as the Portuguese Eurasians learned English instead. Today, it is largely spoken by the elderly. Singapore Sign Language While Singapore Sign Language (SgSL) has not been recognised as a national sign language, the local deaf community recognises it as Singapore's native sign language, developed over six decades since the setting up of the first school for local deaf in 1954. Singapore Sign Language is closely related to American Sign Language and is influenced by Shanghainese Sign Language (SSL), Signing Exact English (SEE-II), Pidgin Signed English (PSE). Other Malayo-Polynesian languages In the 1824 census of Singapore, 18% of the population were identified as ethnic Bugis, speaking the Buginese language, counted separately from the Malays. Over the centuries, the Bugis community dwindled and became assimilated into the Malay demographic. In 1990, only 0.4% of Singaporeans were identified as Bugis. Today the term Malay is used in Singapore as an umbrella term for all peoples of the Malay Archipelago. Bilingualism and multilingualism The majority of Singaporeans are bilingual in English and one of the other three official languages. For instance, most Chinese Singaporeans can speak English and Mandarin. Some, especially the older generations, can speak Malay and additional Chinese varieties such as Hokkien, Teochew, Cantonese, Hakka, and Hainanese. Bilingual education policy Singapore has a bilingual education policy, where all students in government schools are taught English as their first language. Students in Primary and Secondary schools also learn a second language called their "Mother Tongue" by the Ministry of Education, where they are either taught Mandarin, Malay, or Tamil. English is the main language of instruction for most subjects, while Mother Tongue is used in Mother Tongue lessons and moral education classes. This is because Singapore's "bilingualism" policy of teaching and learning English and Mother Tongue in primary and secondary schools is viewed as a "cultural ballast" to safeguard Asian cultural identities and values against Western influence. While "Mother Tongue" generally refers to the first language (L1) elsewhere, it is used to denote the "ethnic language" or the second language (L2) in Singapore. Prior to 1 January 2011, the Ministry of Education (MOE) in Singapore defined "Mother Tongue" not as the home language or the first language acquired by the student but by their father's ethnicity. For example, a child born to a Tamil-speaking Indian father and Hokkien-speaking Chinese mother would automatically be assigned to take Tamil as the Mother Tongue language. Since