Indonesia

The Indonesian archipelago has been inhabited for tens of thousands of years, with fossil evidence of Homo erectus at Sangiran and Trinil on Java and successive waves of Austronesian-speaking peoples settling the islands from around 2000 BCE. By the early centuries of the common era, Indianised polities had emerged along trade routes linking China, Southeast Asia, and the Indian Ocean. The maritime kingdom of Srivijaya, centred on Sumatra, dominated regional commerce from the seventh to the thirteenth century, while in central Java the Sailendra and Mataram dynasties built the Buddhist monument at Borobudur and the Hindu temple complex at Prambanan during the eighth and ninth centuries.

From the late thirteenth century the Hindu-Buddhist empire of Majapahit, based in eastern Java, extended its influence across much of the archipelago and parts of the Malay Peninsula, reaching its peak under Hayam Wuruk and his minister Gajah Mada in the fourteenth century. As Majapahit declined, Islam, introduced by Arab, Persian, and Indian traders, spread through the coastal sultanates of Aceh, Demak, Banten, Mataram, Ternate, and Tidore between the fourteenth and seventeenth centuries, gradually becoming the dominant religion across most of the islands while Hinduism persisted in Bali.

European involvement began with the Portuguese capture of Malacca in 1511 and their pursuit of the spice trade in the Moluccas. The Dutch East India Company (VOC), founded in 1602, eclipsed Portuguese and English rivals and established its headquarters at Batavia, the modern Jakarta, in 1619. After the VOC's bankruptcy in 1799, the Netherlands government took direct control, and through a series of wars in the nineteenth and early twentieth centuries, including the Java War of 1825 to 1830 and the protracted Aceh War, consolidated the territory known as the Netherlands East Indies. A nationalist movement crystallised in the early twentieth century around organisations such as Budi Utomo, Sarekat Islam, and the Indonesian National Party led by Sukarno.

Japanese forces occupied the archipelago from 1942 to 1945, dismantling Dutch authority. Two days after Japan's surrender, on 17 August 1945, Sukarno and Mohammad Hatta proclaimed Indonesian independence, triggering a four-year armed and diplomatic struggle that ended with Dutch recognition in December 1949. Sukarno's experiment with Guided Democracy gave way, after the violent upheaval of 1965 and 1966 in which hundreds of thousands of suspected communists were killed, to the New Order regime of General Suharto, which combined economic development with authoritarian rule. East Timor was invaded and annexed in 1975 and 1976, and Suharto governed until financial crisis and mass protests forced his resignation in May 1998.

The Reformasi era that followed introduced direct presidential elections, decentralisation to the provinces and regencies, and a freer press, while East Timor voted for independence in 1999 and the long insurgency in Aceh ended with a peace agreement in 2005. Successive presidents, including Abdurrahman Wahid, Megawati Sukarnoputri, Susilo Bambang Yudhoyono, Joko Widodo, and Prabowo Subianto, who took office in October 2024, have presided over consolidation of competitive electoral politics and steady economic growth, alongside ongoing debate over corruption, religious pluralism, and the planned relocation of the capital to Nusantara in East Kalimantan. Indonesia today is a unitary presidential republic with a bicameral legislature, the world's third-largest democracy by population, and the largest economy in Southeast Asia.