List of Parties To The Partial Test Ban Treaty - Ratified or Acceded States

Ratified or Acceded States

Multiple dates indicate the different days in which states submitted their signature or deposition, which varied by location. This location is noted by: (L) for London, (M) for Moscow, and (W) for Washington.

State Signed Deposited Method
Afghanistan 01963-08-08Aug 8, 1963 (L, M, W) 01964-03-12Mar 12, 1964 (L)
01964-03-13Mar 13, 1964 (W)
01964-03-23Mar 23, 1964 (M)
Ratification as Kingdom of Afghanistan
Antigua and Barbuda 01988-11-16Nov 16, 1988 (W)
01988-12-26Dec 26, 1988 (M)
01989-01-26Jan 26, 1989 (L)
Succession from United Kingdom
Argentina 01963-08-08Aug 8, 1963 (W)
01963-08-09Aug 9, 1963 (L, M)
01986-11-14Nov 14, 1986 (L)
01986-11-17Nov 17, 1986 (M)
01986-11-21Nov 21, 1986 (W)
Ratification
Armenia 01994-06-07Jun 7, 1994 (M, W) Accession
Australia 01963-08-08Aug 8, 1963 (L, M, W) 01963-11-12Nov 12, 1963 (L, M, W) Ratification
Austria 01963-09-11Sep 11, 1963 (W)
01963-09-12Sep 12, 1963 (L, M)
01964-07-17Jul 17, 1964 (L, M, W) Ratification
Bahamas 01976-08-11Aug 11, 1976 (L)
01976-08-13Aug 13, 1976 (W)
01976-08-30Aug 30, 1976 (M)
Succession from United Kingdom
Bangladesh 01985-03-11Mar 11, 1985 (M)
01985-03-12Mar 12, 1985 (W)
01985-03-13Mar 13, 1985 (L)
Accession
Belarus 01963-10-08Oct 8, 1963 (M) 01963-12-16Dec 16, 1963 (M) Ratification as Byelorussian SSR
Belgium 01963-08-08Aug 8, 1963 (L, M, W) 01966-03-01Mar 1, 1966 (L, M, W) Ratification
Benin 01963-08-27Aug 27, 1963 (W)
01963-09-03Sep 3, 1963 (L)
01963-10-09Oct 9, 1963 (M)
01964-12-15Dec 15, 1964 (W)
01964-12-23Dec 23, 1964 (M)
01965-04-22Apr 22, 1965 (L)
Ratification as Republic of Dahomey
Bhutan 01978-06-08Jun 8, 1978 (W) Accession
Bolivia 01963-08-08Aug 8, 1963 (W)
01963-08-21Aug 21, 1963 (L, M)
01965-08-04Aug 4, 1965 (M, W)
01966-01-25Jan 25, 1966 (L)
Ratification
Bosnia and Herzegovina 01994-08-15Aug 15, 1994 (W) Succession from SFR Yugoslavia
Botswana 01968-01-15Jan 15, 1968 (M)
01968-02-14Feb 14, 1968 (L)
01968-03-04Mar 4, 1968 (W)
Succession from United Kingdom
Brazil 01963-08-08Aug 8, 1963 (L, M, W) 01964-12-15Dec 15, 1964 (M)
01965-01-15Jan 15, 1965 (W)
01965-03-04Mar 4, 1965 (L)
Ratification
Bulgaria 01963-08-08Aug 8, 1963 (L, M, W) 01963-11-13Nov 13, 1963 (W)
01963-11-21Nov 21, 1963 (M)
01963-12-02Dec 2, 1963 (L)
Ratification as People's Republic of Bulgaria
Canada 01963-08-08Aug 8, 1963 (L, M, W) 01964-01-28Jan 28, 1964 (L, M, W) Ratification
Cape Verde 01979-10-24Oct 24, 1979 (M) Accession
Central African Republic 01964-12-22Dec 22, 1964 (W)
01965-08-24Aug 24, 1965 (L)
01965-09-25Sep 25, 1965 (M)
Accession
Chad 01963-08-26Aug 26, 1963 (W) 01965-03-01Mar 1, 1965 (W) Ratification
Chile 01963-08-08Aug 8, 1963 (W)
01963-08-09Aug 9, 1963 (L, M)
01965-10-06Oct 6, 1965 (L) Ratification
Colombia 01963-08-16Aug 16, 1963 (W)
01963-08-20Aug 20, 1963 (L, M)
01985-10-17Oct 17, 1985 (L, W) Ratification
Costa Rica 01963-08-09Aug 9, 1963 (L)
01963-08-13Aug 13, 1963 (W)
01963-08-23Aug 23, 1963 (M)
01967-07-10Jul 10, 1967 (W) Ratification
Côte d'Ivoire 01963-09-05Sep 5, 1963 (W) 01965-02-05Feb 5, 1965 (W) Ratification as the Republic of Ivory Coast
Croatia 01993-06-08Jun 8, 1993 (W) Succession from SFR Yugoslavia
Cyprus 01963-08-08Aug 8, 1963 (L, M, W) 01965-04-15Apr 15, 1965 (L)
01965-04-21Apr 21, 1965 (M)
01965-05-07May 7, 1965 (W)
Ratification
Czech Republic 01993-01-01Jan 1, 1993 (M, W)
01993-04-05Apr 5, 1993 (L)
Succession from Czechoslovakia
Democratic Republic of the Congo 01963-08-09Aug 9, 1963 (L, W)
01963-08-12Aug 12, 1963 (M)
01965-10-28Oct 28, 1965 (W) Ratification as Republic of the Congo (Léopoldville)
Denmark 01963-08-09Aug 9, 1963 (L, M, W) 01964-01-15Jan 15, 1964 (L, M, W) Ratification
Dominican Republic 01963-09-16Sep 16, 1963 (W)
01963-09-17Sep 17, 1963 (L, M)
01964-06-03Jun 3, 1964 (M)
01964-06-18Jun 18, 1964 (L)
01964-07-22Jul 22, 1964 (W)
Ratification
Ecuador 01963-09-27Sep 27, 1963 (W)
01963-10-01Oct 1, 1963 (L, W)
01964-05-06May 6, 1964 (W)
01964-05-08May 8, 1964 (L)
01964-11-13Nov 13, 1964 (M)
Ratification
Egypt 01963-08-08Aug 8, 1963 (L, M, W) 01964-01-10Jan 10, 1964 (L, M, W) Ratification as the United Arab Republic
El Salvador 01963-08-21Aug 21, 1963 (W)
01963-08-22Aug 22, 1963 (L, M)
01964-12-03Dec 3, 1964 (W)
01964-12-07Dec 7, 1964 (L)
01965-02-09Feb 9, 1965 (M)
Ratification
Equatorial Guinea 01989-01-16Jan 16, 1989 (M) Accession
Fiji 01972-07-14Jul 14, 1972 (M)
01972-07-18Jul 18, 1972 (W)
01972-08-14Aug 14, 1972 (L)
Succession from United Kingdom
Finland 01963-08-08Aug 8, 1963 (L, M, W) 01964-01-09Jan 9, 1964 (L, M, W) Ratification
Gabon 01963-09-10Sep 10, 1963 (W) 01964-02-20Feb 20, 1964 (W)
01964-03-04Mar 4, 1964 (L)
01964-03-09Mar 9, 1964 (M)
Ratification
Gambia 01965-04-27Apr 27, 1965 (M, W)
01965-05-06May 6, 1965 (L)
Succession from United Kingdom
Germany 01963-08-19Aug 19, 1963 (L, M, W) 01964-12-01Dec 1, 1964 (L, W) Ratification as West Germany
Ghana 01963-08-09Aug 9, 1963 (W)
01963-09-04Sep 4, 1963 (L, M)
01963-11-27Nov 27, 1963 (L)
01964-01-09Jan 9, 1964 (W)
01965-05-31May 31, 1965 (M)
Ratification
Greece 01963-08-08Aug 8, 1963 (W)
01963-08-09Aug 9, 1963 (L, M)
01963-12-18Dec 18, 1963 (L, M, W) Ratification as Kingdom of Greece
Guatemala 01963-09-23Sep 23, 1963 (W) 01964-01-06Jan 6, 1964 (W) Ratification
Guinea-Bissau 01976-08-20Aug 20, 1976 (M) Accession
Honduras 01963-08-08Aug 8, 1963 (W)
01963-08-15Aug 15, 1963 (L, M)
01964-10-02Oct 2, 1964 (W)
01964-12-02Dec 2, 1964 (L)
Ratification
Hungary 01963-08-08Aug 8, 1963 (L, M, W) 01963-10-21Oct 21, 1963 (L, M)
01963-10-22Oct 22, 1963 (W)
Ratification as the People's Republic of Hungary
Iceland 01963-08-12Aug 12, 1963 (L, M, W) 01964-04-29Apr 29, 1964 (L, M, W) Ratification
India 01963-08-08Aug 8, 1963 (L, M, W) 01963-10-10Oct 10, 1963 (L)
01963-10-14Oct 14, 1963 (M)
01963-10-18Oct 18, 1963 (W)
Ratification
Indonesia 01963-08-23Aug 23, 1963 (L, M, W) 01964-01-20Jan 20, 1964 (M)
01964-01-27Jan 27, 1964 (W)
01964-05-08May 8, 1964 (L)
Ratification
Iran 01963-08-08Aug 8, 1963 (L, M, W) 01964-05-05May 5, 1964 (L, M, W) Ratification as the Empire of Iran
Iraq 01963-08-13Aug 13, 1963 (L, M, W) 01964-11-30Nov 30, 1964 (L)
01964-12-01Dec 1, 1964 (W)
01964-12-03Dec 3, 1964 (M)
Ratification
Ireland 01963-08-08Aug 8, 1963 (L, M, W) 01963-12-18Dec 18, 1963 (L, W)
01963-12-20Dec 20, 1963 (M)
Ratification
Israel 01963-08-08Aug 8, 1963 (L, M, W) 01964-01-15Jan 15, 1964 (L, W)
01964-01-28Jan 28, 1964 (M)
Ratification
Italy 01963-08-08Aug 8, 1963 (L, M, W) 01964-12-10Dec 10, 1964 (L, M, W) Ratification
Jamaica 01963-08-13Aug 13, 1963 (L, M, W) 01991-11-11Nov 11, 1991 (M)
01991-11-22Nov 22, 1991 (W)
Ratification
Japan 01963-08-14Aug 14, 1963 (L, M, W) 01964-06-15Jun 15, 1964 (L, M, W) Ratification
Jordan 01963-08-12Aug 12, 1963 (L, M, W) 01964-05-29May 29, 1964 (L)
01964-07-07Jul 7, 1964 (M)
01964-07-10Jul 10, 1964 (W)
Ratification
Kenya 01965-06-10Jun 10, 1965 (L)
01965-06-11Jun 11, 1965 (W)
01965-06-30Jun 30, 1965 (M)
Accession
Kuwait 01963-08-20Aug 20, 1963 (L, M, W) 01965-05-20May 20, 1965 (W)
01965-05-21May 21, 1965 (L)
01965-06-17Jun 17, 1965 (M)
Ratification
Laos 01963-08-12Aug 12, 1963 (L, M, W) 01965-02-10Feb 10, 1965 (L)
01965-02-12Feb 12, 1965 (W)
01965-04-07Apr 7, 1965 (M)
Ratification as the Kingdom of Laos
Lebanon 01963-08-12Aug 12, 1963 (W)
01963-08-13Aug 13, 1963 (L, M)
01965-05-14May 14, 1965 (W)
01965-05-20May 20, 1965 (L)
01965-06-04Jun 4, 1965 (M)
Ratification
Liberia 01963-08-08Aug 8, 1963 (W)
01963-08-16Aug 16, 1963 (L, M)
01964-05-19May 19, 1964 (W)
01964-05-22May 22, 1964 (L)
01964-06-16Jun 16, 1964 (M)
Ratification
Libya 01963-08-09Aug 9, 1963 (L, M)
01963-08-16Aug 16, 1963 (W)
01968-07-15Jul 15, 1968 (L) Ratification as the Kingdom of Libya
Luxembourg 01963-08-13Aug 13, 1963 (L)
01963-09-03Sep 3, 1963 (W)
01963-09-13Sep 13, 1963 (M)
01965-02-10Feb 10, 1965 (L, M, W) Ratification
Madagascar 01963-09-23Sep 23, 1963 (W) 01965-03-15Mar 15, 1965 (W) Ratification
Malawi 01964-11-26Nov 26, 1964 (M)
01964-11-29Nov 29, 1964 (W)
01965-01-07Jan 7, 1965 (L)
Succession from United Kingdom
Malaysia 01963-08-08Aug 8, 1963 (W)
01963-08-12Aug 12, 1963 (L)
01963-08-21Aug 21, 1963 (M)
01964-07-15Jul 15, 1964 (M)
01964-07-16Jul 16, 1964 (L, W)
Ratification
Malta 01964-11-25Nov 25, 1964 (M ,W)
01964-12-01Dec 1, 1964 (L)
Succession from United Kingdom
Mauritania 01963-09-13Sep 13, 1963 (W)
01963-09-17Sep 17, 1963 (L, M)
01964-04-06Apr 6, 1964 (W)
01964-04-15Apr 15, 1964 (L)
01964-04-28Apr 28, 1964 (M)
Ratification
Mauritius 01969-04-30Apr 30, 1969 (M, W)
01969-05-12May 12, 1969 (L)
Succession from United Kingdom
Mexico 01963-08-08Aug 8, 1963 (L, M, W) 01963-12-27Dec 27, 1963 (L, M, W) Ratification
Mongolia 01963-08-08Aug 8, 1963 (L, M) 01963-11-01Nov 1, 1963 (M)
01963-11-07Nov 7, 1963 (L)
Ratification as the Mongolian People's Republic
Montenegro 02006-06-03Jun 3, 2006 (L, M) Succession from Serbia and Montenegro
Morocco 01963-08-27Aug 27, 1963 (W)
01963-08-30Aug 30, 1963 (L, M)
01966-02-01Feb 1, 1966 (L)
01966-02-18Feb 18, 1966 (M)
01966-02-21Feb 21, 1966 (W)
Ratification
Myanmar 01963-08-14Aug 14, 1963 (L, M, W) 01963-11-15Nov 15, 1963 (L, M, W) Ratification as Union of Burma
Nepal 01963-08-26Aug 26, 1963 (L, M)
01963-08-30Aug 30, 1963 (W)
01964-10-07Oct 7, 1964 (L, M, W) Ratification as the Kingdom of Nepal
Netherlands 01963-08-09Aug 9, 1963 (L, M, W) 01964-09-14Sep 14, 1964 (L, M, W) Ratification
New Zealand 01963-08-08Aug 8, 1963 (L, M, W) 01963-10-10Oct 10, 1963 (L, W)
01963-10-16Oct 16, 1963 (M)
Ratification
Nicaragua 01963-08-13Aug 13, 1963 (L, M, W) 01965-01-26Jan 26, 1965 (L)
01965-02-26Feb 26, 1965 (M, W)
Ratification
Niger 01963-09-24Sep 24, 1963 (L, M, W) 01964-07-03Jul 3, 1964 (M)
01964-07-06Jul 6, 1964 (L)
01964-07-09Jul 9, 1964 (W)
Ratification
Nigeria 01963-09-02Sep 2, 1963 (L)
01963-09-04Sep 4, 1963 (W)
01964-09-02Sep 2, 1964 (M)
01967-02-17Feb 17, 1967 (L)
01967-02-25Feb 25, 1967 (M)
01967-02-28Feb 28, 1967 (W)
Ratification
Norway 01963-08-09Aug 9, 1963 (L, M, W) 01963-11-21Nov 21, 1963 (L, M, W) Ratification
Pakistan 01963-08-14Aug 14, 1963 (L, M, W) 01988-03-03Mar 3, 1988 (L) Ratification
Panama 01963-09-20Sep 20, 1963 (W) 01966-02-24Feb 24, 1966 (W) Ratification
Papua New Guinea 01980-10-27Oct 27, 1980 (L)
01980-11-13Nov 13, 1980 (M)
01981-03-16Mar 16, 1981 (W)
Succession from Australia
Peru 01963-08-23Aug 23, 1963 (L, M, W) 01964-07-20Jul 20, 1964 (W)
01964-08-04Aug 4, 1964 (L)
01964-08-21Aug 21, 1964 (M)
Ratification
Philippines 01963-08-08Aug 8, 1963 (L, M, W) 01965-11-10Nov 10, 1965 (L)
01965-11-15Nov 15, 1965 (W)
01966-02-08Feb 8, 1966 (M)
Ratification
Poland 01963-08-08Aug 8, 1963 (L, M, W) 01963-10-14Oct 14, 1963 (L, M, W) Ratification as People's Republic of Poland
Republic of China 01963-08-23Aug 23, 1963 (M) 01964-05-18May 18, 1964 (M) Ratification
Romania 01963-08-08Aug 8, 1963 (L, M, W) 01963-12-12Dec 12, 1963 (L, M, W) Ratification as People's Republic of Romania
Russia 01963-08-05Aug 5, 1963 (L, M, W) 01963-10-10Oct 10, 1963 (L, M, W) Ratification as Soviet Union
Rwanda 01963-09-19Sep 19, 1963 (W) 01963-10-22Oct 22, 1963 (L)
01963-12-16Dec 16, 1963 (M)
01963-12-27Dec 27, 1963 (W)
Ratification
Samoa 01963-09-05Sep 5, 1963 (L, M)
01963-09-06Sep 6, 1963 (W)
01965-01-15Jan 15, 1965 (W)
01965-01-19Jan 19, 1965 (L)
01965-02-08Feb 8, 1965 (M)
Ratification as Western Samoa
San Marino 01963-09-17Sep 17, 1963 (W)
01963-09-20Sep 20, 1963 (L, M)
01964-07-03Jul 3, 1964 (L)
01964-07-09Jul 9, 1964 (W)
01964-11-27Nov 27, 1964 (M)
Ratification
Senegal 01963-09-20Sep 20, 1963 (W)
01963-09-23Sep 23, 1963 (L, M)
01964-05-06May 6, 1964 (L)
01964-05-12May 12, 1964 (M)
01964-06-02Jun 2, 1964 (W)
Ratification
Serbia 01963-08-08Aug 8, 1963 (M) 01964-01-31Jan 31, 1964 (M) Ratification as SFR Yugoslavia
Succession as FR Yugoslavia (later known as Serbia and Montenegro)
Succession as Serbia on 02006-06-03Jun 3, 2006
Seychelles 01985-03-12Mar 12, 1985 (L)
01985-03-14Mar 14, 1985 (M)
01985-04-08Apr 8, 1985 (W)
Accession
Sierra Leone 01963-09-04Sep 4, 1963 (L, M)
01963-09-11Sep 11, 1963 (W)
01964-02-21Feb 21, 1964 (L)
01964-03-04Mar 4, 1964 (W)
01964-04-29Apr 29, 1964 (M)
Ratification
Singapore 01968-07-12Jul 12, 1968 (M, W)
01968-07-23Jul 23, 1968 (L)
Succession from Malaysia
Slovakia 01993-01-01Jan 1, 1993 (M, W)
01993-05-17May 17, 1993 (L)
Succession from Czechoslovakia
Signed 01963-08-08Aug 8, 1963
Ratified 01963-10-14Oct 14, 1963
Slovenia 01992-04-07Apr 7, 1992 (L)
01992-08-20Aug 20, 1992 (W)
Succession from SFR Yugoslavia
South Africa 01963-10-10Oct 10, 1963 (L, W)
01963-11-22Nov 22, 1963 (M)
Accession
South Korea 01963-08-30Aug 30, 1963 (L, W) 01964-07-24Jul 24, 1964 (L, W) Ratification
Spain 01963-08-13Aug 13, 1963 (W)
01963-08-14Aug 14, 1963 (L)
01964-12-17Dec 17, 1964 (L, W) Ratification as Spanish State
Sri Lanka 01963-08-22Aug 22, 1963 (L, W)
01963-08-23Aug 23, 1963 (M)
01964-02-05Feb 5, 1964 (W)
01964-02-12Feb 12, 1964 (M)
01964-02-13Feb 13, 1964 (L)
Ratification as Dominion of Ceylon
Sudan 01963-08-09Aug 9, 1963 (L, M, W) 01966-03-04Mar 4, 1966 (L, W)
01966-03-28Mar 28, 1966 (M)
Ratification
Suriname 01993-01-06Jan 6, 1993 (L)
01993-04-09Apr 9, 1993 (W)
Accession
Swaziland 01969-05-29May 29, 1969 (L, W)
01969-06-03Jun 3, 1969 (M)
Accession
Sweden 01963-08-12Aug 12, 1963 (L, M, W) 01963-12-09Dec 9, 1963 (L, M, W) Ratification
Switzerland 01963-08-26Aug 26, 1963 (L, M, W) 01964-01-16Jan 16, 1964 (L, M, W) Ratification
Syria 01963-08-13Aug 13, 1963 (L, M, W) 01964-06-01Jun 1, 1964 (L, M, W) Ratification
Tanzania 01963-09-16Sep 16, 1963 (L)
01963-09-18Sep 18, 1963 (W)
01963-09-20Sep 20, 1963 (M)
01964-02-06Feb 6, 1964 (L) Ratification
Thailand 01963-08-08Aug 8, 1963 (L, M, W) 01963-11-15Nov 15, 1963 (L)
01963-11-21Nov 21, 1963 (M)
01963-11-29Nov 29, 1963 (W)
Ratification
Togo 01963-09-18Sep 18, 1963 (W) 01964-12-07Dec 7, 1964 (W) Ratification
Tonga 01971-06-22Jun 22, 1971 (M)
01971-07-07Jul 7, 1971 (L, W)
Succession from United Kingdom
Trinidad and Tobago 01963-08-12Aug 12, 1963 (L, M, W) 01964-07-14Jul 14, 1964 (W)
01964-07-16Jul 16, 1964 (L)
01964-08-06Aug 6, 1964 (M)
Ratification
Tunisia 01963-08-08Aug 8, 1963 (W)
01963-08-12Aug 12, 1963 (L, M)
01965-05-26May 26, 1965 (L, M)
01965-06-03Jun 3, 1965 (W)
Ratification
Turkey 01963-08-09Aug 9, 1963 (L, M, W) 01965-07-08Jul 8, 1965 (L, M, W) Ratification
Uganda 01963-08-29Aug 29, 1963 (L, W) 01964-03-24Mar 24, 1964 (L)
01964-04-02Apr 2, 1964 (W)
Ratification
Ukraine 01963-10-08Oct 8, 1963 (M) 01963-12-30Dec 30, 1963 (M) Ratification as Ukrainian SSR
United Kingdom 01963-08-05Aug 5, 1963 (L, M, W) 01963-10-10Oct 10, 1963 (L, M, W) Ratification
United States 01963-08-05Aug 5, 1963 (L, M, W) 01963-10-10Oct 10, 1963 (L, M, W) Ratification
Uruguay 01963-08-12Aug 12, 1963 (W)
01963-09-27Sep 27, 1963 (L, M)
01969-02-25Feb 25, 1969 (L) Ratification
Venezuela 01963-08-16Aug 16, 1963 (W)
01963-08-20Aug 20, 1963 (L, M)
01965-02-22Feb 22, 1965 (M)
01965-03-03Mar 3, 1965 (L)
01965-03-29Mar 29, 1965 (W)
Ratification
Yemen 01979-06-01Jun 1, 1979 (M) Accession as South Yemen
Zambia 01965-01-11Jan 11, 1965 (M, W)
01965-02-08Feb 8, 1965 (L)
Succession from United Kingdom

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