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The information provided on this database is for guidance only. Whilst the FCO Treaty Section takes care to obtain its information from reliable sources, the accuracy of database records cannot be guaranteed. The FCO will not be liable for any loss or damage resulting from any reliance placed on this information.
Treaty on the Non-Proliferation of Nuclear Weapons [London Version]

Treaty Type:  Multilateral

Depository:  United Kingdom [Multidepositary]

Place Of Signature:  London

Date Of Signature:  01-Jul-1968

Publication Records

  • PRO (now TNA) FO 93/1/837 A,B,C/0: 0
  • FCO 85 (TNA) 265/0: 0
  • FCO 85 (TNA) 387/0: 0
  • FCO 85 (TNA) 388/0: 0
  • UN Registration UK, US/0: 880384
  • Miscellaneous Series 012/1968: Cmnd3683

Participant Status

CountryAction Action DateEffective Date
AFGHANISTAN Signature 01-Jul-1968
AFGHANISTAN Ratification 05-Mar-1970
ALBANIA Accession 12-Sep-1990
ALGERIA Accession 12-Jan-1995
ANDORRA Accession 07-Jun-1996
Antigua Extension 27-Nov-1968
ANTIGUA AND BARBUDA Succession 17-Jun-1985
Antilles Extension 02-May-1975
ARGENTINA Accession 17-Feb-1995
Aruba Extension 01-Jan-1986
AUSTRALIA Signature 27-Feb-1970
AUSTRALIA Declaration 27-Feb-1970
AUSTRALIA Ratification 23-Jan-1973
AUSTRALIA Withdrawal Dec. 29-Aug-1985
AUSTRIA Signature 01-Jul-1968 01-Jan-1900
AUSTRIA Ratification 27-Jun-1969 01-Jan-1900
BAHAMAS Succession 11-Aug-1976 16-Jul-1976
BANGLADESH Accession 31-Aug-1979
BELARUS Accession 23-Jul-1993
BELARUS Notification 05-Dec-1994 05-Dec-1994
BELGIUM Signature 20-Aug-1968 01-Jan-1900
BELGIUM Ratification 02-May-1995 01-Jan-1900
BELIZE Succession 09-Aug-1985 21-Sep-1981
Berlin West Extension 02-May-1975
BOTSWANA Ratification 28-Apr-1968 01-Jan-1900
BRAZIL Accession 18-Sep-1998 18-Sep-1998
Brunei Ratification 27-Nov-1968
BULGARIA Signature 01-Jul-1968
BULGARIA Ratification 03-Nov-1969
BULGARIA Objection 10-Feb-1976
CANADA Signature 23-Jul-1968 01-Jan-1900
CANADA Ratification 23-Jul-1968 01-Jan-1900
Caribbean part of the Netherlands Extension 10-Oct-2010
CHAD Ratification 23-Mar-1971
CHINA Accession 09-Mar-1992
COLOMBIA Accession 30-Apr-1986
Curacao Extension 10-Oct-2010
CYPRUS Signature 01-Jul-1968 01-Jan-1900
CYPRUS Ratification 05-Mar-1970 01-Jan-1900
CZECH REPUBLIC Succession 05-Apr-1993 01-Jan-1993
CZECHOSLOVAKIA Signature 01-Jul-1968 01-Jan-1900
CZECHOSLOVAKIA Ratification 22-Jul-1969 01-Jan-1900
DENMARK Signature 01-Jul-1968 01-Jan-1900
DENMARK Ratification 03-Jan-1969 01-Jan-1900
Dominica Extension 27-Nov-1968
DOMINICA, COMMONWEALTH OF Succession 10-Aug-1984 03-Nov-1978
EGYPT Signature 01-Jul-1968
EGYPT Ratification 26-Feb-1981
EGYPT Statement 26-Feb-1981
ESTONIA Accession 07-Jan-1992
ETHIOPIA Signature 05-Sep-1968 01-Jan-1900
ETHIOPIA Ratification 05-Mar-1970 01-Jan-1900
FIJI Succession 14-Aug-1972 14-Jul-1972
FINLAND Signature 01-Jul-1968 01-Jan-1900
FINLAND Ratification 05-Feb-1969 01-Jan-1900
FRANCE Accession 03-Aug-1992
GAMBIA THE Signature 04-Sep-1968 01-Jan-1900
GERMANY FEDERAL REPUBLIC Declaration 28-Nov-1969
GERMANY FEDERAL REPUBLIC Ratification 02-May-1975
GERMANY FEDERAL REPUBLIC Declaration 02-May-1975
GHANA Signature 24-Jul-1968
GHANA Ratification 04-May-1970
Grenada Extension 27-Nov-1968
GRENADA Succession 02-Sep-1975
HOLY SEE Accession 25-Feb-1971
HOLY SEE Declaration 25-Feb-1971
HUNGARY Signature 01-Jul-1968
HUNGARY Ratification 27-May-1969
HUNGARY Objection 02-Jul-1975
ICELAND Signature 01-Jul-1968
ICELAND Ratification 18-Jul-1968
INDONESIA Signature 02-Mar-1970
INDONESIA Declaration 02-Mar-1970
INDONESIA Ratification 12-Jul-1979
INDONESIA Declaration 12-Jul-1979
IRAN Signature 01-Jul-1968
IRAN Ratification 05-Mar-1970
IRELAND, REPUBLIC OF Signature 04-Jul-1968
IRELAND, REPUBLIC OF Ratification 04-Jul-1968
ITALY Signature 28-Jan-1969
ITALY Statement 28-Jan-1969
ITALY Ratification 02-May-1975
ITALY Statement 02-May-1975
JAMAICA Signature 14-Apr-1969
JAMAICA Ratification 05-Mar-1970
JAPAN Signature 03-Feb-1970
JAPAN Statement 03-Feb-1970
JAPAN Ratification 08-Jun-1976
JAPAN Statement 08-Jun-1976
KAZAKHSTAN Accession 21-Mar-1994
KAZAKHSTAN Notification 05-Dec-1994 05-Dec-1994
KIRIBATI Succession 18-Apr-1985
KUWAIT Signature 22-Aug-1968
LAOS Signature 01-Jul-1968
LAOS Ratification 05-Mar-1970
LATVIA Accession 31-Jan-1992
LEBANON Signature 01-Jul-1968
LEBANON Ratification 15-Jul-1970
LIBYA Signature 18-Jul-1968
LIBYA Ratification 26-May-1975
LIECHTENSTEIN Accession 20-Apr-1978
LIECHTENSTEIN Declaration 20-Apr-1978
LITHUANIA Accession 23-Sep-1991
LUXEMBOURG Signature 14-Aug-1968
LUXEMBOURG Ratification 02-May-1975
MACEDONIA THE FYR OF Succession 30-Mar-1995 17-Nov-1991
MALAWI Accession 18-Feb-1986
MALAYSIA Signature 01-Jul-1968
MALAYSIA Ratification 05-Mar-1970
MAURITIUS Ratification 14-Apr-1969
MEXICO Signature 26-Jul-1968
MEXICO Statement 26-Jul-1968
MEXICO Ratification 21-Jan-1969
MONTENEGRO Succession 12-Dec-2006 03-Jun-2006
MOROCCO Signature 01-Jul-1968
MOROCCO Ratification 30-Nov-1970
MOZAMBIQUE Accession 20-Sep-1990
NAMIBIA Accession 02-Oct-1992
NAURU Accession 07-Jun-1982
NEPAL Signature 01-Jul-1968
NEPAL Ratification 03-Feb-1970
NETHERLANDS THE Signature 20-Aug-1968
NETHERLANDS THE Ratification 02-May-1975
NEW ZEALAND Signature 01-Jul-1968
NEW ZEALAND Ratification 10-Sep-1969
NICARAGUA Signature 01-Jul-1968
NIGERIA Signature 01-Jul-1968
NIGERIA Ratification 27-Sep-1968
NORWAY Signature 01-Jul-1968
NORWAY Ratification 05-Feb-1969
PAPUA NEW GUINEA Accession 13-Jan-1982
PARAGUAY Ratification 05-Mar-1970
PHILIPPINES Ratification 16-Oct-1972
POLAND Signature 01-Jul-1968
POLAND Ratification 12-Jun-1969
PORTUGAL Accession 15-Dec-1977
QATAR Accession 03-Apr-1989
ROMANIA Signature 01-Jul-1968
ROMANIA Ratification 04-Feb-1970
RWANDA Accession 20-May-1975
SAINT LUCIA Succession 28-Dec-1979
SAN MARINO Signature 29-Jul-1968
SAN MARINO Ratification 10-Aug-1970
SENEGAL Signature 26-Jul-1968
SENEGAL Ratification 15-Jan-1971
SERBIA Declaration 30-Jun-2006
SEYCHELLES Accession 12-Mar-1985
SIERRA LEONE Accession 26-Feb-1975
SINGAPORE Signature 05-Feb-1970
SINGAPORE Ratification 10-Mar-1976
Sint Maarten Extension 10-Oct-2010
SLOVAK REPUBLIC Succession 17-Apr-1993 01-Jan-1993
SLOVENIA Succession 07-Apr-1992
Solomon Islands Ratification 27-Nov-1968
SOLOMON ISLANDS Succession 17-Jun-1981 07-Jul-1978
SOVIET UNION Signature 01-Jul-1968 01-Jan-1900
SOVIET UNION Ratification 05-Mar-1970 01-Jan-1900
SPAIN Accession 05-Nov-1987
SRI LANKA Signature 01-Jul-1968 01-Jan-1900
SRI LANKA Ratification 05-Mar-1979 01-Jan-1900
St Christopher, Nevis and Anguilla Ratification 27-Nov-1968
St Lucia Ratification 27-Nov-1968
ST VINCENT AND THE GRENADINES Succession 06-Nov-1984 27-Oct-1979
SUDAN Ratification 10-Dec-1973
Suriname Extension 02-May-1975
SWAZILAND Signature 24-Jun-1969
SWAZILAND Ratification 11-Dec-1969
SWEDEN Signature 19-Aug-1968
SWEDEN Ratification 09-Jan-1970
SWITZERLAND Signature 27-Nov-1969
SWITZERLAND Reservation 27-Nov-1969
SWITZERLAND Declaration 27-Nov-1969
SWITZERLAND Ratification 09-Mar-1977
SWITZERLAND Declaration 09-Mar-1977
TANZANIA Accession 31-May-1991
THAILAND Accession 07-Dec-1972
TIMOR-LESTE Accession 05-May-2003 01-Jan-1900
Tonga Extension 27-Nov-1968
TONGA Succession 07-Jul-1971
TRINIDAD AND TOBAGO Signature 22-Aug-1968
TRINIDAD AND TOBAGO Ratification 30-Oct-1986
TUNISIA Signature 01-Jul-1968
TUNISIA Ratification 26-Feb-1970
TURKEY Signature 28-Jan-1969
TURKEY Ratification 17-Apr-1980
TURKEY Declaration 17-Apr-1980
TUVALU Succession 19-Jan-1979
UKRAINE Accession 05-Dec-1994
UKRAINE Notification 05-Dec-1994 05-Dec-1994
UNITED KINGDOM Signature 01-Jul-1968
UNITED KINGDOM Ratification 27-Nov-1968
UNITED KINGDOM Declaration 27-Nov-1968
UNITED KINGDOM Notification 19-Jun-1997 01-Jul-1997
UNITED STATES OF AMERICA Signature 01-Jul-1968
UNITED STATES OF AMERICA Ratification 05-Mar-1970
UNITED STATES OF AMERICA Communication 21-Apr-2015
VANUATU Accession 24-Aug-1995
VENEZUELA Ratification 25-Sep-1975
WESTERN SAMOA Accession 26-Mar-1975
YEMEN ARAB REPUBLIC Ratification 14-May-1986 14-May-1986
YUGOSLAVIA Signature 10-Jul-1968
YUGOSLAVIA Ratification 05-Mar-1970
YUGOSLAVIA, FEDERAL REPUBLIC OF Succession 10-Oct-2001 27-Apr-1992
ZAIRE Signature 17-Sep-1968
ZAMBIA Accession 22-May-1991 14-May-1991
ZIMBABWE Accession 26-Sep-1991

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