context: The International Covenant on Economic, Social and Cultural Rights is a multilateral treaty adopted by the United Nations General Assembly on December 16, 1966 and entered into force on January 3, 1976. Its parties are obligated to work for the granting of economic, social and cultural rights in the territories and individuals with confidence in the Non-Self-Governing Party, including rights Workers, the right to health, the right to education and the right to an adequate standard of living. As of 2015, the 164 treaty had been ratified by the party. Five other countries, including the United States, have signed but not yet ratified the treaty.
question: How many countries have signed the International Covenant on Economic, Social and Cultural Rights?
answers.text: 164