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List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons

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

List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons
Participation in the Nuclear Non-Proliferation Treaty

On 1 July 1968, the Nuclear Non-Proliferation Treaty (NPT) was opened for signature. The three depositary states were the Soviet Union (and later its successor state Russia), the United Kingdom, the United States; states wishing to become a party to the NPT must deposit their instruments of ratification, accession or succession with at least one of the depositary governments. 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 may only accede to it.

List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons
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 since 1988
     Never signed (India, Israel, Pakistan, South Sudan)

The treaty recognizes five states as nuclear-weapon states: the United States, Russia, the United Kingdom, France, and China (also the five permanent members of the United Nations Security Council). China and France acceded to the treaty in 1992. Four other states are known or believed to possess nuclear weapons: India, Pakistan and North Korea have openly tested and declared that they possess nuclear weapons, while Israel has had a policy of opacity regarding its nuclear weapons program. India, Israel, and Pakistan have never signed the treaty, while North Korea was a party to the treaty but announced its withdrawal on 10 January 2003, which became effective ninety days later. However, there is disagreement among the parties to the treaty whether North Korea's withdrawal was in conformity with the terms of the treaty.

The NPT remains the most widely subscribed to nuclear arms control treaty in history. As of February 2015, 190 states are recognized as parties to the treaty, excluding North Korea which withdrew. The State of Palestine is the most recent state to have joined, having submitted its instrument of succession on 10 February 2015. In addition, the Republic of China (Taiwan), which is currently only recognized by 11 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 International Atomic Energy Agency (IAEA) safeguards and the measures of the Additional Protocol to verify that its nuclear program is entirely peaceful. Four UN member states have never signed the treaty: India, Israel, Pakistan, and South Sudan. The Cook Islands and Niue, two associated states of New Zealand which have had their "full treaty-making capacity" recognised by United Nations Secretariat, are not parties to the treaty but consider themselves bound by its provisions by virtue of their administration by New Zealand when the latter ratified the NPT.

Ratified or acceded states

189 UN member states as well as two observers, namely the Holy See and the State of Palestine, have become parties to the NPT. However, one of these states (North Korea) submitted a notice of withdrawal. See the section #Withdrawn state below for more details.

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.

Bolded states with a dagger (†) are recognized as nuclear weapons states by the treaty.

State Signed Deposited Method
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Afghanistan 1 Jul 1968 (L, M, W) 4 Feb 1970 (W)
5 Feb 1970 (M)
5 Mar 1970 (L) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Albania 12 Sep 1990 (L)
14 Sep 1990 (M)
28 Sep 1990 (W) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Algeria 12 Jan 1995 (L, M, W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Andorra 7 Jun 1996 (L)
25 Jun 1996 (W)
2 Jul 1996 (M) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Angola 14 Oct 1996 (W)
30 Apr 2010 (M) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Antigua and Barbuda 17 Jun 1985 (L) Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  United Kingdom
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Argentina 10 Feb 1995 (W)
17 Feb 1995 (L) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Armenia 21 Jun 1993 (M)
15 Jul 1993 (W) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Australia 27 Feb 1970 (L, M, W) 23 Jan 1973 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Austria 1 Jul 1968 (L, M, W) 27 Jun 1969 (L, W)
28 Jun 1969 (M) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Azerbaijan 22 Sep 1992 (M) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Bahamas 11 Aug 1976 (L)
13 Aug 1976 (W)
30 Aug 1976 (M) 		Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  United Kingdom
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Bahrain 3 Nov 1988 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Bangladesh 31 Aug 1979 (L, M)
27 Sep 1979 (W) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Barbados 1 Jul 1968 (W) 21 Feb 1980 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Belarus 9 Feb 1993 (M)
22 Jul 1993 (W)
23 Jul 1993 (L) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Belgium 20 Aug 1968 (L, M, W) 2 May 1975 (L, W)
4 May 1975 (M) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Belize 9 Aug 1985 (L) Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  United Kingdom
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Benin 1 Jul 1968 (W) 31 Oct 1972 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Bhutan 23 May 1985 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Bolivia 1 Jul 1968 (W) 26 May 1970 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Bosnia and Herzegovina 15 Aug 1994 (W) Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  SFR Yugoslavia
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Botswana 1 Jul 1968 (W) 28 Apr 1969 (L) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Brazil 18 Sep 1998 (L, M, W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Brunei 26 Mar 1985 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Bulgaria 1 Jul 1968 (L, M, W) 5 Sep 1969 (W)
18 Sep 1969 (M)
3 Nov 1969 (L) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Burkina Faso 25 Nov 1968 (W)
11 Aug 1969 (M) 		3 Mar 1970 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Burundi 19 Mar 1971 (M) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Cabo Verde 24 Oct 1979 (M) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Cambodia 2 Jun 1972 (W)
25 Sep 1987 (M) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Cameroon 17 Jul 1968 (W)
18 Jul 1968 (M) 		8 Jan 1969 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Canada 23 Jul 1968 (L, W)
29 Jul 1968 (M) 		8 Jan 1969 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Central African Republic 25 Oct 1970 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Chad 1 Jul 1968 (M) 10 Mar 1971 (W)
11 Mar 1971 (M)
23 Mar 1971 (L) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Chile 25 May 1995 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  China† 9 Mar 1992 (L)
12 Mar 1992 (M)
17 Mar 1992 (W) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Colombia 1 Jul 1968 (W) 8 Apr 1986 (W)
29 Apr 1986 (M)
30 Apr 1986 (L) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Comoros 4 Oct 1995 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Republic of the Congo 26 Jul 1968 (M) 23 Oct 1978 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Costa Rica 1 Jul 1968 (W) 3 Mar 1970 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Côte d'Ivoire 1 Jul 1968 (W) 6 Mar 1973 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Croatia 29 Jun 1992 (W) Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  SFR Yugoslavia
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Cuba 4 Nov 2002 (M) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Cyprus 1 Jul 1968 (L, M, W) 10 Feb 1970 (M)
16 Feb 1970 (W)
5 Mar 1970 (L) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Czech Republic 1 Jan 1993 (M, W)
5 Apr 1993 (L) 		Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Czechoslovakia
Signed 1 July 1968
Deposited 22 July 1969
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Democratic Republic of the Congo 22 Jul 1968 (W)
17 Sep 1968 (L) 		4 Aug 1970 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Denmark 1 Jul 1968 (L, M, W) 3 Jan 1969 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Djibouti 16 Oct 1996 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Dominica 10 Aug 1984 (L) Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  United Kingdom
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Dominican Republic 1 Jul 1968 (W) 24 Jul 1971 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Ecuador 9 Jul 1968 (W) 7 Mar 1969 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Egypt 1 Jul 1968 (L, M) 26 Feb 1981 (L) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  El Salvador 1 Jul 1968 (W) 11 Jul 1972 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Equatorial Guinea 1 Nov 1984 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Eritrea 16 Mar 1995 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Estonia 7 Jan 1992 (L)
31 Jan 1992 (W) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Ethiopia 5 Sep 1968 (L, M, W) 5 Feb 1970 (M)
5 Mar 1970 (L, W) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Fiji 21 Jul 1972 (W)
14 Aug 1972 (L)
29 Aug 1972 (M) 		Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  United Kingdom
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Finland 1 Jul 1968 (L, M, W) 5 Feb 1969 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  France† 2 Aug 1992 (M)
3 Aug 1992 (L, W) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Gabon 19 Feb 1974 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Gambia 4 Sep 1968 (L)
20 Sep 1968 (W)
24 Sep 1968 (M) 		12 May 1975 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Georgia 7 Mar 1994 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Germany 28 Nov 1969 (L, M, W) 2 May 1975 (L, W) Ratification as List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  West Germany
Also List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  East Germany
Ratified 31 October 1969
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Ghana 1 Jul 1968 (M, W)
24 Jul 1968 (L) 		4 May 1970 (L)
5 May 1970 (W)
11 May 1970 (M) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Greece 1 Jul 1968 (M, W) 11 Mar 1970 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Grenada 2 Sep 1975 (L)
3 Dec 1975 (W) 		Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  United Kingdom
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Guatemala 26 Jul 1968 (W) 22 Sep 1970 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Guinea 29 Apr 1985 (M) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Guinea-Bissau 20 Aug 1976 (M) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Guyana 19 Oct 1993 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Haiti 1 Jul 1968 (W) 2 Jun 1970 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Holy See 25 Feb 1971 (L, M, W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Honduras 1 Jul 1968 (W) 16 May 1973 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Hungary 1 Jul 1968 (L, M, W) 27 May 1969 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Iceland 1 Jul 1968 (L, M, W) 18 Jul 1969 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Indonesia 2 Mar 1970 (L, M, W) 12 Jul 1979 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Iran 1 Jul 1968 (L, M, W) 2 Feb 1970 (W)
10 Feb 1970 (M)
5 Mar 1970 (L) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Iraq 1 Jul 1968 (M) 29 Oct 1969 (M) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Ireland 1 Jul 1968 (M, W)
4 Jul 1968 (L) 		1 Jul 1968 (W)
2 Jul 1968 (M)
4 Jul 1968 (L) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Italy 28 Jan 1969 (L, M, W) 2 May 1975 (L, W)
4 May 1975 (M) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Jamaica 14 Apr 1969 (L, M, W) 5 Mar 1970 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Japan 3 Feb 1970 (L, M, W) 8 Jun 1976 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Jordan 10 Jul 1968 (W) 11 Feb 1970 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Kazakhstan 14 Feb 1994 (W)
21 Mar 1994 (L)
20 May 1994 (M) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Kenya 1 Jul 1968 (W) 11 Jun 1970 (M) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Kiribati 18 Apr 1985 (L) Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  United Kingdom
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Kuwait 15 Aug 1968 (M, W)
22 Aug 1968 (L) 		17 Nov 1989 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Kyrgyzstan 5 Jul 1994 (M) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Laos 1 Jul 1968 (L, M, W) 20 Feb 1970 (M)
5 Mar 1970 (L, W) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Latvia 31 Jan 1992 (L) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Lebanon 1 Jul 1968 (L, M, W) 15 Jul 1970 (L, M)
20 Nov 1970 (W) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Lesotho 9 Jul 1968 (W) 20 May 1970 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Liberia 1 Jul 1968 (W) 5 Mar 1970 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Libya 18 Jul 1968 (L)
19 Jul 1968 (W)
23 Jul 1968 (M) 		26 May 1975 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Liechtenstein 20 Apr 1978 (L, M, W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Lithuania 23 Sep 1991 (L, W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Luxembourg 14 Aug 1968 (L, M, W) 2 May 1975 (L, W)
4 May 1975 (M) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  North Macedonia 30 Mar 1995 (L)
12 Apr 1995 (W) 		Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  SFR Yugoslavia
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Madagascar 22 Aug 1968 (W) 8 Oct 1970 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Malawi 18 Feb 1986 (L)
19 Feb 1986 (W)
4 Mar 1986 (M) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Malaysia 1 Jul 1968 (L, M, W) 5 Mar 1970 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Maldives 11 Sep 1968 (W) 7 Apr 1970 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Mali 14 Jul 1969 (W)
15 Jul 1969 (M) 		10 Feb 1970 (M)
5 Mar 1970 (W) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Malta 17 Apr 1969 (W) 6 Feb 1970 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Marshall Islands 30 Jan 1995 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Mauritania 26 Oct 1993 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Mauritius 1 Jul 1968 (W) 8 Apr 1969 (W)
14 Apr 1969 (L)
25 Apr 1969 (M) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Mexico 26 Jul 1968 (L, M, W) 21 Jan 1969 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Federated States of Micronesia 14 Apr 1995 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Moldova 11 Oct 1994 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Monaco 13 Mar 1995 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Mongolia 1 Jul 1968 (M) 14 May 1969 (M) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Montenegro 3 Jun 2006 (M)
12 Dec 2006 (L) 		Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Serbia and Montenegro
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Morocco 1 Jul 1968 (L, M, W) 27 Nov 1970 (M)
30 Nov 1970 (L)
16 Dec 1970 (W) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Mozambique 4 Sep 1990 (M)
12 Sep 1990 (W)
20 Sep 1990 (L) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Myanmar 2 Dec 1992 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Namibia 2 Oct 1992 (L)
7 Oct 1992 (W)
9 Oct 1992 (M) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Nauru 7 Jun 1982 (L) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons    Nepal 1 Jul 1968 (L, M, W) 5 Jan 1970 (W)
9 Jan 1970 (M)
3 Feb 1970 (L) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Netherlands 20 Aug 1968 (L, M, W) 2 May 1975 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  New Zealand 1 Jul 1968 (L, M, W) 10 Sep 1969 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Nicaragua 1 Jul 1968 (L, W) 6 Mar 1973 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Niger 9 Oct 1992 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Nigeria 1 Jul 1968 (L, M, W) 27 Sep 1968 (L)
7 Oct 1968 (W)
14 Oct 1968 (M) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Norway 1 Jul 1968 (L, M, W) 5 Feb 1969 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Oman 23 Jan 1997 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Palau 14 Apr 1995 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Palestine 10 Feb 2015 (M)
12 Feb 2015 (L) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Panama 1 Jul 1968 (W) 13 Jan 1977 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Papua New Guinea 13 Jan 1982 (L)
25 Jan 1982 (W)
16 Feb 1982 (M) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Paraguay 1 Jul 1968 (W) 4 Feb 1970 (W)
5 Mar 1970 (L) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Peru 1 Jul 1968 (W) 3 Mar 1970 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Philippines 1 Jul 1968 (W)
18 Jul 1968 (M) 		5 Oct 1972 (W)
16 Oct 1972 (L)
20 Oct 1972 (M) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Poland 1 Jul 1968 (L, M, W) 12 Jun 1969 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Portugal 15 Dec 1977 (L, M, W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Qatar 3 Apr 1989 (L)
10 May 1989 (M)
13 Jun 1989 (W) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  South Korea 1 Jul 1968 (W) 23 Apr 1975 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Romania 1 Jul 1968 (L, M, W) 4 Feb 1970 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Russia† 1 Jul 1968 (L, M, W) 5 Mar 1970 (L, M, W) Ratification as List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Soviet Union
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Rwanda 20 May 1975 (L, M, W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Saint Kitts and Nevis 22 Mar 1993 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Saint Lucia 28 Dec 1979 (L) Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  United Kingdom
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Saint Vincent and the Grenadines 6 Nov 1984 (L) Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  United Kingdom
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Samoa 17 Mar 1975 (M)
18 Mar 1975 (W)
26 Mar 1975 (L) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  San Marino 1 Jul 1968 (W)
29 Jul 1968 (L)
21 Nov 1968 (M) 		10 Aug 1970 (L)
20 Aug 1970 (M)
31 Aug 1970 (W) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Sao Tome and Principe 20 Jul 1983 (M) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Saudi Arabia 3 Oct 1988 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Senegal 1 Jul 1968 (M, W)
26 Jul 1968 (L) 		17 Dec 1970 (M)
22 Dec 1970 (W)
15 Jan 1971 (L) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Serbia 27 Apr 1992 (M)
5 Sep 2001 (W)
3 Jun 2006 (L) 		Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  SFR Yugoslavia
Signed 10 July 1968 (L, M, W)
Deposited 4 March 1970 (W), 5 March 1970 (L, M)
Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Serbia and Montenegro
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Seychelles 12 Mar 1985 (L)
14 Mar 1985 (M)
8 Apr 1985 (W) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Sierra Leone 26 Feb 1975 (L, M, W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Singapore 5 Feb 1970 (L, M, W) 10 Mar 1976 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Slovakia 1 Jan 1993 (M, W)
17 Apr 1993 (L) 		Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Czechoslovakia
Signed 1 July 1968
Deposited 22 July 1969
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Slovenia 7 Apr 1992 (L)
20 Aug 1992 (W) 		Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  SFR Yugoslavia
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Solomon Islands 17 Jun 1981 (L) Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  United Kingdom
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Somalia 1 Jul 1968 (L, M, W) 5 Mar 1970 (L)
12 Nov 1970 (W) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  South Africa 10 Jul 1991 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Spain 5 Nov 1987 (L, M, W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Sri Lanka 1 Jul 1968 (L, M, W) 5 Mar 1979 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Sudan 24 Dec 1968 (M) 31 Oct 1973 (W)
22 Nov 1973 (M)
10 Dec 1973 (L) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Suriname 30 Jun 1976 (W) Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Netherlands
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Swaziland 24 Jun 1969 (L) 11 Dec 1969 (L)
16 Dec 1969 (W)
12 Jan 1970 (M) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Sweden 19 Aug 1968 (L, M, W) 9 Jan 1970 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons   Switzerland 27 Nov 1969 (L, M, W) 9 Mar 1977 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Syria 1 Jul 1968 (M) 24 Sep 1969 (M) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Tajikistan 17 Jan 1995 (M) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Tanzania 31 May 1991 (L)
7 Jun 1991 (W)
18 Jun 1991 (M) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Thailand 7 Dec 1972 (L) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Timor-Leste 5 May 2003 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Togo 1 Jul 1968 (W) 27 Feb 1970 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Tonga 7 Jul 1971 (L)
15 Jul 1971 (W)
24 Aug 1971 (M) 		Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  United Kingdom
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Trinidad and Tobago 20 Aug 1968 (W)
22 Aug 1968 (L) 		30 Oct 1986 (L, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Tunisia 1 Jul 1968 (L, M, W) 26 Feb 1970 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Turkey 28 Jan 1969 (L, M, W) 17 Apr 1980 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Turkmenistan 29 Sep 1994 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Tuvalu 19 Jan 1979 (L) Succession from List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  United Kingdom
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Uganda 20 Oct 1982 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Ukraine 5 Dec 1994 (L, M, W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  United Arab Emirates 26 Sep 1995 (W) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  United Kingdom† 1 Jul 1968 (L, M, W) 27 Nov 1968 (L, W)
29 Nov 1968 (M) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  United States† 1 Jul 1968 (L, M, W) 5 Mar 1970 (L, M, W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Uruguay 1 Jul 1968 (W) 31 Aug 1970 (W) Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Uzbekistan 7 May 1992 (M) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Vanuatu 24 Aug 1995 (L) Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Venezuela 1 Jul 1968 (W) 25 Sep 1975 (L)
26 Sep 1975 (W)
3 Oct 1975 (M) 		Ratification
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Vietnam 14 Jun 1982 (M) Accession as the List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Socialist Republic of Vietnam
Signed by the List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Republic of Vietnam on 1 July 1968,
and ratified on 10 September 1971, but following the victory
by the Democratic Republic of Vietnam in the Vietnam War,
the reunified Socialist Republic of Vietnam renounced all treaty actions
performed by the Republic of Vietnam.
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Yemen 23 Sep 1968 (M) 14 May 1986 (L)
26 Jan 1989 (M) 		Ratification as List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  North Yemen (L) and List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  South Yemen (M)
prior to Yemeni unification.
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Zambia 15 May 1991 (W)
22 May 1991 (L)
5 Jul 1991 (M) 		Accession
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Zimbabwe 26 Sep 1991 (L, M)
4 Oct 1991 (W) 		Accession

Partially recognized state abiding by treaty

The Republic of China (Taiwan), which is currently only recognized by 11 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 it still regards the authorities in Taiwan to be bound by the NPT's obligations.

State Signed Deposited Method
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  Republic of China 1 Jul 1968 (W) 27 Jan 1970 (W) Ratification

Withdrawn state

Article X.1 allows a state to leave the treaty if "extraordinary events, related to the subject matter of this Treaty, have jeopardized the supreme interests of its country", giving three months notice. The state is required to give reasons for leaving the NPT in this notice, and to provide this notice to other NPT Parties and to the UN Security Council. This Article does not provide for other states to question a state's interpretation of "supreme interests of its country".

North Korea acceded to the NPT in 1985. On 12 March 1993, after it was found in non-compliance with its safeguards agreement, North Korea gave notice to withdraw from the NPT. However, on 11 June 1993, one day before the withdrawal was to take effect, North Korea reached agreement with the United States to freeze its nuclear program under the Agreed Framework and "suspended" its withdrawal notice. In October 2002, the United States accused North Korea of violating the Agreed Framework by pursuing a secret uranium enrichment program, and suspended shipments of heavy fuel oil under that agreement. In response, North Korea expelled IAEA inspectors, disabled IAEA equipment and, on 10 January 2003, announced that it was ending the suspension of its previous NPT withdrawal notification. There is disagreement among the parties to the treaty whether North Korea's withdrawal was in conformity with the terms of the treaty. North Korea said that only one more day's notice was sufficient for withdrawal from the NPT, as it had given 89 days before. The IAEA Board of Governors rejected this interpretation. Most countries held that a new three-months withdrawal notice was required, and some[who?] questioned whether North Korea's notification met the "extraordinary events" and "supreme interests" requirements of the Treaty.[citation needed] The Joint Statement of 19 September 2005 at the end of the Fourth Round of the Six-Party Talks called for North Korea to "return" to the NPT, implicitly acknowledging that it had withdrawn. As of October, 2016, North Korea has conducted five announced nuclear tests between October 9, 2006, to September 9, 2016.

In 2020, Iran threatened to withdraw from the NPT if it is referred to the United Nations Security Council for alleged breaching the Joint Comprehensive Plan of Action.

State Deposited Method Withdrew Effective
List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons  North Korea 12 Dec 1985 (M) Accession 12 Mar 1993 (M) Suspended 11 June 1993
10 Jan 2003 10 Apr 2003

Other states

Four UN member states have never been a party to the treaty.

The Cook Islands and Niue, two associated states of New Zealand which have had their "full treaty-making capacity" recognised by United Nations Secretariat, are not parties to the treaty but consider themselves bound by its provisions by virtue of their administration by New Zealand when the latter ratified the NPT.

See also

References

Tags:

List Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons Ratified or acceded statesList Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons Partially recognized state abiding by treatyList Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons Withdrawn stateList Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons Other statesList Of Parties To The Treaty On The Non-Proliferation Of Nuclear Weapons

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