... 1981, the Convention on the Elimination of All Forms of Discrimination Against Women, adopted by the U.N. General Assembly in 1979, entered into force. On adherence to the Convention, the U.N. Division on the Advancement of Women writes:
Currently, 185 countries -- over ninety percent of the members of the United Nations -- are party to the Convention. An additional State has signed, but not ratified the treaty, therefore it is not bound to put the provisions of the Convention into practice.
That lone signer-not-a-party? The United States.