Official nameRepublik Singapura (Republic of Singapore)Population estimate (2015)5·60 millionInternet domain extension.sgCurrencyThe unit of currency is the Singapore dollar (SGD), which consists of 100 cents.TerritoryThe Republic of Singapore consists of Singapore Island and some 63 smaller islands. Singapore Island is situated off the southern extremity of the Malay peninsula.LanguagesMalay, Chinese (Mandarin), Tamil and English are the official languages; Malay is the national language and English is the language of administration.Source: The Statesman's Yearbook 2018. Palgrave Macmillan, London Synonyms and related words