Total number of ratifications: 170

You can a list of all countries that have ratified OPAC and their declarations here.

UN Member States who have not signed or ratified the Optional Protocol. UN Member States who have signed but not ratified the Optional Protocol.
Antigua and Barbuda Fiji 16/09/2005
Barbados Haiti 15/08/2002
Comoros Iran (Islamic Republic of) 21/09/2010
Cook Islands Lebanon 11/02/2002
DPR Korea Liberia 22/09/2004
Equatorial Guinea Nauru 08/09/2000
Marshall Islands Solomon Islands 24/09/2009
Mauritania Somalia 16/09/2005
Niue Suriname 10/05/2002
Palau Zambia 29/09/2008
Papua New Guinea
Saint Kitts and Nevis
Sao Tome and Principe
Tonga
Trinidad and Tobago
Tuvalu
United Arab Emirates
 ——————–  ——————–
 Total: 17  Total: 10