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Treaty on the Non-Proliferation of Nuclear Weapons (London Version) (July 1, 1968)

Countries/Territories Entry into force Ratification * Simple signature Withdrawal
Afghanistan Mar 5, 1970 Mar 5, 1970 [1] Jul 1, 1968 -
Albania Sep 12, 1990 Sep 12, 1990 [2] - -
Algeria Jan 12, 1995 Jan 12, 1995 [2] - -
Andorra Jun 7, 1996 Jun 7, 1996 [2] - -
Antigua and Barbuda Jun 17, 1985 Jun 17, 1985 [4] - -
Argentina Feb 17, 1995 Feb 17, 1995 [2] - -
Australia Jan 23, 1973 Jan 23, 1973 [1] Feb 27, 1970 Aug 29, 1985
Austria Mar 5, 1970 Jun 27, 1969 [1] Jul 1, 1968 -
Belgium May 2, 1995 May 2, 1995 [1] Aug 20, 1968 -
Bangladesh Aug 31, 1979 Aug 31, 1979 [2] - -
Bahamas Jul 16, 1976 Aug 11, 1976 [4] - -
Belarus Jul 23, 1993 Jul 23, 1993 [2] - -
Belize Sep 21, 1981 Aug 9, 1985 [4] - -
Botswana Mar 5, 1970 Apr 28, 1968 [1] - -
Brazil Sep 18, 1998 Sep 18, 1998 [2] - -
Brunei Darussalam Mar 5, 1970 Nov 27, 1968 [1] - -
Bulgaria Mar 5, 1970 Nov 3, 1969 [1] Jul 1, 1968 -
Canada Mar 5, 1970 Jul 23, 1968 [1] Jul 23, 1968 -
Chad Mar 23, 1971 Mar 23, 1971 [1] - -
China Mar 9, 1992 Mar 9, 1992 [2] - -
Colombia Apr 30, 1986 Apr 30, 1986 [2] - -
Cyprus Mar 5, 1970 Mar 5, 1970 [1] Jul 1, 1968 -
Czech Republic Jan 1, 1993 Apr 5, 1993 [4] - -
Denmark Mar 5, 1970 Jan 3, 1969 [1] Jul 1, 1968 -
Dominica Nov 3, 1978 Aug 10, 1984 [4] - -
Egypt Feb 26, 1981 Feb 26, 1981 [1] Jul 1, 1968 -
Estonia Jan 7, 1992 Jan 7, 1992 [2] - -
Ethiopia Mar 5, 1970 Mar 5, 1970 [1] Sep 5, 1968 -
Fiji Jul 14, 1972 Aug 14, 1972 [4] - -
Finland Mar 5, 1970 Feb 5, 1969 [1] Jul 1, 1968 -
France Aug 3, 1992 Aug 3, 1992 [2] - -
Gambia - - Sep 4, 1968 -
United Kingdom Mar 5, 1970 Nov 27, 1968 [1] Jul 1, 1968 -
Germany May 2, 1975 May 2, 1975 [1] Nov 28, 1969 -
Ghana May 4, 1970 May 4, 1970 [1] Jul 24, 1968 -
Grenada Sep 2, 1975 Sep 2, 1975 [4] - -
Holy See Feb 25, 1971 Feb 25, 1971 [2] - -
Hungary Mar 5, 1970 May 27, 1969 [1] Jul 1, 1968 -
Iceland Mar 5, 1970 Jul 18, 1968 [1] Jul 1, 1968 -
Indonesia Jul 12, 1979 Jul 12, 1979 [1] Mar 2, 1970 -
Iran, Islamic Republic of Mar 5, 1970 Mar 5, 1970 [1] Jul 1, 1968 -
Ireland Mar 5, 1970 Jul 4, 1968 [1] Jul 4, 1968 -
Italy May 2, 1975 May 2, 1975 [1] Jan 28, 1969 -
Jamaica Mar 5, 1970 Mar 5, 1970 [1] Apr 14, 1969 -
Japan Jun 8, 1976 Jun 8, 1976 [1] Feb 3, 1970 -
Kazakhstan Mar 21, 1994 Mar 21, 1994 [2] - -
Kiribati Apr 18, 1985 Apr 18, 1985 [4] - -
Kuwait - - Aug 22, 1968 -
Lao, People's Dem. Rep. Mar 5, 1970 Mar 5, 1970 [1] Jul 1, 1968 -
Latvia Jan 31, 1992 Jan 31, 1992 [2] - -
Lebanon Jul 15, 1970 Jul 15, 1970 [1] Jul 1, 1968 -
Libya May 26, 1975 May 26, 1975 [1] Jul 18, 1968 -
Liechtenstein Apr 20, 1978 Apr 20, 1978 [2] - -
Lithuania Sep 23, 1991 Sep 23, 1991 [2] - -
Luxembourg May 2, 1975 May 2, 1975 [1] Aug 14, 1968 -
Malaysia Nov 17, 1991 Mar 30, 1995 [4] - -
Mauritius Mar 5, 1970 Mar 5, 1970 [1] Jul 1, 1968 -
Mexico Mar 5, 1970 Apr 14, 1969 [1] - -
Malawi Mar 5, 1970 Jan 21, 1969 [1] Jul 26, 1968 -
Morocco Feb 18, 1986 Feb 18, 1986 [2] - -
Mozambique Nov 30, 1970 Nov 30, 1970 [1] Jul 1, 1968 -
Namibia Sep 20, 1990 Sep 20, 1990 [2] - -
Nauru Oct 2, 1992 Oct 2, 1992 [2] - -
Nepal Jun 17, 1982 Jun 7, 1982 [2] - -
Netherlands Mar 5, 1970 Feb 3, 1970 [1] Jul 1, 1968 -
Nicaragua May 2, 1975 May 2, 1975 [1] Aug 20, 1968 -
Nigeria - - Jul 1, 1968 -
Norway Mar 5, 1970 Sep 27, 1968 [1] Jul 1, 1968 -
New Zealand Mar 5, 1970 Feb 5, 1969 [1] Jul 1, 1968 -
Paraguay Mar 5, 1970 Sep 10, 1969 [1] Jul 1, 1968 -
Philippines Mar 5, 1970 Mar 5, 1970 [1] - -
Papua New Guinea Oct 16, 1972 Oct 16, 1972 [1] - -
Poland Jan 13, 1982 Jan 13, 1982 [2] - -
Portugal Mar 5, 1970 Jun 12, 1969 [1] Jul 1, 1968 -
Qatar Dec 15, 1971 Dec 15, 1977 [2] - -
Romania Apr 3, 1989 Apr 3, 1989 [2] - -
Rwanda Mar 5, 1970 Feb 4, 1970 [1] Jul 1, 1968 -
Senegal May 20, 1975 May 20, 1975 [2] - -
Seychelles Jan 15, 1971 Jan 15, 1971 [1] Jul 26, 1968 -
Sierra Leone Mar 12, 1985 Mar 12, 1985 [2] - -
Singapore Feb 26, 1975 Feb 26, 1975 [2] - -
Slovakia Mar 10, 1976 Mar 10, 1976 [1] Feb 5, 1970 -
Slovenia Jan 1, 1993 Apr 17, 1993 [4] - -
San Marino Apr 7, 1992 Apr 7, 1992 [4] - -
Solomon Islands Aug 10, 1970 Aug 10, 1970 [1] Jul 29, 1968 -
Somalia Jul 7, 1978 Jun 17, 1981 [4] - -
Spain Mar 5, 1970 Mar 5, 1970 [1] Jul 1, 1968 -
Sri Lanka Nov 5, 1987 Nov 5, 1987 [2] - -
Saint Lucia Mar 5, 1979 Mar 5, 1979 [1] Jul 1, 1968 -
Sudan Dec 28, 1979 Dec 28, 1979 [4] - -
Sweden Dec 10, 1973 Dec 10, 1973 [1] - -
Switzerland Mar 5, 1970 Dec 11, 1969 [1] Jun 24, 1969 -
Tanzania, Un. Rep. of Mar 5, 1970 Jan 9, 1970 [1] Aug 19, 1968 -
Thailand Mar 9, 1977 Mar 9, 1977 [1] Nov 27, 1969 -
Timor-Leste May 31, 1991 May 31, 1991 [2] - -
Tonga Dec 7, 1972 Dec 7, 1972 [2] - -
Trinidad and Tobago Mar 5, 2003 Mar 5, 2003 [2] - -
Tunisia Jul 7, 1971 Jul 7, 1971 [4] - -
Tuvalu Oct 30, 1986 Oct 30, 1986 [1] Aug 22, 1968 -
Ukraine Mar 5, 1970 Feb 26, 1970 [1] Jul 1, 1968 -
United States of America Jan 19, 1979 Jan 19, 1979 [4] - -
Vanuatu Dec 5, 1994 Dec 5, 1994 [2] - -
Venezuela, Boliv. Rep. of Mar 5, 1970 Mar 5, 1970 [1] Jul 1, 1968 -
Yemen Aug 24, 1995 Aug 24, 1995 [2] - -
Zambia Sep 25, 1975 Sep 25, 1975 [1] - -
Zimbabwe May 14, 1986 May 14, 1986 [1] - -
Montenegro May 14, 1991 May 22, 1991 [2] - -
Czechoslovakia Sep 26, 1991 Sep 26, 1991 [2] - -
former USSR/Soviet Union Jun 3, 2006 Dec 12, 2006 [4] - -
Saint Vincent and the Grenadines Mar 5, 1970 Jul 22, 1969 [1] Jul 1, 1968 -
Saint Kitts and Nevis Mar 5, 1970 Mar 5, 1970 [1] Jul 1, 1968 -
Turkey Oct 27, 1979 Nov 6, 1984 [4] - -
Yugoslavia Mar 5, 1970 Nov 27, 1968 [1] - -
Samoa Apr 17, 1980 Apr 17, 1980 [1] Jan 28, 1969 -
Congo, Dem. Rep. of Mar 5, 1970 Mar 5, 1970 [1] Jul 10, 1968 -
Palestinian Authority Mar 26, 1975 Mar 26, 1975 [2] - -
Eswatini, Kingdom of - - Sep 17, 1968 -
North Macedonia Feb 12, 2015 Feb 12, 2015 [2] - -

* [1] Ratification [2] Accession/approbation [3] Acceptance/approval [4] Succession [5] Consent to be bound [6] Definite signature