As of 2024, the United Nations, the depository of the convention, lists 99 parties to the Convention. One state, the
Holy See, has signed the convention as a non-member state but has not ratified it. The 99 parties are: • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
Madagascar denounced its accession made in 1962, effective 2 April 1966. The United Kingdom extended the convention to
British Hong Kong, and
China has declared that the convention continues to apply to
Hong Kong post-1997. ==See also==