Official languages of the United Nations 1948. In 1968, Russian was added as a working language of the General Assembly so that, of the GA's five official languages, four (all but Chinese) were working. In 1973, the General Assembly made Chinese a working language and added Arabic as both an official language and working language of the GA. Thus all six official languages were also working languages. Arabic was made an official and working language of "the General Assembly and its Main Committees", whereas the other five languages had status in all GA committees and subcommittees (not just the main committees). The Arab members of the
Egyptian Sign Language Egyptian Sign Language Egyptian Sign Language is a sign language used by members of the deaf community in Egypt. Although there are no official statistics on the number of deaf people or the number of people who use Egyptian Sign Language as their primary language, Gallaudet University's library resources website quotes a 1999 estimate of 2 million hearing impaired children, while a 2007 study by the WHO places the prevalence of hearing loss in Egypt at 16.02% across all age groups. Egyptian Sign Language is not formally recognized by the government. Linguistically, Egyptian Sign Language is not related to other