| Afghanistan |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 17 Apr 2018 (a) | | | 17 May 2018 | 17 Apr 2018 | | 1 |
| Albania |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 01 Oct 2003 (a) | | | 22 Jun 2006 | 01 Oct 2003 | | 2 |
| Algeria |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 3 |
| Andorra |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 4 |
| Angola |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 24 Sep 2013 | | | | | | | 5 |
| Antigua and Barbuda |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 6 |
| Argentina |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 30 Apr 2003 | 15 Nov 2004 | | 15 Nov 2004 | 22 Jun 2006 | | | 7 |
| Armenia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 14 Sep 2006 (a) | | | 14 Oct 2006 | 14 Sep 2006 | | 8 |
| Australia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 19 May 2009 | 21 Dec 2017 | | 21 Dec 2017 | 20 Jan 2018 | | | 9 |
| Austria |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 25 Sep 2003 | 04 Dec 2012 | | 04 Dec 2012 | 04 Jan 2013 | | | 10 |
| Azerbaijan |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 15 Sep 2005 | 28 Jan 2009 | | 28 Jan 2009 | 27 Feb 2009 | | | 11 |
| Bahamas |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 12 |
| Bahrain |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 13 |
| Bangladesh |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 17 Jul 2025 (a) | | | 16 Aug 2025 | 17 Jul 2025 | | 14 |
| Barbados |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 15 |
| Belarus |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 16 |
| Belgium |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 24 Oct 2005 | | | | | | | 17 |
| Belize |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 04 Sep 2015 (a) | | | 04 Oct 2015 | 04 Sep 2015 | | 18 |
| Benin |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 24 Feb 2005 | 20 Sep 2006 | | 20 Sep 2006 | 20 Oct 2006 | | | 19 |
| Bhutan |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 20 |
| Bolivia (Plurinational State of) |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 22 May 2006 | 23 May 2006 | | 23 May 2006 | 22 Jun 2006 | | | 21 |
| Bosnia and Herzegovina |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 07 Dec 2007 | 24 Oct 2008 | | 24 Oct 2008 | 24 Nov 2008 | | | 22 |
| Botswana |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 23 |
| Brazil |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 13 Oct 2003 | 12 Jan 2007 | | 12 Jan 2007 | 11 Feb 2007 | | | 24 |
| Brunei Darussalam |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 25 |
| Bulgaria |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 22 Sep 2010 | 01 Jun 2011 | | 01 Jun 2011 | 01 Jul 2011 | | | 26 |
| Burkina Faso |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 21 Sep 2005 | 07 Jul 2010 | | 07 Jul 2010 | 07 Aug 2010 | | | 27 |
| Burundi |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 18 Oct 2013 (a) | | | 18 Jan 1900 | 18 Oct 2013 | | 28 |
| Cabo Verde |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 26 Sep 2011 | 01 Apr 2016 | | 01 Apr 2016 | 01 May 2016 | | | 32 |
| Cambodia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 14 Sep 2005 | 30 Mar 2007 | | 30 Mar 2007 | 29 Apr 2007 | | | 29 |
| Cameroon |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 15 Dec 2009 | | | | | | | 30 |
| Canada |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 31 |
| Central African Republic |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 11 Oct 2016 (a) | | | 10 Nov 2016 | 11 Oct 2016 | | 33 |
| Chad |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 26 Sep 2012 | | | | | | | 34 |
| Chile |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 06 Jun 2005 | 12 Dec 2008 | | 12 Dec 2008 | 12 Jan 2009 | | | 35 |
| China |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 36 |
| Colombia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 10 Nov 2025 (a) | | | 10 Dec 2025 | 10 Nov 2025 | | 37 |
| Comoros |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 38 |
| Congo |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 29 Sep 2008 | 26 Apr 2024 | | 26 Apr 2024 | | | | 39 |
| Cook Islands |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 40 |
| Costa Rica |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 04 Feb 2003 | 01 Dec 2005 | | 01 Dec 2005 | 22 Jun 2006 | | | 41 |
| Côte d'Ivoire |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 01 Mar 2023 (a) | | | 31 Mar 2023 | 01 Mar 2023 | | 42 |
| Croatia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 23 Sep 2003 | 25 Apr 2005 | | 25 Apr 2005 | 22 Jun 2006 | | | 43 |
| Cuba |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 44 |
| Cyprus |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 26 Jul 2004 | 29 Apr 2009 | | 29 Apr 2009 | 29 May 2009 | | | 45 |
| Czech Republic |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 13 Sep 2004 | 10 Jul 2006 | | 10 Jul 2006 | 10 Aug 2006 | | | 46 |
| Democratic People's Republic of Korea |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 47 |
| Democratic Republic of the Congo |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 23 Sep 2010 (a) | | | 23 Oct 2010 | 23 Sep 2010 | | 48 |
| Denmark |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 26 Jun 2003 | 25 Jun 2004 | | 25 Jun 2004 | 22 Jun 2006 | | | 49 |
| Djibouti |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 50 |
| Dominica |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 51 |
| Dominican Republic |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 52 |
| Ecuador |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 24 May 2007 | 20 Jul 2010 | | 20 Jul 2010 | 20 Aug 2010 | | | 53 |
| Egypt |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 54 |
| El Salvador |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 55 |
| Equatorial Guinea |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 56 |
| Eritrea |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 57 |
| Estonia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 21 Sep 2004 | 18 Dec 2006 | | 18 Dec 2006 | 17 Jan 2007 | | | 58 |
| Eswatini |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 167 |
| Ethiopia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 59 |
| Fiji |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 60 |
| Finland |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 23 Sep 2003 | 08 Oct 2014 | | 08 Oct 2014 | 07 Nov 2014 | | | 61 |
| France |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 16 Sep 2005 | 11 Nov 2008 | | 11 Nov 2008 | 11 Dec 2008 | | | 62 |
| Gabon |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 15 Dec 2004 | 22 Sep 2010 | | 22 Sep 2010 | 22 Oct 2010 | | | 63 |
| Gambia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 64 |
| Georgia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 09 Aug 2005 (a) | | | 22 Jun 2006 | 09 Aug 2005 | | 65 |
| Germany |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 20 Sep 2006 | 04 Dec 2008 | | 04 Dec 2008 | 04 Jan 2009 | | | 66 |
| Ghana |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 06 Nov 2006 | 23 Sep 2016 | | 23 Sep 2016 | 23 Oct 2016 | | | 67 |
| Greece |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 03 Mar 2011 | 11 Feb 2014 | | 11 Feb 2014 | 13 Mar 2014 | | | 68 |
| Grenada |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 69 |
| Guatemala |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 25 Sep 2003 | 09 Jun 2008 | | 09 Jun 2008 | 09 Jul 2008 | | | 70 |
| Guinea |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 16 Sep 2005 | | | | | | | 71 |
| Guinea-Bissau |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 24 Sep 2013 | | | | | | | 72 |
| Guyana |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 73 |
| Haiti |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 74 |
| Holy See |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 75 |
| Honduras |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 08 Dec 2004 | 23 May 2006 | | 23 May 2006 | 22 Jun 2006 | | | 76 |
| Hungary |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 12 Jan 2012 (a) | | | 11 Feb 2012 | 12 Jan 2012 | | 77 |
| Iceland |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 24 Sep 2003 | 20 Feb 2019 | | 20 Feb 2019 | 22 Mar 2019 | | | 78 |
| India |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 79 |
| Indonesia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 80 |
| Iran (Islamic Republic of) |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 81 |
| Iraq |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 82 |
| Ireland |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 02 Oct 2007 | | | | | | | 83 |
| Israel |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 84 |
| Italy |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 20 Aug 2003 | 03 Apr 2013 | | 03 Apr 2013 | 03 May 2013 | | | 85 |
| Jamaica |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 86 |
| Japan |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 87 |
| Jordan |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 88 |
| Kazakhstan |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 25 Sep 2007 | 22 Oct 2008 | | 22 Oct 2008 | 22 Nov 2008 | | | 89 |
| Kenya |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 90 |
| Kiribati |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 91 |
| Kuwait |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 92 |
| Kyrgyzstan |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 29 Dec 2008 (a) | | | 29 Jan 2009 | 29 Dec 2008 | | 93 |
| Lao People's Democratic Republic |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 94 |
| Latvia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 10 Dec 2021 (a) | | | 10 Jan 2022 | 10 Dec 2021 | | 95 |
| Lebanon |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 22 Dec 2008 (a) | | | 22 Jan 2009 | 22 Dec 2008 | | 96 |
| Lesotho |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 97 |
| Liberia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 22 Sep 2004 (a) | | | 22 Jun 2006 | 22 Sep 2004 | | 98 |
| Libya |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 99 |
| Liechtenstein |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 24 Jun 2005 | 03 Nov 2006 | | 03 Nov 2006 | 03 Dec 2006 | | | 100 |
| Lithuania |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 20 Jan 2014 (a) | | | 19 Feb 2014 | 20 Jan 2014 | | 101 |
| Luxembourg |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 13 Jan 2005 | 19 May 2010 | | 19 May 2010 | 18 Jun 2010 | | | 102 |
| Madagascar |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 24 Sep 2003 | 21 Sep 2017 | | 21 Sep 2017 | 21 Oct 2017 | | | 103 |
| Malawi |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 104 |
| Malaysia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 105 |
| Maldives |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 14 Sep 2005 | 15 Feb 2006 | | 15 Feb 2006 | 22 Jun 2006 | | | 106 |
| Mali |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 19 Jan 2004 | 12 May 2005 | | 12 May 2005 | 22 Jun 2006 | | | 107 |
| Malta |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 24 Sep 2003 | 24 Sep 2003 | | 24 Sep 2003 | 22 Jun 2006 | | | 108 |
| Marshall Islands |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 109 |
| Mauritania |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 27 Sep 2011 | 03 Oct 2012 | | 03 Oct 2012 | 03 Nov 2012 | | | 110 |
| Mauritius |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 21 Jun 2005 (a) | | | 22 Jun 2006 | 21 Jun 2005 | | 111 |
| Mexico |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 23 Sep 2003 | 11 Apr 2005 | | 11 Apr 2005 | 22 Jun 2006 | | | 112 |
| Micronesia (Federated States of) |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 113 |
| Monaco |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 114 |
| Mongolia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 24 Sep 2013 | 12 Feb 2015 | | 12 Feb 2015 | 14 Mar 2015 | | | 115 |
| Montenegro |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 23 Oct 2006 | 06 Mar 2009 | | 06 Mar 2009 | 06 Apr 2009 | | | 116 |
| Morocco |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 24 Nov 2014 (a) | | | 24 Dec 2014 | 24 Nov 2014 | | 117 |
| Mozambique |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 01 Jul 2014 (a) | | | 31 Jul 2014 | 01 Jul 2014 | | 118 |
| Myanmar |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 119 |
| Namibia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 120 |
| Nauru |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 24 Jan 2013 (a) | | | 24 Feb 2014 | 24 Jan 2013 | | 121 |
| Nepal |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 122 |
| Netherlands |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 03 Jun 2005 | 28 Sep 2010 | | 28 Sep 2010 | 28 Oct 2010 | | | 123 |
| New Zealand |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 23 Sep 2003 | 14 Mar 2007 | | 14 Mar 2007 | 13 Apr 2007 | | | 124 |
| Nicaragua |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 14 Mar 2007 | 25 Feb 2009 | | 25 Feb 2009 | 27 Mar 2009 | | | 125 |
| Niger |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 07 Nov 2014 (a) | | | 07 Dec 2014 | 07 Nov 2014 | | 126 |
| Nigeria |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 27 Jul 2009 (a) | | | 27 Aug 2009 | 27 Jul 2009 | | 127 |
| Niue |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 128 |
| North Macedonia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 01 Sep 2006 | 13 Feb 2009 | | 13 Feb 2009 | 15 Mar 2009 | | | 173 |
| Norway |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 24 Sep 2003 | 27 Jun 2013 | | 27 Jun 2013 | 27 Jul 2013 | | | 129 |
| Oman |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 130 |
| Pakistan |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | 04 Aug 2011 | | | 131 |
| Palau |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 132 |
| Panama |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 22 Sep 2010 | 02 Jun 2011 | | 02 Jun 2011 | 02 Jul 2011 | | | 133 |
| Papua New Guinea |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 134 |
| Paraguay |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 22 Sep 2004 | 02 Dec 2005 | | 02 Dec 2005 | 22 Jun 2006 | | | 135 |
| Peru |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 14 Sep 2006 (a) | | | 14 Oct 2006 | 14 Sep 2006 | | 136 |
| Philippines |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 17 Apr 2012 (a) | | | 17 May 2012 | 17 Apr 2012 | | 137 |
| Poland |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 05 Apr 2004 | 14 Sep 2005 | | 14 Sep 2005 | 22 Jun 2006 | | | 138 |
| Portugal |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 15 Feb 2006 | 15 Jan 2013 | | 15 Jan 2013 | 15 Feb 2013 | | | 139 |
| Qatar |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 140 |
| Republic of Korea |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 141 |
| Republic of Moldova |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 16 Sep 2005 | 24 Jul 2006 | | 24 Jul 2006 | 23 Nov 2006 | | | 142 |
| Romania |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 24 Sep 2003 | 02 Jul 2009 | | 02 Jul 2009 | 01 Aug 2009 | | | 143 |
| Russian Federation |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 144 |
| Rwanda |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 30 Jun 2015 (a) | | | 30 Jul 2015 | 30 Jun 2015 | | 145 |
| Saint Kitts and Nevis |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 146 |
| Saint Lucia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 147 |
| Saint Vincent and the Grenadines |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 148 |
| Samoa |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 149 |
| San Marino |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 150 |
| Sao Tome and Principe |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 151 |
| Saudi Arabia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 152 |
| Senegal |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 04 Feb 2003 | 18 Oct 2006 | | 18 Oct 2006 | 17 Nov 2006 | | | 153 |
| Serbia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 25 Sep 2003 | 26 Sep 2006 | | 26 Sep 2006 | 26 Oct 2006 | | | 154 |
| Seychelles |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 155 |
| Sierra Leone |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 26 Sep 2003 | | | | | | | 156 |
| Singapore |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 157 |
| Slovakia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 14 Dec 2018 | 19 Sep 2023 | | 19 Sep 2023 | 19 Oct 2023 | | | 158 |
| Slovenia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 23 Jan 2007 (a) | | | 22 Feb 2007 | 23 Jan 2007 | | 159 |
| Solomon Islands |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 160 |
| Somalia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 161 |
| South Africa |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 20 Sep 2006 | 20 Jun 2019 | | 20 Jun 2019 | 20 Jul 2019 | | | 162 |
| South Sudan |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 30 Apr 2015 (a) | | | 30 May 2015 | 30 Apr 2015 | | 215 |
| Spain |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 13 Apr 2005 | 04 Apr 2006 | | 04 Apr 2006 | 22 Jun 2006 | | | 163 |
| Sri Lanka |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 05 Dec 2017 (a) | | | 04 Jan 2018 | 05 Dec 2017 | | 164 |
| State of Palestine |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 29 Dec 2017 (a) | | | 28 Jan 2018 | 29 Dec 2017 | | 217 |
| Sudan |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 165 |
| Suriname |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 166 |
| Sweden |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 26 Jun 2003 | 14 Sep 2005 | | 14 Sep 2005 | 22 Jun 2006 | | | 168 |
| Switzerland |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 25 Jun 2004 | 24 Sep 2009 | | 24 Sep 2009 | 24 Oct 2009 | | | 169 |
| Syrian Arab Republic |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 170 |
| Tajikistan |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 171 |
| Thailand |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 172 |
| Timor-Leste |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 16 Sep 2005 | | | | | | | 174 |
| Togo |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 15 Sep 2005 | 20 Jul 2010 | | 20 Jul 2010 | 20 Aug 2010 | | | 175 |
| Tonga |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 176 |
| Trinidad and Tobago |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 177 |
| Tunisia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | 29 Jun 2011 (a) | | | 29 Jul 2011 | 29 Jun 2011 | | 178 |
| Türkiye |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 14 Sep 2005 | 27 Sep 2011 | | 27 Sep 2011 | 27 Oct 2011 | | | 179 |
| Turkmenistan |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 180 |
| Tuvalu |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 181 |
| Uganda |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 182 |
| Ukraine |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 23 Sep 2005 | 19 Sep 2006 | | 19 Sep 2006 | 19 Oct 2006 | | | 183 |
| United Arab Emirates |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 184 |
| United Kingdom of Great Britain and Northern Ireland |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 26 Jun 2003 | 10 Dec 2003 | | 10 Dec 2003 | 22 Jun 2006 | | | 185 |
| United Republic of Tanzania |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 186 |
| United States of America |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 187 |
| Uruguay |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 12 Jan 2004 | 08 Dec 2005 | | 08 Dec 2005 | 22 Jun 2006 | | | 188 |
| Uzbekistan |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 189 |
| Vanuatu |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 190 |
| Venezuela (Bolivarian Republic of) |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 01 Jul 2011 | | | | | | | 191 |
| Viet Nam |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 192 |
| Yemen |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 193 |
| Zambia |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | 27 Sep 2010 | | | | | | | 194 |
| Zimbabwe |
|
CAT-OP - Optional Protocol of the Convention against Torture
| Optional Protocol of the Convention against Torture | CAT-OP | | | | | | | | 195 |