A very large number of states have done so. On a quarterly basis, the Office of the UN High Commissioner for Human Rights (OHCHR) records the number of states that have ratified human rights treaties (OHCHR Table (EXCEL document)).
|Human Rights Treaty||Year of adoption/entry into force||Number of ratifying states|
|International Convention on the Elimination of all Forms of Racial Discrimination (ICERD)||1965/1969||175|
|International Covenant on Economic, Social and Cultural Rights (ICESCR)||1966/1976||160|
|International Covenant on Civil and Political Rights (ICCPR)||1966/1976||167|
|Convention on the Elimination of all Forms of Discrimination against Women (CEDAW)||1979/1981||187|
|Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment (CAT)||1984/1987||153|
|Convention on the Rights of the Child (CRC)||1989/1990||193|
|International Convention on the Protection of the Rights of all Migrant Workers and Members of their Families (ICRMW)||1990/2003||46|
|Convention on the Rights of Persons with Disabilities (CPD)||2006/2008||126|
|Convention for the Protection of all Persons from Enforced Disappearance (CED||2007/2010||37|
|(Last update: September 2012, www.ohchr.org)|
Deutsche Geschellschaft für Internationale Zusammenarbeit (GIZ) (2013): Promising Practices - On a human rights-based approach in German development cooperation. GIZ, 26 p.
Deutsche Geschellschaft für Internationale Zusammenarbeit (GIZ) (2011): National Human Rights Institutions. GIZ, 10 p.