List of parties to the Treaty on the Non-Proliferation of Nuclear Weapons

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Participation in the Nuclear Non-Proliferation Treaty
  Signed and ratified
  Acceded or succeeded
  Unrecognized state, abiding by treaty
  Withdrawn
  Non-signatory

The list of parties to the Nuclear Non-Proliferation Treaty encompasses the states who have signed and ratified or acceded to the international agreement limiting the spread of nuclear weapons.

On 1 July 1968, the Nuclear Non-Proliferation Treaty (NPT) was opened for signature. Russia (a successor to the Soviet Union), the United Kingdom, and the United States are the three depositary states; states wishing to become parties to the NPT must deposit their instruments of ratification or accession with one of these three states. The treaty came into force and closed for signature on 5 March 1970 with the deposit of ratification of the three depositary states and 40 others. Since then, states that did not sign the treaty can now only accede to it. The instrument of ratification, accession, or succession is deposited at the respective capitals of the depositary states: Moscow, London, and Washington, D.C. China and France later acceded to the treaty in 1992.

Date NPT first effective (including USSR, YU, CS of that time)
     1st decade: ratified or acceded 1968-1977
     2nd decade: ratified or acceded 1978-1987
     3rd decade: ratified or acceded 1988-1998 (and Cuba 2002)
     Never signed (India, Israel, Pakistan, South Sudan)

As of July 2011, 189 states are recognized as parties to the treaty. Montenegro is the most recent state to have joined, submitting its instrument of accession on 3 June 2006.[1] In addition, the Republic of China (Taiwan), which is currently only recognized by 22 UN member states, ratified the treaty prior to the United Nations General Assembly's vote to transfer China's seat to the People's Republic of China (PRC) in 1971; Taiwan has accepted comprehensive IAEA safeguards and the measures of the Additional Protocol to verify that its nuclear program is entirely peaceful.[2] North Korea was a party to the treaty but announced its withdrawal on 10 January 2003; its withdrawal became effective ninety days later.[1] However, there is disagreement among the parties to the treaty whether North Korea's withdrawal was in conformity with the terms of the treaty.[3] Four UN member states have never signed the treaty: India, Israel, Pakistan and South Sudan. The NPT remains the most widely subscribed to arms control treaty in history.[4]

Contents

Ratified or acceded states [edit]

Multiple dates indicate the different days in which states submitted their signature or deposition, varied by location. This location is noted by: (L) for London, (M) for Moscow, and (W) for Washington D.C.[5]

State Signed Deposited Method
 Afghanistan 01968-07-011 Jul 1968 (L, M, W) 01970-02-044 Feb 1970 (W)
01970-02-055 Feb 1970 (M)
01970-03-055 Mar 1970 (L)		 Ratification
 Albania 01990-09-1212 Sep 1990 (L)
01990-09-1414 Sep 1990 (M)
01990-09-2828 Sep 1990 (W)		 Accession
 Algeria 01995-01-1212 Jan 1995 (L, M, W) Accession
 Andorra 01996-06-077 Jun 1996 (L)
01996-06-2525 Jun 1996 (W)
01996-07-022 Jul 1996 (M)		 Accession
 Angola 01996-10-1414 Oct 1996 (W)
02010-04-3030 Apr 2010 (M)		 Accession
 Antigua and Barbuda 01985-06-1717 Jun 1985 (L) Succession from  United Kingdom
 Argentina 01995-02-1010 Feb 1995 (W)
01995-02-1717 Feb 1995 (L)		 Accession
 Armenia 01993-06-2121 Jun 1993 (M)
01993-07-1515 Jul 1993 (W)		 Accession
 Australia 01970-02-2727 Feb 1970 (L, M, W) 01973-01-2323 Jan 1973 (L, M, W) Ratification
 Austria 01968-07-011 Jul 1968 (L, M, W) 01969-06-2727 Jun 1969 (L, W)
01969-06-2828 Jun 1969 (M)		 Ratification
 Azerbaijan 01992-09-2222 Sep 1992 (M) Accession
 Bahamas 01976-08-1111 Aug 1976 (L)
01976-08-1313 Aug 1976 (W)
01976-08-3030 Aug 1976 (M)		 Succession from  United Kingdom
 Bahrain 01988-11-033 Nov 1988 (W) Accession
 Bangladesh 01979-08-3131 Aug 1979 (L, M)
01979-09-2727 Sep 1979 (W)		 Accession
 Barbados 01968-07-011 Jul 1968 (W) 01980-02-2121 Feb 1980 (W) Ratification
 Belarus 01993-02-099 Feb 1993 (M)
01993-07-2222 Jul 1993 (W)
01993-07-2323 Jul 1993 (L)		 Accession
 Belgium 01968-08-2020 Aug 1968 (L, M, W) 01975-05-022 May 1975 (L, W)
01975-05-044 May 1975 (M)		 Ratification
 Belize 01985-08-099 Aug 1985 (L) Succession from  United Kingdom
 Benin 01968-07-011 Jul 1968 (W) 01972-10-3131 Oct 1972 (W) Ratification
 Bhutan 01985-05-2323 May 1985 (W) Accession
 Bolivia 01968-07-011 Jul 1968 (W) 01970-05-2626 May 1970 (W) Ratification
 Bosnia and Herzegovina 01994-08-1515 Aug 1994 (W) Succession from  SFR Yugoslavia
 Botswana 01968-07-011 Jul 1968 (W) 01969-04-2828 Apr 1969 (L) Ratification
 Brazil 01998-09-1818 Sep 1998 (L, M, W) Accession
 Brunei 01985-03-2626 Mar 1985 (W) Accession
 Bulgaria 01968-07-011 Jul 1968 (L, M, W) 01969-09-055 Sep 1969 (W)
01969-09-1818 Sep 1969 (M)
01969-11-033 Nov 1969 (L)		 Ratification
 Burkina Faso 01968-11-2525 Nov 1968 (W)
01969-08-1111 Aug 1969 (M)		 01970-03-033 Mar 1970 (W) Ratification
 Burundi 01971-03-1919 Mar 1971 (M) Accession
 Cambodia 01972-06-022 Jun 1972 (W)
01987-09-2525 Sep 1987 (M)		 Accession
 Cameroon 01968-07-1717 Jul 1968 (W)
01968-07-1818 Jul 1968 (M)		 01969-01-088 Jan 1969 (W) Ratification
 Canada 01968-07-2323 Jul 1968 (L, W)
01968-07-2929 Jul 1968 (M)		 01969-01-088 Jan 1969 (L, M, W) Ratification
 Cape Verde 01979-10-2424 Oct 1979 (M) Accession
 Central African Republic 01970-10-2525 Oct 1970 (W) Accession
 Chad 01968-07-011 Jul 1968 (M) 01971-03-1010 Mar 1971 (W)
01971-03-1111 Mar 1971 (M)
01971-03-2323 Mar 1971 (L)		 Ratification
 Chile 01995-05-2525 May 1995 (W) Accession
 China 01992-03-099 Mar 1992 (L)
01992-03-1212 Mar 1992 (M)
01992-03-1717 Mar 1992 (W)		 Accession
 Colombia 01968-07-011 Jul 1968 (W) 01986-04-088 Apr 1986 (W)
01986-04-2929 Apr 1986 (M)
01986-04-3030 Apr 1986 (L)		 Ratification
 Comoros 01995-10-044 Oct 1995 (W) Accession
 Congo 01968-07-2626 Jul 1968 (M) 01978-10-2323 Oct 1978 (W) Ratification
 Costa Rica 01968-07-011 Jul 1968 (W) 01970-03-033 Mar 1970 (W) Ratification
 Côte d'Ivoire 01968-07-011 Jul 1968 (W) 01973-03-066 Mar 1973 (W) Ratification
 Croatia 01992-06-2929 Jun 1992 (W) Succession from  SFR Yugoslavia
 Cuba 02002-11-044 Nov 2002 (M) Accession
 Cyprus 01968-07-011 Jul 1968 (L, M, W) 01970-02-1010 Feb 1970 (M)
01970-02-1616 Feb 1970 (W)
01970-03-055 Mar 1970 (L)		 Ratification
 Czech Republic 01993-01-011 Jan 1993 (M, W)
01993-04-055 Apr 1993 (L)		 Succession from  Czechoslovakia
Signed 1 July 1968
Deposited 22 July 1969
 Democratic Republic of the Congo 01968-07-2222 Jul 1968 (W)
01968-09-1717 Sep 1968 (L)		 01970-08-044 Aug 1970 (W) Ratification as  Zaire
 Denmark 01968-07-011 Jul 1968 (L, M, W) 01969-01-033 Jan 1969 (L, M, W) Ratification
 Djibouti 01996-10-1616 Oct 1996 (W) Accession
 Dominica 01984-08-1010 Aug 1984 (L) Succession from  United Kingdom
 Dominican Republic 01968-07-011 Jul 1968 (W) 01971-07-2424 Jul 1971 (W) Ratification
 Ecuador 01968-07-099 Jul 1968 (W) 01969-03-077 Mar 1969 (W) Ratification
 Egypt 01968-07-011 Jul 1968 (L, M) 01981-02-2626 Feb 1981 (L) Ratification
 El Salvador 01968-07-011 Jul 1968 (W) 01972-07-1111 Jul 1972 (W) Ratification
 Equatorial Guinea 01984-11-011 Nov 1984 (W) Accession
 Eritrea 01995-03-1616 Mar 1995 (W) Accession
 Estonia 01992-01-077 Jan 1992 (L)
01992-01-3131 Jan 1992 (W)		 Accession
 Ethiopia 01968-09-055 Sep 1968 (L, M, W) 01970-02-055 Feb 1970 (M)
01970-03-055 Mar 1970 (L, W)		 Ratification
 Fiji 01972-07-2121 Jul 1972 (W)
01972-08-1414 Aug 1972 (L)
01972-08-2929 Aug 1972 (M)		 Succession from  United Kingdom
 Finland 01968-07-011 Jul 1968 (L, M, W) 01969-02-055 Feb 1969 (L, M, W) Ratification
 France 01992-08-022 Aug 1992 (M)
01992-08-033 Aug 1992 (L, W)		 Accession
 Gabon 01974-02-1919 Feb 1974 (W) Accession
 Gambia 01968-09-044 Sep 1968 (L)
01968-09-2020 Sep 1968 (W)
01968-09-2424 Sep 1968 (M)		 01975-05-1212 May 1975 (W) Ratification
 Georgia 01994-03-077 Mar 1994 (W) Accession
 Germany 01969-11-2828 Nov 1969 (L, M, W) 01975-05-022 May 1975 (L, W) Ratification as  West Germany
Also  East Germany
Ratified 31 October 1969
 Ghana 01968-07-011 Jul 1968 (M, W)
01968-07-2424 Jul 1968 (L)		 01970-05-044 May 1970 (L)
01970-05-055 May 1970 (W)
01970-05-1111 May 1970 (M)		 Ratification
 Greece 01968-07-011 Jul 1968 (M, W) 01970-03-1111 Mar 1970 (W) Ratification
 Grenada 01975-09-022 Sep 1975 (L)
01975-12-033 Dec 1975 (W)		 Succession from  United Kingdom
 Guatemala 01968-07-2626 Jul 1968 (W) 01970-09-2222 Sep 1970 (W) Ratification
 Guinea 01985-04-2929 Apr 1985 (M) Accession
 Guinea-Bissau 01976-08-2020 Aug 1976 (M) Accession
 Guyana 01993-10-1919 Oct 1993 (W) Accession
 Haiti 01968-07-011 Jul 1968 (W) 01970-06-022 Jun 1970 (W) Ratification
 Holy See 01971-02-2525 Feb 1971 (L, M, W) Accession
 Honduras 01968-07-011 Jul 1968 (W) 01973-05-1616 May 1973 (W) Ratification
 Hungary 01968-07-011 Jul 1968 (L, M, W) 01969-05-2727 May 1969 (L, M, W) Ratification
 Iceland 01968-07-011 Jul 1968 (L, M, W) 01969-07-1818 Jul 1969 (L, M, W) Ratification
 Indonesia 01970-03-022 Mar 1970 (L, M, W) 01979-07-1212 Jul 1979 (L, M, W) Ratification
 Iran 01968-07-011 Jul 1968 (L, M, W) 01970-02-022 Feb 1970 (W)
01970-02-1010 Feb 1970 (M)
01970-03-055 Mar 1970 (L)		 Ratification
 Iraq 01968-07-011 Jul 1968 (M) 01969-10-2929 Oct 1969 (M) Ratification
 Ireland 01968-07-011 Jul 1968 (M, W)
01968-07-044 Jul 1968 (L)		 01968-07-011 Jul 1968 (W)
01968-07-022 Jul 1968 (M)
01968-07-044 Jul 1968 (L)		 Ratification
 Italy 01969-01-2828 Jan 1969 (L, M, W) 01975-05-022 May 1975 (L, W)
01975-05-044 May 1975 (M)		 Ratification
 Jamaica 01969-04-1414 Apr 1969 (L, M, W) 01970-03-055 Mar 1970 (L, M, W) Ratification
 Japan 01970-02-033 Feb 1970 (L, M, W) 01976-06-088 Jun 1976 (L, M, W) Ratification
 Jordan 01968-07-1010 Jul 1968 (W) 01970-02-1111 Feb 1970 (W) Ratification
 Kazakhstan 01994-02-1414 Feb 1994 (W)
01994-03-2121 Mar 1994 (L)
01994-05-2020 May 1994 (M)		 Accession
 Kenya 01968-07-011 Jul 1968 (W) 01970-06-1111 Jun 1970 (M) Ratification
 Kiribati 01985-04-1818 Apr 1985 (L) Succession from  United Kingdom
 Kuwait 01968-08-1515 Aug 1968 (M, W)
01968-08-2222 Aug 1968 (L)		 01989-11-1717 Nov 1989 (W) Ratification
 Kyrgyzstan 01994-07-055 Jul 1994 (M) Accession
 Laos 01968-07-011 Jul 1968 (L, M, W) 01970-02-2020 Feb 1970 (M)
01970-03-055 Mar 1970 (L, W)		 Ratification
 Latvia 01992-01-3131 Jan 1992 (L) Accession
 Lebanon 01968-07-011 Jul 1968 (L, M, W) 01970-07-1515 Jul 1970 (L, M)
01970-11-2020 Nov 1970 (W)		 Ratification
 Lesotho 01968-07-099 Jul 1968 (W) 01970-05-2020 May 1970 (W) Ratification
 Liberia 01968-07-011 Jul 1968 (W) 01970-03-055 Mar 1970 (W) Ratification
 Libya 01968-07-1818 Jul 1968 (L)
01968-07-1919 Jul 1968 (W)
01968-07-2323 Jul 1968 (M)		 01975-05-2626 May 1975 (L, M, W) Ratification
 Liechtenstein 01978-04-2020 Apr 1978 (L, M, W) Accession
 Lithuania 01991-09-2323 Sep 1991 (L, W) Accession
 Luxembourg 01968-08-1414 Aug 1968 (L, M, W) 01975-05-022 May 1975 (L, W)
01975-05-044 May 1975 (M)		 Ratification
 Macedonia 01995-03-3030 Mar 1995 (L)
01995-04-1212 Apr 1995 (W)		 Succession from  SFR Yugoslavia
 Madagascar 01968-08-2222 Aug 1968 (W) 01970-10-088 Oct 1970 (W) Ratification
 Malawi 01986-02-1818 Feb 1986 (L)
01986-02-1919 Feb 1986 (W)
01986-03-044 Mar 1986 (M)		 Accession
 Malaysia 01968-07-011 Jul 1968 (L, M, W) 01970-03-055 Mar 1970 (L, M, W) Ratification
 Maldives 01968-09-1111 Sep 1968 (W) 01970-04-077 Apr 1970 (W) Ratification
 Mali 01969-07-1414 Jul 1969 (W)
01969-07-1515 Jul 1969 (M)		 01970-02-1010 Feb 1970 (M)
01970-03-055 Mar 1970 (W)		 Ratification
 Malta 01969-04-1717 Apr 1969 (W) 01970-02-066 Feb 1970 (W) Ratification
 Marshall Islands 01995-01-3030 Jan 1995 (W) Accession
 Mauritania 01993-10-2626 Oct 1993 (W) Accession
 Mauritius 01968-07-011 Jul 1968 (W) 01969-04-088 Apr 1969 (W)
01969-04-1414 Apr 1969 (L)
01969-04-2525 Apr 1969 (M)		 Ratification
 Mexico 01968-07-2626 Jul 1968 (L, M, W) 01969-01-2121 Jan 1969 (L, M, W) Ratification
 Federated States of Micronesia 01995-04-1414 Apr 1995 (W) Accession
 Moldova 01994-10-1111 Oct 1994 (W) Accession
 Monaco 01995-03-1313 Mar 1995 (W) Accession
 Mongolia 01968-07-011 Jul 1968 (M) 01969-05-1414 May 1969 (M) Ratification
 Montenegro 02006-06-033 Jun 2006 (M)
02006-12-1212 Dec 2006 (L)		 Succession from  Serbia and Montenegro
 Morocco 01968-07-011 Jul 1968 (L, M, W) 01970-11-2727 Nov 1970 (M)
01970-11-3030 Nov 1970 (L)
01970-12-1616 Dec 1970 (W)		 Ratification
 Mozambique 01990-09-044 Sep 1990 (M)
01990-09-1212 Sep 1990 (W)
01990-09-2020 Sep 1990 (L)		 Accession
 Myanmar 01992-12-022 Dec 1992 (W) Accession
 Namibia 01992-10-022 Oct 1992 (L)
01992-10-077 Oct 1992 (W)
01992-10-099 Oct 1992 (M)		 Accession
 Nauru 01982-06-077 Jun 1982 (L) Accession
 Nepal 01968-07-011 Jul 1968 (L, M, W) 01970-01-055 Jan 1970 (W)
01970-01-099 Jan 1970 (M)
01970-02-033 Feb 1970 (L)		 Ratification
Netherlands Netherlands 01968-08-2020 Aug 1968 (L, M, W) 01975-05-022 May 1975 (L, M, W) Ratification
 New Zealand 01968-07-011 Jul 1968 (L, M, W) 01969-09-1010 Sep 1969 (L, M, W) Ratification
 Nicaragua 01968-07-011 Jul 1968 (L, W) 01973-03-066 Mar 1973 (W) Ratification
 Niger 01992-10-099 Oct 1992 (W) Accession
 Nigeria 01968-07-011 Jul 1968 (L, M, W) 01968-09-2727 Sep 1968 (L)
01968-10-077 Oct 1968 (W)
01968-10-1414 Oct 1968 (M)		 Ratification
 Norway 01968-07-011 Jul 1968 (L, M, W) 01969-02-055 Feb 1969 (L, M, W) Ratification
 Oman 01997-01-2323 Jan 1997 (W) Accession
 Palau 01995-04-1414 Apr 1995 (W) Accession
 Panama 01968-07-011 Jul 1968 (W) 01977-01-1313 Jan 1977 (W) Ratification
 Papua New Guinea 01982-01-1313 Jan 1982 (L)
01982-01-2525 Jan 1982 (W)
01982-02-1616 Feb 1982 (M)		 Accession
 Paraguay 01968-07-011 Jul 1968 (W) 01970-02-044 Feb 1970 (W)
01970-03-055 Mar 1970 (L)		 Ratification
 Peru 01968-07-011 Jul 1968 (W) 01970-03-033 Mar 1970 (W) Ratification
 Philippines 01968-07-011 Jul 1968 (W)
01968-07-1818 Jul 1968 (M)		 01972-10-055 Oct 1972 (W)
01972-10-1616 Oct 1972 (L)
01972-10-2020 Oct 1972 (M)		 Ratification
 Poland 01968-07-011 Jul 1968 (L, M, W) 01969-06-1212 Jun 1969 (L, M, W) Ratification
 Portugal 01977-12-1515 Dec 1977 (L, M, W) Accession
 Qatar 01989-04-033 Apr 1989 (L)
01989-05-1010 May 1989 (M)
01989-06-1313 Jun 1989 (W)		 Accession
 Republic of Korea 01968-07-011 Jul 1968 (W) 01975-04-2323 Apr 1975 (W) Ratification
 Romania 01968-07-011 Jul 1968 (L, M, W) 01970-02-044 Feb 1970 (L, M, W) Ratification
 Russia 01968-07-011 Jul 1968 (L, M, W) 01970-03-055 Mar 1970 (L, M, W) Ratification as  Soviet Union
 Rwanda 01975-05-2020 May 1975 (L, M, W) Accession
 Saint Kitts and Nevis 01993-03-2222 Mar 1993 (W) Accession
 Saint Lucia 01979-12-2828 Dec 1979 (L) Succession from  United Kingdom
 Saint Vincent and the Grenadines 01984-11-066 Nov 1984 (L) Succession from  United Kingdom
 Samoa 01975-03-1717 Mar 1975 (M)
01975-03-1818 Mar 1975 (W)
01975-03-2626 Mar 1975 (L)		 Accession
 San Marino 01968-07-011 Jul 1968 (W)
01968-07-2929 Jul 1968 (L)
01968-11-2121 Nov 1968 (M)		 01970-08-1010 Aug 1970 (L)
01970-08-2020 Aug 1970 (M)
01970-08-3131 Aug 1970 (W)		 Ratification
 Sao Tome and Principe 01983-07-2020 Jul 1983 (M) Accession
 Saudi Arabia 01988-10-033 Oct 1988 (W) Accession
 Senegal 01968-07-011 Jul 1968 (M, W)
01968-07-2626 Jul 1968 (L)		 01970-12-1717 Dec 1970 (M)
01970-12-2222 Dec 1970 (W)
01971-01-1515 Jan 1971 (L)		 Ratification
 Serbia 01992-04-2727 Apr 1992 (M)
02001-09-055 Sep 2001 (W)
02006-06-033 Jun 2006 (L)		 Succession from  SFR Yugoslavia
Signed 10 July 1968 (L, M, W)
Deposited 4 March 1970 (W), 5 March 1970 (L, M)[6]
Succession from  Serbia and Montenegro
 Seychelles 01985-03-1212 Mar 1985 (L)
01985-03-1414 Mar 1985 (M)
01985-04-088 Apr 1985 (W)		 Accession
 Sierra Leone 01975-02-2626 Feb 1975 (L, M, W) Accession
 Singapore 01970-02-055 Feb 1970 (L, M, W) 01976-03-1010 Mar 1976 (L, M, W) Ratification
 Slovakia 01993-01-011 Jan 1993 (M, W)
01993-04-1717 Apr 1993 (L)		 Succession from  Czechoslovakia
Signed 1 July 1968
Deposited 22 July 1969
 Slovenia 01992-04-077 Apr 1992 (L)
01992-08-2020 Aug 1992 (W)		 Succession from  SFR Yugoslavia
 Solomon Islands 01981-06-1717 Jun 1981 (L) Succession from  United Kingdom
 Somalia 01968-07-011 Jul 1968 (L, M, W) 01970-03-055 Mar 1970 (L)
01970-11-1212 Nov 1970 (W)		 Ratification
 South Africa 01991-07-1010 Jul 1991 (W) Accession
 Spain 01987-11-055 Nov 1987 (L, M, W) Accession
 Sri Lanka 01968-07-011 Jul 1968 (L, M, W) 01979-03-055 Mar 1979 (L, M, W) Ratification
 Sudan 01968-12-2424 Dec 1968 (M) 01973-10-3131 Oct 1973 (W)
01973-11-2222 Nov 1973 (M)
01973-12-1010 Dec 1973 (L)		 Ratification
 Suriname 01976-06-3030 Jun 1976 (W) Succession from  Netherlands
 Swaziland 01969-06-2424 Jun 1969 (L) 01969-12-1111 Dec 1969 (L)
01969-12-1616 Dec 1969 (W)
01970-01-1212 Jan 1970 (M)		 Ratification
 Sweden 01968-08-1919 Aug 1968 (L, M, W) 01970-01-099 Jan 1970 (L, M, W) Ratification
 Switzerland 01969-11-2727 Nov 1969 (L, M, W) 01977-03-099 Mar 1977 (L, M, W) Ratification
 Syria 01968-07-011 Jul 1968 (M) 01969-09-2424 Sep 1969 (M) Ratification
 Tajikistan 01995-01-1717 Jan 1995 (M) Accession
 Tanzania 01991-05-3131 May 1991 (L)
01991-06-077 Jun 1991 (W)
01991-06-1818 Jun 1991 (M)		 Accession
 Thailand 01972-12-077 Dec 1972 (L) Accession
 Timor-Leste 02003-05-055 May 2003 (W) Accession
 Togo 01968-07-011 Jul 1968 (W) 01970-02-2727 Feb 1970 (W) Ratification
 Tonga 01971-07-077 Jul 1971 (L)
01971-07-1515 Jul 1971 (W)
01971-08-2424 Aug 1971 (M)		 Succession from  United Kingdom
 Trinidad and Tobago 01968-08-2020 Aug 1968 (W)
01968-08-2222 Aug 1968 (L)		 01986-10-3030 Oct 1986 (L, W) Ratification
 Tunisia 01968-07-011 Jul 1968 (L, M, W) 01970-02-2626 Feb 1970 (L, M, W) Ratification
 Turkey 01969-01-2828 Jan 1969 (L, M, W) 01980-04-1717 Apr 1980 (L, M, W) Ratification
 Turkmenistan 01994-09-2929 Sep 1994 (W) Accession
 Tuvalu 01979-01-1919 Jan 1979 (L) Succession from  United Kingdom
 Uganda 01982-10-2020 Oct 1982 (W) Accession
 Ukraine 01994-12-055 Dec 1994 (L, M, W) Accession
 United Arab Emirates 01995-09-2626 Sep 1995 (W) Accession
 United Kingdom 01968-07-011 Jul 1968 (L, M, W) 01968-11-2727 Nov 1968 (L, W)
01968-11-2929 Nov 1968 (M)		 Ratification
 United States 01968-07-011 Jul 1968 (L, M, W) 01970-03-055 Mar 1970 (L, M, W) Ratification
 Uruguay 01968-07-011 Jul 1968 (W) 01970-08-3131 Aug 1970 (W) Ratification
 Uzbekistan 01992-05-077 May 1992 (M) Accession
 Vanuatu 01995-08-2424 Aug 1995 (L) Accession
 Venezuela 01968-07-011 Jul 1968 (W) 01975-09-2525 Sep 1975 (L)
01975-09-2626 Sep 1975 (W)
01975-10-033 Oct 1975 (M)		 Ratification
 Vietnam 01982-06-1414 Jun 1982 (M) Accession
 Yemen 01968-09-2323 Sep 1968 (M) 01986-05-1414 May 1986 (L)
01989-01-2626 Jan 1989(M)		 Ratification as  North Yemen (L)
and  South Yemen (M)
 Zambia 01991-05-1515 May 1991 (W)
01991-05-2222 May 1991 (L)
01991-07-055 Jul 1991 (M)		 Accession
 Zimbabwe 01991-09-2626 Sep 1991 (L, M)
01991-10-044 Oct 1991 (W)		 Accession

Unrecognized state, abiding by treaty [edit]

The Republic of China (Taiwan), which is currently only recognized by 22 UN member states, ratified the treaty prior to the United Nations General Assembly's vote to transfer China's seat to the People's Republic of China (PRC) in 1971. When the PRC subsequently ratified the treaty, they described the Republic of China's (ROC) ratification as "illegal". The ROC has committed itself to continue to adhere to the requirements of the treaty, and the United States has declared that they still consider them to be "bound by its obligations".[7]

State Signed Deposited Method
 Republic of China 01968-07-011 Jul 1968 01970-01-2727 Jan 1970 Ratification

Withdrawn state [edit]

North Korea was a party to the treaty but announced its withdrawal on 10 January 2003; its withdrawal became effective ninety days later.[1] However, there is disagreement among the parties to the treaty whether North Korea's withdrawal was in conformity with the terms of the treaty.[3]

State Deposited Method Withdrew Effective
 North Korea 01985-12-1212 Dec 1985 (M) Accession 02003-01-1010 Jan 2003 02003-04-1010 Apr 2003[8]

Non-signatory states [edit]

State
 India
 Israel
 Pakistan
 South Sudan

References [edit]

  1. ^ a b c "Nuclear Non-Proliferation Treaty (NPT)". Defense Treaty Inspection Readiness Program - United States Department of Defense. Retrieved 2010-04-08. [dead link]
  2. ^ "Safeguards Statement for 2011". IAEA. Retrieved 6 March 2013. 
  3. ^ a b "Democratic People's Republic of Korea: Accession to Treaty on the Non-Proliferation of Nuclear Weapons (NPT)". United Nations Office for Disarmament Affairs. Retrieved 2013-03-01. 
  4. ^ Jean du Preez and William Potter. "North Korea's Withdrawal From the NPT: A Reality Check". James Martin Center for Nonproliferation Studies (CNS) Information & Analysis. Retrieved 2008-07-26. 
  5. ^ "Treaty on the Non-Proliferation of Nuclear Weapons". United Nations Office for Disarmament Affairs. Retrieved 2013-02-28. 
  6. ^ "Serbia: Succession to Treaty on the Non-Proliferation of Nuclear Weapons (NPT)". United Nations Office for Disarmament Affairs. Retrieved 2013-03-02. 
  7. ^ "China: Accession to Treaty on the Non-Proliferation of Nuclear Weapons (NPT)". United Nations Office for Disarmament Affairs. Retrieved 2013-03-03. 
  8. ^ Devon Chaffee (2003-04-10). "North Korea’s Withdrawal from Nonproliferation Treaty Official". Retrieved 2008-07-26. 
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