Sign languages are primarily used by deaf and hard of hearing individuals to communicate with each other and with hearing individuals who know sign language.

There are an estimated 2,000 sign languages in use worldwide, each with its own unique vocabulary, grammar, and syntax.

Sweden was the first country to recognize sign language as an official language in 1981, granting deaf individuals equal language rights.

Sign languages play a crucial role in promoting social justice by empowering deaf individuals, challenging societal biases, and ensuring equal opportunities in various aspects of life.

The Convention on the Rights of Persons with Disabilities (CRPD), adopted in 2006, recognizes the rights of deaf individuals, including the right to use sign language and to have access to information and communication in accessible formats.

Sign language interpreting is the process of translating spoken language into sign language, allowing deaf and hearing individuals to communicate effectively.

Deaf individuals face multiple challenges in accessing education, including the lack of qualified sign language interpreters, inadequate assistive technology, and negative attitudes towards deafness.

Finland has the highest percentage of deaf individuals who have completed higher education, demonstrating the country's commitment to inclusive education.

Communication barrier is the term used to describe the difficulty or inability of deaf and hearing individuals to communicate effectively due to language differences.

The World Federation of the Deaf (WFD) is an international organization that advocates for the rights of deaf individuals worldwide and promotes the use of sign languages.

Sign language theater, sign language dance, and sign language performance art are all terms used to describe the use of sign language in artistic expressions.

India has the largest deaf population in the world, with an estimated 18 million deaf individuals.

Native sign language acquisition, first language sign language acquisition, and primary sign language acquisition are all terms used to describe the process of acquiring sign language as a native language.

The United States was the first country to establish a national sign language interpreter training program in 1965.

Sign language liturgy, sign language worship, and sign language religious expression are all terms used to describe the use of sign language in religious contexts.