Comoros

14 November 1977

Congo

9 November 1961

Cook Islands

11 November 1985

Costa Rica

7 April 1948

Côte d'Ivoire

9 November 1961

Croatia

8 November 1993

Cuba

19 October 1945

Cyprus

14 September 1960

Czech Republic

8 November 1993

Democratic People's Republic of Korea

14 November 1977

Democratic Republic of the Congo

9 November 1961

Denmark

16 October 1945

Djibouti

14 November 1977

Dominica

12 November 1979

Dominican Republic

16 October 1945

Ecuador

16 October 1945

Egypt

16 October 1945

El Salvador

19 August 1947

Equatorial Guinea

7 November 1981

Eritrea

8 November 1993

Estonia

11 November 1991

Eswatini

8 November 1971

Ethiopia

1 January 1948

Fiji

8 November 1971

Finland

27 August 1947

France

16 October 1945

Gabon

9 November 1961

Gambia

22 November 1965

Georgia

20 October 1995

Germany

27 November 1950

Ghana

9 November 1957

Greece

16 October 1945

Grenada

8 November 1975

Guatemala

16 October 1945

Guinea

5 November 1959

Guinea-Bissau

26 November 1973

Guyana

22 August 1966

Haiti

16 October 1945

Honduras

16 October 1945

Hungary

6 November 1967

Iceland

16 October 1945

India

16 October 1945

Indonesia

28 November 1949

Iran, Islamic Republic of

1 December 1953

Iraq

16 October 1945

Ireland

3 September 1946

Israel

23 November 1949

Italy

12 September 1946

Jamaica

13 March 1963

Japan

21 November 1951

Jordan

23 January 1951

Kazakhstan

7 November 1997

Kenya

27 January 1964

Kiribati

15 November 1999

Kuwait

9 November 1961

Kyrgyzstan

8 November 1993

Lao, People's Democratic Republic

21 November 1951

Latvia

11 November 1991

Lebanon

27 October 1945

Lesotho

7 November 1966

Liberia

16 October 1945

Libya

24 November 1953

Lithuania

11 November 1991

Luxembourg

16 October 1945

Madagascar

9 November 1961

Malawi

22 November 1965

Malaysia

9 November 1957

Maldives

8 November 1971

Mali

9 November 1961

Malta

5 October 1964

Marshall Islands

12 November 1999

Mauritania

9 November 1961

Mauritius

12 March 1968

Mexico

16 October 1945

Micronesia, Federated States of

29 November 2003

Moldova, Republic of

20 October 1995

Monaco

2 November 2001

Mongolia

12 November 1973

Montenegro

17 November 2007

Morocco

13 September 1956

Mozambique

14 November 1977

Myanmar

11 September 1947

Namibia

14 November 1977

Nauru

2 November 2001

Nepal

21 November 1951

Netherlands

16 October 1945

New Zealand

16 October 1945

Nicaragua

26 October 1945

Niger

9 November 1961

Nigeria

11 October 1960

Niue

12 November 1999

North Macedonia

8 November 1993

Norway

16 October 1945

Oman

8 November 1971

Pakistan

7 September 1947

Palau

12 November 1999

Panama

16 October 1945

Papua New Guinea

8 November 1975

Paraguay

30 October 1945

Peru

17 June 1952

Philippines

16 October 1945

Poland

9 November 1957

Portugal

11 September 1946

Qatar

8 November 1971

Republic of Korea

25 November 1949

Romania

9 November 1961

Russian Federation

11 April 2006

Rwanda

19 November 1963

Saint Kitts and Nevis

7 November 1983

Saint Lucia

26 November 1979

Saint Vincent and the Grenadines

7 November 1981

Samoa

12 November 1979

San Marino

12 November 1999

Sao Tome and Principe

14 November 1977

Saudi Arabia

23 November 1948

Senegal

9 November 1961

Serbia

2 November 2001

Seychelles

14 November 1977

Sierra Leone

9 November 1961

Singapore

15 June 2013

Slovakia

8 November 1993

Slovenia

8 November 1993

Solomon Islands

11 November 1985

Somalia

17 November 1960

South Africa

9 November 1993

South Sudan

15 June 2013

Spain

5 April 1951

Sri Lanka

21 May 1948

Sudan

13 September 1956

Suriname

26 November 1975

Sweden

13 February 1950

Switzerland

11 September 1946

Syrian Arab Republic

27 October 1945

Tajikistan

20 October 1995

Thailand

27 August 1947

Timor-Leste

29 November 2003

Togo

23 May 1960

Tonga

7 November 1981

Trinidad and Tobago

19 November 1963

Tunisia

25 November 1955

Turkey

6 April 1948

Turkmenistan

20 October 1995

Tuvalu

29 November 2003

Uganda

19 November 1963

Ukraine

29 November 2003

United Arab Emirates

12 November 1973

United Kingdom

16 October 1945

United Republic of Tanzania

8 February 1962

United States of America

16 October 1945

Uruguay

30 November 1945

Uzbekistan

2 November 2001

Vanuatu

7 November 1983

Venezuela, Bolivarian Republic of

16 October 1945

Viet Nam

11 November 1950

Yemen

22 May 1990

Zambia

22 November 1965

Zimbabwe

7 November 1981

European Union - Member Organization

26 November 1991

Faroe Islands

17 November 2007

Tokelau

25 June 2011