25 May 1946 (from League of Nations mandate under British administration)
17 August 1945 (declared) note: recognized by the Netherlands on 27 December 1949; in August 2005, the Netherlands announced it recognized de facto Indonesian independence on 17 August 1945
Religions
Sunni Muslim 92%, Christian 6% (majority Greek Orthodox, but some Greek and Roman Catholics, Syrian Orthodox, Coptic Orthodox, Armenian Orthodox, and Protestant denominations), other 2% (several small Shia Muslim and Druze populations) (2001 est.)
Muslim 86.1%, Protestant 5.7%, Roman Catholic 3%, Hindu 1.8%, other or unspecified 3.4% (2000 census)
Languages
Arabic (official), English widely understood among upper and middle classes
Bahasa Indonesia (official, modified form of Malay), English, Dutch, local dialects (the most widely spoken of which is Javanese)