Indonesia

• 1. Introduction

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  Indonesia stretches more than 5,120 kilometres from east to west, scattered across over 17,000 islands between the Indian and Pacific oceans. It is the world's largest archipelagic state, the 14th-largest country by area, and home to over 280 million people. That makes it the fourth most populous nation on Earth, behind India, China, and the United States. More than half of those people crowd onto a single island, Java, the most heavily populated island in the world. The capital, Jakarta, is by United Nations estimates the most populous city on the planet. How does one country hold hundreds of ethnic groups, more than 700 languages, and the largest Muslim population of any nation, all under a single flag? The answer runs through volcanoes and spice ports, through Dutch warships and a 1945 proclamation, through stone temples and shadow puppets. This is the story of how an archipelago became a nation.

• 2. Crossroads Of Empires

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  By the early second millennium, the archipelago had become a crossroads for international trade linking East and South Asia. Foreign goods, technologies, writing systems, and religious ideas flowed into local societies, and some coastal settlements grew into centres of commerce and political authority. From the 7th century, maritime kingdoms such as Srivijaya rose through trade and absorbed Hindu and Buddhist influences. Between the 8th and 10th centuries, the Sailendra and Mataram dynasties raised monumental works including Borobudur and Prambanan. After a failed Mongol invasion of Java, the Majapahit empire emerged in the late 13th century and became a leading maritime power in the region's trade networks. Within this same maritime world of the Strait of Malacca, Islam began to take root in northern Sumatra by the late 13th century. It spread through Java and Sumatra over the following centuries, carried by trade, coastal sultanates, and teachers such as the Wali Sanga. In Java, Islamisation accommodated older Javanese cultural forms, producing a style of Javanese Islam distinct from that of Malaya and Sumatra.

• 3. Three And A Half Centuries

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  In 1602, competing Dutch trading companies were merged into the Dutch East India Company, known by its initials VOC. What began as commerce in the Spice Islands of Maluku extended into treaties, fortifications, warfare, and territorial control. When the VOC was dissolved in 1800, its possessions passed to the Dutch state as the Dutch East Indies, governed from Batavia. Dutch control developed unevenly and was repeatedly contested in Java, Sumatra, Bali, and Aceh. In western New Guinea, an early Dutch outpost was abandoned in the 1830s, with sustained administration arriving mainly after the turn of the 20th century. The Japanese invasion and occupation during World War II ended Dutch colonial rule. On the 17th of August 1945, shortly after Japan's surrender, Sukarno and Mohammad Hatta issued the Proclamation of Indonesian Independence. Sukarno became the country's first president and Hatta its first vice-president. The Netherlands tried to restore colonial rule, prompting the Indonesian National Revolution. The conflict ended in 1949, when the Netherlands accepted a transfer of sovereignty under pressure from abroad, particularly through the United Nations and the United States.

• 4. Guided Democracy To Reformasi

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  Sukarno replaced parliamentary democracy with "Guided Democracy", concentrating authority around the presidency while balancing political Islam, the military, and the Communist Party of Indonesia, the PKI. After an attempted coup in 1965, the military blamed the PKI and carried out a widespread and violent anti-communist campaign with allied civilian groups. The PKI was destroyed, Sukarno's authority collapsed, and Major General Suharto assumed the presidency in 1968, founding the authoritarian New Order. Backed by Western governments during the Cold War, the regime reopened the country to foreign investment and presided over three decades of growth. Indonesia's invasion of East Timor in 1975 drew international condemnation, and the Santa Cruz massacre in 1991 brought greater attention to its human rights record. The Asian financial crisis of 1997 to 1998 exposed the regime's fragility and led to Suharto's resignation in May 1998. In 1999, East Timor voted to secede after nearly a quarter-century of Indonesian rule. The post-Suharto era brought democratic reforms, regional autonomy, and the first direct presidential election. A settlement to the Aceh insurgency was reached in 2005, helped by the impact of the Indian Ocean tsunami the previous year.

• 5. The Ring Of Fire

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  Around 130 volcanoes in Indonesia are classified as active, strung along the Sunda, Banda, and Halmahera volcanic arcs. The country sits on the Pacific Ring of Fire, where major tectonic plates meet in subduction zones and active faults, giving it some of the world's highest levels of volcanic and seismic activity. A super-eruption at present-day Lake Toba around 74,000 years ago remains central to debates about volcanic impacts on climate and ancient human populations. The eruption of Mount Tambora in 1815 had global climatic effects and contributed to the Year Without a Summer across parts of the Northern Hemisphere in 1816. The eruption of Krakatoa in 1883 caused severe regional destruction and became one of the best-known volcanic events in modern scientific literature. Weathered volcanic ash is also a source of fertile soils in regions including parts of Java and Bali. Offshore earthquakes can generate destructive tsunamis, as in the 2004 earthquake and tsunami near northern Sumatra, the 2006 Yogyakarta earthquake, and the 2018 Sulawesi earthquake and tsunami.

• 6. A Megadiverse Archipelago

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  Conservation International recognises Indonesia as one of 17 megadiverse countries, with highly diverse flora and fauna and many endemic species. The Sunda Shelf islands carry stronger Asian faunal affinities from past land connections to mainland Asia during periods of lower sea level. Farther east, the Wallacea region forms a major transition zone between Asian and Australasian fauna and is one of the world's major centres of endemism. Indonesia's 54,716 kilometres of coastline support coral reefs, mangroves, and seagrass beds, and its reefs form part of the Coral Triangle, a global centre of marine biodiversity. The country also holds most of Southeast Asia's old-growth forest. As of 2024, Indonesia has designated 27 million hectares, or 14% of its land area, as protected, alongside marine reserves and 54 national parks. Habitat loss and illegal exploitation still threaten species such as the critically endangered Bali myna, Sumatran orangutan, and Javan rhinoceros. Peat swamp forests, which store large amounts of carbon, remain vulnerable to logging, fire, drainage, and conversion.

• 7. Unity In Diversity

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  Around 600 distinct native ethnic groups live in Indonesia, most associated with Austronesian-speaking populations, with Melanesian and Papuan peoples concentrated in the east. The Javanese, about 40% of the population, are the largest group and have held prominent positions in government, the military, and politics. Other major groups include the Sundanese, Malay, Batak, Madurese, Betawi, Minangkabau, and Bugis. The national motto, Bhinneka Tunggal Ika, holds this plurality together under a shared idea of belonging. The official language, Indonesian, is a standardized variety of Malay based on the prestige dialect of the Riau-Johor region. Nationalists promoted Malay in the 1920s through the Youth Pledge, and it gained official status in 1945 as Bahasa Indonesia. Yet more than 700 languages are spoken across the archipelago, including over 150 Papuan languages in the east. As of 2024-87.1% of the population, some 244 million Indonesians, are Muslims, making this the world's most populous Muslim-majority country. Christians form 10% and hold majorities in several eastern provinces, while Hinduism is concentrated in Bali. The state officially recognises six religions, and Pancasila places belief in one God within the national ideology.

• 8. Stages, Screens, And Plates

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  Wayang shadow puppetry is among Indonesia's best-known performance forms, often drawing on the Ramayana and Mahabharata, led by a dalang and accompanied by music. It is one of 16 items Indonesia has recognised by UNESCO as Intangible Cultural Heritage, a list that also includes batik, angklung, the saman dance, and pencak silat. Indonesian cinema began under Dutch colonial rule with Loetoeng Kasaroeng in 1926, with post-independence filmmaking developing through figures such as Usmar Ismail. Production peaked in the 1980s, declined sharply in the 1990s, then revived after 1998 through films such as Kuldesak in 1999 and Ada Apa dengan Cinta? in 2002. At the table, rice anchors most meals, served with chilli, coconut milk, shrimp paste, peanuts, and soy-based foods such as tempeh and tahu. Dishes like nasi goreng, gado-gado, and sate are eaten nationwide, while rendang carries strong Minangkabau roots. On the field, Indonesia was the first Asian representative at a FIFA World Cup, appearing in the 1938 tournament as the Dutch East Indies. In badminton, it is among the few nations to have won both the Thomas and Uber Cups, and pencak silat became an official event at the 2018 Asian Games, where Indonesia won most of the sport's gold medals.