Treaty on the Non-Proliferation of Nuclear Weapons
New York, 12 June 1968
  • Introductory Note
  • Procedural History
  • Documents
  • Status
  • Video
  • Photo
F o r t h c o m i n g
Introductory note to be published

The Treaty on the Non-Proliferation of Nuclear Weapons (“NPT”) aims to avert the danger of nuclear war through the prevention of the wider dissemination of nuclear weapons and other measures. The NPT was opened for signature on 1 July 1968 and entered into force on 5 March 1970.

The issue of the prevention of the wider dissemination of nuclear weapons was included on the agenda of the fourteenth session of the General Assembly in 1959, as part of the framework of deliberations on disarmament. From 1959 to 1967, the General Assembly adopted several resolutions calling on the Conference of the Eighteen Nation Disarmament Committee (“ENDC”), established by the Union of Soviet Socialist Republics (“USSR”) and the United States of America (“USA”), to give priority to the negotiation of an international instrument to prevent the proliferation of nuclear weapons. On 11 March 1968, the USSR and the USA submitted a joint draft treaty on the non-proliferation of nuclear weapons to the ENDC that was subsequently submitted to the General Assembly. On 12 June 1968, the General Assembly adopted resolution 2373 (XXII), by which it commended the Treaty on the Non-Proliferation of Nuclear Weapons and requested that it be opened for signature and ratification at the earliest possible date. Twenty-five years after its entry into force, at the 1995 Review and Extension Conference, States parties to the NPT unanimously agreed that the NPT should continue in force indefinitely.

The NPT contains out 11 articles that apply to both nuclear-weapon States parties and non-nuclear weapon States parties regarding, inter alia, the obligation to prevent the spread of nuclear weapons and weapons technology, to promote cooperation in the peaceful uses of nuclear energy and to further the goal of achieving nuclear disarmament and general and complete disarmament.


العربيةPDF in Arabic 中文PDF in Chinese English English FrançaisPDF in French РусскийPDF in Russuan EspañolPDF in Spanish

While the issue of the prevention of the spread of nuclear weapons had arisen in the general discussions on disarmament since the early days of the United Nations, it was not until 17 October 1958, during the thirteenth session of the General Assembly, when Ireland introduced a draft resolution in the First Committee of the Assembly, that nuclear non-proliferation emerged as a distinct topic (A/C.1/SR.953). The draft resolution, adopted by the First Committee on 31 October 1958 would have established an ad hoc committee to study the dangers inherent in the further dissemination of nuclear weapons (A/C.1/L.206). The General Assembly did not adopt any resolution on the issue during its thirteenth session. However, pursuant to a request by Ireland (A/4125), the General Assembly included on the agenda of its fourteenth session the item “Prevention of the wider dissemination of nuclear weapons”. At its fourteenth session, in 1959, following the recommendation of the First Committee (A/4286), to which the item had been allocated, the General Assembly adopted resolution 1380 (XIV) on 20 November 1959. By this resolution, the General Assembly suggested that the Ten-Nation Disarmament Committee (TNDC), a body operating outside the United Nations system established by France, the Union of Soviet Socialist Republics (USSR), the United Kingdom (UK) and the United States of America (USA) and further comprising Bulgaria, Canada, Czechoslovakia, Italy, Poland and Romania, consider appropriate means to avert the danger of an increase in the number of States possessing nuclear weapons, including “the feasibility of an international agreement, subject to inspection and control, whereby the Powers producing nuclear weapons would refrain from handing over the control of such weapons to any nation not possessing them and whereby the Powers not possessing such weapons would refrain from manufacturing them”. The TNDC met between 15 March and 28 June 1960 in Geneva, but did not consider the issue of nuclear non-proliferation.

The General Assembly reiterated its call for a permanent agreement on the prevention of the wider dissemination of nuclear weapons at its fifteenth and sixteenth sessions, in resolution 1576 (XV) of 20 December 1960 and resolution 1665 (XVI) of 4 December 1961. At the sixteenth session, under the title “Question of disarmament”, the General Assembly further adopted resolution 1664 (XVI) of 4 December 1961, by which it requested the Secretary-General to make an inquiry into the conditions under which countries not possessing nuclear weapons would be willing to enter into specific undertakings to refrain from manufacturing or otherwise acquiring such weapons and to refuse to receive nuclear weapons in their territories on behalf of any other country. Having sought the views of Member States on this question, the Secretary-General transmitted on 2 April 1962 his report on the inquiry (DC/201 and Add.1-3) to the Chairman of the United Nations Disarmament Commission, a body comprising all Members of the United Nations that had been created by General Assembly resolution 502 (VI) of 11 January 1952.

By General Assembly resolution 1722 (XVI) of 20 December 1961, the General Assembly endorsed the establishment by the USA and the USSR of the Eighteen Nation Disarmament Committee (ENDC), the successor of the TNDC, to negotiate “general and complete disarmament under effective international control”. The ENDC consisted of the ten original TNDC members and eight additional countries, namely Brazil, Burma, Ethiopia, India, Mexico, Nigeria, Sweden and the United Arab Republic (the “non-aligned” States). From 14 March 1962 to 26 August 1969, the ENDC met regularly in Geneva. On 15 March and 18 April 1962, the USSR and the USA, respectively, presented draft treaties on general and complete disarmament, both of which included provisions on the prevention of the further spread of nuclear weapons (ENDC/2 and ENDC/30 and Corr.1). In 1962 and 1963, the ENDC and the General Assembly continued to discuss the prevention of the dissemination of nuclear weapons in the context of the debates on general and complete disarmament. Pursuant to a request by India on 10 October 1964 (A/5758), the General Assembly included the item “Non-proliferation of nuclear weapons” on the agenda of its nineteenth session, in 1964, but did not consider the issue at that session.

By a letter addressed to the Secretary-General dated 31 March 1965, the USSR requested a meeting of the United Nations Disarmament Commission, which subsequently convened from 21 April to 16 June 1965 (DC/210). At its 102nd meeting on 15 June 1965, the Disarmament Commission adopted a resolution by which it, inter alia, recommended the ENDC to reconvene as early as possible and to “accord special priority to the consideration of the question of a treaty or convention to prevent the proliferation of nuclear weapons” (DC/225). During the subsequent Conference of the ENDC, held between 27 July and 16 September 1965, the USA introduced a draft treaty to prevent the spread of nuclear weapons. (ENDC/152, 17 August 1965), the first treaty proposal solely dedicated to nuclear non-proliferation. At the same Conference, Italy proposed a draft unilateral declaration of non-acquisition of nuclear weapons, on 14 September (ENDC/157), and on 15 September 1965 the eight non-aligned States submitted a joint memorandum on non-proliferation of nuclear weapons (ENDC/158). On 24 September of the same year, the USSR submitted a draft treaty on the non-proliferation of nuclear weapons to the twentieth session of the General Assembly (A/5976).

In 1965, during the twentieth session of the General Assembly, the First Committee of the Assembly devoted considerable attention to the issue. Both the USSR and the USA submitted draft resolutions (A/C.1/L.337 and A/C.1/L.338), but the First Committee adopted a proposal submitted by the eight non-aligned ENDC members (A/C.1/L.339), which was subsequently adopted by the General Assembly in resolution 2028 (XX) of 19 November 1965. The resolution called upon the Conference of the ENDC to give urgent consideration to the question of non-proliferation of nuclear weapons and, to that end, to reconvene as early as possible with a view to negotiating an international treaty to prevent the proliferation of nuclear weapons.

During the meetings of the Conference of the ENDC held between 27 January to 10 May and 14 June to 25 August 1966, the ENDC gave urgent consideration to the question of negotiating a treaty on non-proliferation of nuclear weapons. On 21 March 1966, the USA submitted to the ENDC amendments to its draft treaty of 17 August 1965 (ENDC/152/Add.1). During the same period, Canada submitted a tabular comparison of the USA draft treaty to prevent the spread of nuclear weapons and the USSR draft treaty on the non-proliferation of nuclear weapons (ENDC/175), the eight non-aligned States presented another joint memorandum on non-proliferation of nuclear weapons (ENDC/178), and Italy tabled a memorandum concerning the draft treaties of the USA and the USSR on non-proliferation (ENDC/179).

The General Assembly, during its twenty-first session, in 1966, adopted a number of resolutions relating to the question of the non-proliferation of nuclear weapons. Under the item “Renunciation by States of actions hampering the conclusion of an agreement on the non-proliferation of nuclear weapons”, included in the agenda on a request of the USSR by a letter dated 23 September 1966 (A/6398), the General Assembly adopted resolution 2149 (XXI) of 4 November 1966, by which it urgently appealed to all States to take all necessary steps to facilitate and achieve at the earliest possible time the conclusion of a treaty on the non-proliferation of nuclear weapons, and to refrain from any actions conducive to the proliferation of nuclear weapons or which might hamper the conclusion of such an agreement. On 17 November of the same year, the General Assembly adopted resolutions 2153 A and B (XXI), entitled “Non-proliferation of nuclear weapons”. Resolution 2153 A (XXI) called upon the ENDC to give high priority to an early conclusion of a nuclear non-proliferation treaty. By resolution 2153 B (XXI), the General Assembly decided to convene a conference of non-nuclear-weapon States to consider, inter alia, how non-nuclear Powers could co-operate among themselves in preventing the proliferation of nuclear weapons. It also requested the President of the General Assembly to set up a preparatory committee, composed of representatives of the non-nuclear-weapon States, to make appropriate arrangements for convening such a conference.

The Conference of the ENDC reconvened in Geneva from 21 February to 23 March and from 18 May to 14 December 1967, and gave primary attention to the negotiation of a treaty to prevent the proliferation of nuclear weapons (A/6951-DC/229). On 24 August 1967, identical but separate draft treaties were introduced by the USA (ENDC/192) and the USSR (ENDC/193). These discussions did not, however, result in the adoption of a final draft. During the General Assembly’s twenty-second session in 1967, the First Committee discussed the interim report of the ENDC (A/6951-DC/229) and the report of the Preparatory Committee for the Conference of Non-Nuclear-Weapon States. Based on its discussions, the First Committee recommended two resolutions to the General Assembly (A/7016), which were subsequently adopted as resolutions 2346 A and B (XXII). By resolution 2346 A (XXII) of 19 December 1967, the General Assembly called upon the ENDC to urgently continue its work towards preparing a draft international treaty to prevent the proliferation of nuclear weapons and to submit a full report to the General Assembly on the treaty negotiations with pertinent documents and records. On the same day, by resolution 2346 B (XXII), the Assembly approved the recommendations of the Preparatory Committee for the Conference of Non-Nuclear-Weapon States and decided to convene the Conference of Non-Nuclear-Weapon States in Geneva from 29 August to 28 September 1968. The Conference took place accordingly and by resolution 2456 (XXIII) of 20 December 1968, the General Assembly endorsed the Declaration of the Conference of Non-Nuclear-Weapon States and took note of the fourteen resolutions containing various recommendations adopted by the Conference.

On 18 January 1968, the Conference of the ENDC reconvened in Geneva and devoted its time exclusively to the negotiation of a treaty on the non-proliferation of nuclear weapons. As the Conference commenced, the USA and the USSR submitted identical revised drafts of the non-proliferation treaty, which had been first submitted to the ENDC on 24 August 1967 (ENDC/192/Rev.1 and ENDC/193/Rev.1, respectively). Further revisions were made during the subsequent negotiations. On 11 March 1968, the USA and the USSR submitted a joint draft treaty. This text, which was not explicitly adopted by the ENDC, became Annex I of the report of the Conference to the General Assembly and the Disarmament Commission (DC/230 and Add.1). The report also included, in Annex II, a draft resolution on security assurances to non-nuclear weapon States for consideration by the Security Council, as proposed by the USSR, the UK and the USA on 7 March 1968. The Security Council adopted this text on 19 June 1968 as resolution 255 (1968).

At its twenty-second session, in 1968, the General Assembly resumed its consideration on the agenda item “Non-proliferation of nuclear weapons: report of the Conference of the Eighteen-Nation Committee on Disarmament”. The First Committee considered the item between 26 April and 10 June 1968 and ultimately recommended to the General Assembly a draft resolution that contained the revised text of the 11 March draft treaty on the non-proliferation of nuclear weapons (A/7016/Add.1). On 12 June 1968, the General Assembly adopted resolution 2373 (XXII), in which it commended the Treaty on the Non-Proliferation of Nuclear Weapons, which was annexed to it, and requested the Depositary Governments (the USSR, the UK and the USA) to open the Treaty for signature and ratification at the earliest possible date.

On 1 July 1968, the Treaty on the Non-Proliferation of Nuclear Weapons was opened for signature in London, Moscow and Washington D.C. That day, the UK, the USSR, the USA and more than fifty other States signed the treaty. In accordance with its article IX, paragraph (3), the Treaty entered into force on 5 March 1970 after the Depositary Governments and forty other States had deposited their instruments of ratification.

In line with article VIII of the Treaty on the Non-Proliferation of Nuclear Weapons, five years after the entry into force of the treaty, a Conference of the Parties to the Treaty was held in Geneva, from 5 to 30 May 1975, in order to review the operation of the treaty. Subsequent Review Conferences have been held at intervals of five years since that meeting, in Geneva, from 11 August to 7 September 1980, from 27 August to 21 September 1985 and from 20 August to 14 September 1990, and in New York from 17 April to 12 May 1995, from 24 April to 19 May 2000, from 2 to 27 May 2005 and from 3 to 28 May 2010. At the 1995 Review and Extension Conference, the Parties to the Treaty agreed, by consensus, to extend indefinitely the Treaty’s duration, which had initially been set to 25 years by article X, paragraph (2).


Text of the Treaty

Selected preparatory documents
(in chronological order)

General Assembly resolution 502 (VI) of 11 January 1952 (Regulation, limitation and balanced reduction of all armed forces and all armaments; international control of atomic energy)

First Committee of the General Assembly, draft resolution, submitted by Ireland (A/C.1/L.206, 17 October 1958)

First Committee of the General Assembly, Summary records of meeting Nos. 953 to 970, held, respectively, on 17 to 31 October 1958 (A/C.1/SR.953-970)

Letter dated 15 June 1959 from the Permanent Representative of Ireland to the United Nations, addressed to the Secretary-General, requesting inclusion of the item “The prevention of the wider dissemination of nuclear weapons” on the provisional agenda of the fourteenth regular session (A/4125)

First Committee of the General Assembly, Summary records of meeting Nos. 1054 to 1056, held on 13 to 16 November 1959 (A/C.1/SR.1054-1056)

Report of the First Committee to the General Assembly, “Prevention of the wider dissemination of nuclear weapons” (A/4286, 18 November 1959)

General Assembly resolution 1380 (XIV) of 20 November 1959 (Prevention of the wider dissemination of nuclear weapons)

First Committee of the General Assembly, draft resolution on the prevention of the wider dissemination of nuclear weapons (A/C.1/L.253, Rev.1 and Add.1-3, 31 October and 1, 3, 7 and 16 November 1960)

First Committee of the General Assembly, Summary records of meeting Nos. 1085-1108, 1110, 1112, 1119-1120, 1134-1135, held, respectively, on 19 October to 14 November, 15 November, 17 November, 29 November, 1 and 19 December 1960 (A/C.1/SR.1085-1108, 1110, 1112, 1119-11120, 1134-1135)

General Assembly resolution 1576 (XV) of 20 December 1960 (Prevention of the wider dissemination of nuclear weapons)

First Committee of the General Assembly, draft resolution on the prevention of the wider dissemination of nuclear weapons (A/C.1/L.298 and Rev.1, 17 and 29 November 1961)

First Committee of the General Assembly, Summary records of meeting Nos. 1208 to 1209, held on 30 November 1961 (A/C.1/SR.1208-1209

General Assembly resolution 1664 (XVI) of 4 December 1961 (Question of disarmament)

General Assembly resolution 1665 (XVI) of 4 December 1961 (Prevention of the wider dissemination of nuclear weapons)

General Assembly resolution 1722 (XVI) of 20 December 1961 (Question of disarmament)

Draft treaty on general and complete disarmament under strict international control, submitted by the Union of Soviet Socialist Republics, Official Records of the Disarmament Commission, Supplement for January 1961 to December 1962, p. 115 (ENDC/2, 19 March 1962)

Letter from the Secretary-General to the Chairman of the Disarmament Commission, transmitting a report on the inquiry conducted in accordance with General Assembly resolution 1664 (XVI), Official Records of the Disarmament Commission, Supplement for January 1961 to December 1962, p. 51 (DC/201 and Add.1 to 3, 2 April 1962)

Outline of basic provisions of a treaty on general and complete disarmament in a peaceful world submitted by the United States of America, Official Records of the Disarmament Commission, Supplement for January 1961 to December 1962, p. 140 (ENDC/30 and Corr.1, 18 April 1962)

Letter dated 10 September 1962 from the Secretary-General to the Chairman of the Disarmament Commission, transmitting a supplementary report on the inquiry conducted in accordance with General Assembly resolution 1664 (XVI), Official Records of the Disarmament Commission, Supplement for January 1961 to December 1962, p. 207 (DC/204 and Add.l, 10 September 1962)

General Assembly resolution 1767 (XVII) of 21 November 1962 (Question of general and complete disarmament)

General Assembly resolution 1908 (XVIII) of 27 November 1963 (Question of general and complete disarmament)

Letter dated 10 October 1964 from the Permanent Representative of India to the United Nations, addressed to the Secretary-General,  requesting the inclusion of a supplementary item in the agenda of the nineteenth session (A/5758)

Letter dated 7 December 1964 from the Minister for Foreign Affairs of the Union of Soviet Socialist Republics to the President of the General Assembly, submitting a memorandum by the Soviet Government on measures for the further reduction of international tension and the limitation of the arms race (A/5827)

Letter dated 31 March 1965 from the representative of the Union of Soviet Socialist Republics to the Secretary-General, requesting a meeting of the Disarmament Commission, Official Records of the Disarmament Commission, Supplement for January to December 1965, p. 3 (DC/210, 31 March 1965)

Draft treaty on general and complete disarmament under strict international control, Official Records of the Disarmament Commission, Supplement for January to December 1965, p. 4 (DC/213/Add.1, 28 April 1965), submitted by the Union of Soviet Socialist Republics

Memorandum of the United States of America on measures to stop the spread of nuclear weapons, halt and turn down the arms race, and reduce international tension, Official Records of the Disarmament Commission, Supplement for January to December 1965, p. 15 (DC/214/Add.1, 29 April 1965)

Resolution adopted by the Disarmament Commission at its 102nd meeting, on 15 June 1965, Official Records of the Disarmament Commission, Supplement for January to December 1965, p. 38 (DC/225, 15 June 1965)

Draft treaty to prevent the spread of nuclear weapons, Official Records of the Disarmament Commission, Supplement for January to December 1965, p. 41 (ENDC/152, 17 August 1965), submitted by the United States of America

Draft unilateral declaration of non-acquisition of nuclear weapons, Official Records of the Disarmament Commission, Supplement for January to December 1965, p. 44 (ENDC/157, 14 September 1965)

Joint memorandum on non-proliferation of nuclear weapons, Official Records of the Disarmament Commission, Supplement for January to December 1965, p. 44 (ENDC/158, 15 September 1965)

Report of the Conference of the Eighteen-Nation Committee on Disarmament (27 July – 16 September 1965), Official Records of the Disarmament Commission, Supplement for January to December 1965, p. 40 (DC/227)

Letter dated 24 September 1965 from the Minister for Foreign Affairs of the Union of Soviet Socialist Republics, addressed to the President of the General Assembly, requesting the inclusion of an additional item in the agenda of the twentieth session (A/5976)

First Committee of the General Assembly, draft resolution on non-proliferation of nuclear weapons, submitted by the United States of America (A/C.1/L.337, 26 October 1965)

First Committee of the General Assembly, draft resolution on non-proliferation of nuclear weapons, submitted by the Union of Soviet Socialist Republics (A/C.1/L.338, 27 October 1965)

First Committee of the General Assembly, draft resolution on non-proliferation of nuclear weapons, submitted by the eight non-aligned members of the Eighteen-Nation Committee on Disarmament (A/C.1/L.339, 4 November 1965)

First Committee of the General Assembly, Summary records of meeting Nos. 1355 to 1373, held, respectively, on 18 October to 8 November 1965 (A/C.1/SR.1355-1373)

General Assembly resolution 2028 (XX) of 19 November 1965 (Non-proliferation of nuclear weapons)

Amendments to the United States draft treaty to prevent the spread of nuclear weapons, Official Records of the Disarmament Commission, Supplement for 1966, p. 11 (ENDC/152/Add.1, 21 March 1966)

Prevention of the spread of nuclear weapons – Tabular comparison of the United States draft treaty to prevent the spread of nuclear weapons and the USSR draft treaty on the non-proliferation of nuclear weapons, Official Records of the Disarmament Commission, Supplement for 1966, p. 13 (ENDC/175, 5 July 1966)

Joint memorandum on non-proliferation of nuclear weapons, Official Records of the Disarmament Commission, Supplement for 1966, p. 18 (ENDC/178, 19 August 1966)

Memorandum concerning the draft treaties of the United States and the Soviet Union on non-proliferation, Official Records of the Disarmament Commission, Supplement for 1966, p. 19 (ENDC/179, 20 August 1966)

Report of the Conference of the Eighteen-Nation Committee on Disarmament (27 January to 25 August 1966), Official Records of the Disarmament Commission, Supplement for 1966, p. 3 (DC/228)

Letter dated 23 September 1966 from the Minister for Foreign Affairs of the Union of Soviet Socialist Republics, addressed to the President of the General Assembly, requesting the inclusion of an additional item in the agenda of the twenty-first session (A/6398)

First Committee of the General Assembly, Verbatim records, meeting Nos. 1431 to 1450, held on 20 October to 10 November 1966 (A/C.1/SR.1431, 1432, 1433, 1434, 1435, 1436, 1437, 1438, 1439, 1440, 1441, 1442, 1443, 1444, 1445, 1446, 1447, 1448, 1449 and 1450)

General Assembly, Verbatim records of plenary meeting Nos. 1458, 1469, 1499 to 1500, held on 4 and 17 November and 5 and 19 to 20 December 1966 (A/PV.1458, 1469, 1499 and 1500)

General Assembly resolution 2149 (XXI) of 4 November 1966 (Renunciation by States of actions hampering the conclusion of an agreement on the non-proliferation of nuclear weapons)

General Assembly resolution 2153 (XXI) of 17 November 1966 (Non-proliferation of nuclear weapons)

General Assembly resolution 2162 (XXI) of 5 December 1966 (Question of general and complete disarmament)

Draft treaty on the non-proliferation of nuclear weapons, Official Records of the Disarmament Commission, Supplement for 1967 and 1968, p. 15 (ENDC/192, 24 August 1967), submitted by the United States of America

Draft treaty on the non-proliferation of nuclear weapons, Official Records of the Disarmament Commission, Supplement for 1967 and 1968, p. 18 (ENDC/193, 24 August 1967), submitted by the Union of Soviet Socialist Republics

Interim report of Conference of the Eighteen-Nation Committee on Disarmament  (A/6951-DC/229, 7 December 1967)

Report of the First Committee to the General Assembly, “Non-proliferation of nuclear weapons” (A/7016 and Add.1, 18 December 1967 and 10 June 1968)

First Committee of the General Assembly, Verbatim records, meeting Nos. 1552 to 1555, held on 15 to 18 December 1967 (A/C.1/PV.1552, 1553, 1554 and 1555)

General Assembly, Verbatim record of plenary meeting No. 1640, held on 19 December 1967 (A/PV.1640)

General Assembly Resolution 2346 (XXII) of 19 December 1967 (Non-proliferation of nuclear weapons)

Revised draft treaty on the non-proliferation of nuclear weapons, Official Records of the Disarmament Commission, Supplement for 1967 and 1968, p. 16 (ENDC/192/Rev.1, 18 January 1968), submitted by the United States of America

Revised draft treaty on the non-proliferation of nuclear weapons, Official Records of the Disarmament Commission, Supplement for 1967 and 1968, p. 19 (ENDC/193/Rev.1, 18 January 1968), submitted by the Union of Soviet Socialist Republics

Report of the Conference of the Eighteen-Nation Committee on Disarmament (18 January to 14 March 1968), Official Records of the Disarmament Commission, Supplement for 1967 and 1968, p. 1 (DC/230 and Add.1)

First Committee of the General Assembly, Verbatim records, meeting Nos. 1556 to 1582, held on 26 April to 10 June 1968 (A/C.1/PV.1556, 1557, 1558, 1559, 1560, 1561, 1562, 1563, 1564, 1565, 1566, 1567, 1568, 1569, 1570, 1571, 1572, 1573, 1574, 1575, 1576, 1577, 1578, 1579, 1580, 1581 and 1582)

General Assembly, Verbatim record of plenary meeting No. 1672, held on 12 June 1968 (A/PV.1672)

General Assembly resolution 2373 (XXII) of 12 June 1968 (Treaty on the Non-Proliferation of Nuclear Weapons)

Security Council resolution 255 (1968) of 19 June 1968

Final document of the Conference of Non-Nuclear-Weapon States (29 August to 28 September 1968) (A/CONF.35/10, 10 October 1968)

General Assembly resolution 2456 (XXIII) of 20 December 1968 (Conference of Non-Nuclear-Weapon States)

1995 Review and Extension Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons, Final Document: Part 1 Organization and work of the Conference (NPT/CONF.1995/32(PARTI), 12 May 1995)


The Treaty entered into force on 5 March 1970. For the current participation status of the Treaty, as well as information and relevant texts of related treaty actions, such as reservations, declarations, objections, denunciations and notifications, see:

Treaty on the Non-Proliferation of Nuclear Weapons

Statements
Security Council, 1430th meeting, United Nations Headquarters, New York, United States, 17 June 1968: Discussion on joint draft resolution S/8631 on the Treaty on the Non-Proliferation of Nuclear Weapons
Video (25 minutes, Full version)
Play
Play Statement by Mr. Goldberg (United States), President of the Security Council
Opening the meeting
Video (1 minute, English)
Play Statement by Mr. Kuznetsov (Union of Soviet Socialist Republics)
Video (9 minutes, Русский)
Play Statement by Lord Caradon (United Kingdom)
Video (7 minutes, English)
Play Statement by Mr. Goldberg (United States), President of the Security Council, in his capacity as representative of United States
Video (7 minutes, English)
Security Council, 1431st meeting, United Nations Headquarters, New York, United States, 18 June 1968: Discussion on joint draft resolution S/8631 on the Treaty on the Non-Proliferation of Nuclear Weapons
Video (14 minutes, Full version)
Play
Play Statement by Mr. Ignatieff (Canada)
Video (4 minutes, English)
Play Statement by Mr. Borch (Denmark)
Video (3 minutes, English)
Play Statement by Mr. Solano Lopez (Paraguay)
Video (2 minutes, Español)
Play Statement by Mr. Csatorday (Hungary)
Video (2 minutes, English)
Play Statement by Mr. Boye (Senegal)
Video (2 minutes, Français)
Security Council, 1433rd meeting, United Nations Headquarters, New York, United States, 19 June 1968: Discussion on joint draft resolution S/8631 on the Treaty on the Non-Proliferation of Nuclear Weapons
Video (9 minutes, Full version)
Play
Play Statement by Mr. Bouattoura (Algeria)
Video (3 minutes, Français)
Play Statement by Mr. De Carvalho Silos (Brazil)
Video (1 minute, English)
Play Statement by Mr. Shahi (Pakistan)
Video (3 minutes, English)
Play Statement by Mr. Goldberg (United States), President of the Security Council. The joint draft resolution is put to the vote. A vote is taken by show of hand. The draft resolution is adopted as resolution 255 (1968) by 10 votes to non with 5 abstentions.
Video (3 minutes, English)
Statement by U Thant (Myanmar), Secretary-General of the United Nations: on the occasion of the entry into force of the Treaty on Non-Proliferation of Nuclear Weapons, United Nations Headquarters, New York, 5 March 1970
Video (28 seconds, English)
Play
Thirty-eighth session of the General Assembly, 97th plenary meeting, United Nations Headquarters, New York, United States, 15 December 1983: Adoption of draft resolutions on the implementation of the conclusions of the Second Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons and on a Nuclear-weapon freeze
Video (4 minutes, Full version)
Play
     
25 October 1965
First Committee, United Nations, New York. [Read more]
1 April 1974
First meeting of the Preparatory Committee for the Review Conference of the Parties to the NPT, United Nations, Geneva, Switzerland. [Read more]

1 April 1974
First meeting of the Preparatory Committee for the Review Conference of the Parties to the NPT, United Nations, Geneva, Switzerland [Read more]
1 April 1974
First meeting of the Preparatory Committee for the Review Conference of the Parties to the NPT, United Nations, Geneva, Switzerland. [Read more]
26 April 1995
Press Conference by President of Review and Extension Conference of the NPT, United Nations, New York. [Read more]

24 April 2000
Review Conference of Parties to the NPT, United Nations, New York. [Read more]
26 April 2004
Final Preparatory Session for the 2005 NPT Review Conference, United Nations, New York. [Read more]
26 April 2004
Final Preparatory Session for the 2005 NPT Review Conference, United Nations, New York. [Read more]
3 May 2004
Secretary-General meeting with Chairman-Designate of NPT PrepCom, United Nations, New York. [Read more]

2 May 2005
Secretary-General addressing opening of the NPT Review Conference, United Nations, New York. [Read more]
3 May 2010
2010 High-level Review Conference of the Parties to the NPT, United Nations, New York. [Read more]
3 May 2010
2010 High-level Review Conference of the Parties to the NPT, United Nations, New York. [Read more]
   
3 May 2010
2010 High-level Review Conference of the Parties to the NPT, United Nations, New York. [Read more]
3 May 2010
Opening of the 2010 Review Conference of the Parties to the NPT, United Nations, New York. [Read more]