Canada

1925 Geneva Protocol
Signature (Paris)
17 June 1925
Deposit of instruments of ratification (Paris)
06 May 1930
Antarctic Treaty
Deposit of instruments of accession (Washington)
04 May 1988
Anti-Personnel Mine Ban Convention
Deposit of instruments of ratification (UN)
03 December 1997
Signature (UN)
03 December 1997
Arms Trade Treaty
Deposit of instruments of accession (UN)
19 June 2019
Biological Weapons Convention
Signature (London)
10 April 1972
Signature (Moscow)
10 April 1972
Signature (Washington)
10 April 1972
Deposit of instruments of ratification (London)
18 September 1972
Deposit of instruments of ratification (Moscow)
18 September 1972
Deposit of instruments of ratification (Washington)
18 September 1972
Chemical Weapons Convention
Signature (UN)
13 January 1993
Deposit of instruments of ratification (UN)
26 September 1995
Comprehensive Nuclear-Test-Ban Treaty
Signature (UN)
24 September 1996
Deposit of instruments of ratification (UN)
18 December 1998
Convention on Certain Conventional Weapons
Signature (UN)
10 April 1981
Deposit of instruments of ratification (UN)
24 June 1994
24 June 1994
24 June 1994
24 June 1994
05 January 1998
Content to be bound to Protocol IV on Blinding Laser Weapons (UN)
05 January 1998
22 July 2002
Content to be bound to Protocol V on Explosive Remnants of War (UN)
19 May 2009
Convention on Cluster Munitions
Signature (UN)
03 December 2008
Deposit of instruments of ratification (UN)
16 March 2015
Convention on Environmental Modification Techniques (ENMOD)
Signature (UN)
18 May 1977
Deposit of instruments of ratification (UN)
11 June 1981
Inter-American Convention on Firearms
Signature (OAS)
14 November 1997
Inter-American Convention on Transparency
Signature (OAS)
07 June 1999
Deposit of instruments of ratification (OAS)
18 October 1999
International Convention for the Suppression of Acts of Nuclear Terrorism
Signature (UN)
14 September 2005
Deposit of instruments of ratification (UN)
21 November 2013
Outer Space Treaty
Signature (London)
27 January 1967
Signature (Moscow)
27 January 1967
Signature (Washington)
27 January 1967
Deposit of instruments of ratification (London)
10 October 1967
Deposit of instruments of ratification (Moscow)
10 October 1967
Deposit of instruments of ratification (Washington)
10 October 1967
Partial Test Ban Treaty
Signature (London)
08 August 1963
Signature (Moscow)
08 August 1963
Signature (Washington)
08 August 1963
Deposit of instruments of ratification (London)
28 January 1964
Deposit of instruments of ratification (Moscow)
28 January 1964
Deposit of instruments of ratification (Washington)
28 January 1964
Sea-bed Treaty
Signature (London)
11 February 1971
Signature (Moscow)
11 February 1971
Signature (Washington)
11 February 1971
Deposit of instruments of ratification (London)
17 May 1972
Deposit of instruments of ratification (Moscow)
17 May 1972
Deposit of instruments of ratification (Washington)
17 May 1972
Treaty on Conventional Armed Forces in Europe (CFE)
Signature (The Hague)
19 November 1990
Deposit of instruments of ratification (The Hague)
22 November 1991
Signature (The Hague)
19 November 1999
Treaty on Open Skies
Signature (Ottawa)
24 March 1992
Signature (Budapest)
24 March 1992
Deposit of instruments of ratification (Ottawa)
21 July 1992
Deposit of instruments of ratification (Budapest)
21 July 1992
Treaty on the Non-Proliferation of Nuclear Weapons (NPT)
Signature (London)
23 July 1968
Signature (Washington)
23 July 1968
Signature (Moscow)
29 July 1968
Deposit of instruments of ratification (London)
08 January 1969
Deposit of instruments of ratification (Moscow)
08 January 1969
Deposit of instruments of ratification (Washington)
08 January 1969
For treaties where the Secretary-General of the United Nations is not the depository, the records in this database rely on information provided to the United Nations by the depository States of those treaties. Some resources listed and/or hyperlinked on this page may be from individuals, organisations and entities other than the United Nations and are provided for information purposes only. The hyperlinking of outside resources is not an endorsement by the United Nations of the views expressed therein nor does the United Nations have control over the content or accuracy of information provided. No editorial comment is implied by the omission of a resource or website.