
đź“· Indonesia’s population has more than quadrupled over the past eight decades. © Sebastian Castelier
Thousands of Indonesian youth, bathed in rosy artificial light, filled the historic district of Jakarta on August 17, 2025. The crowd attended a concert organized in Kota Tua as part of nationwide festivities to mark the Southeast Asian country’s independence anniversary. Eighty years earlier, Sukarno and Mohammad Hatta, the founding figures of the nation these young Indonesians have inherited, proclaimed independenceTempo – Dutch PM Recognizes Indonesia's 1945 Independence Date, 2023 after more than three centuriesUNESCO – Archives of the Dutch East India Company, 2003 of Dutch colonial presence amid a severe famineCambridge University – Java’s 1944–45 famine in Indonesia’s historiography, 2024.
But the 1945 food security crisis was not at the forefront of thought at the concert. Nowadays, although undernourishment has not yet been eradicated – it is still a concern in the eastern archipelagoes – the daily food intake of about 92%Badan Pusat Statistik – Prevalence of Undernourishment, 2025 of Indonesians in 2025 met the amount of dietary energy they required. In fact, the music aficionados belong to the era of plentifulness.
Such progress in food availability, coupled with rising living standards, have been the key enablers of a more than quadrupling of the population over the past eight decades, from 69 to 284 millionBank Indonesia – Penduduk Indonesia Tengah Tahun, 2014Badan Pusat Statistik – Mid Year Population, 2025 million. Indonesia, now the world’s fourth-most populous nation, is on track to cross the 300 millionUnited Nations – Data portal, Population division inhabitants mark in the early 2030s. This demographic boom has produced a larger consumer class embedded in lifestyles that demand land, energy, and materials. In 2026, the International Monetary Fund described Indonesia as an economic “global bright spotInternational Monetary Fund – Article IV Consultation with Indonesia, 2026”, amid president Prabowo Subianto calls to “unlockWorld Economic Forum – Special address by Prabowo Subianto, 2026 private sector growth” further.
Tin mining beneath touchscreens
At the systemic level, however, what is framed as a healthy economic momentum systematically obscures the accumulating ecological deficit. Since 2000, the total ecological footprint of the Indonesian population has exceeded the capacityGlobal Footprint Network – Indonesia trends, 2026 of the country’s lands and oceans to provide food and biomaterials, as well as accommodate urban infrastructure and soak up Carbon dioxide (CO2). This overshoot can be explained by the fact that population growth and ecosystem alterations have so far been intricately linked in most countries, including in Indonesia, as higher household consumption levels offset greater efficiency in natural resources use.
At Kota Tua, hundreds of smartphones used by a generation born in the digital age to record the live musical performance are the downstream expression of a supply chain that anchors demand for tin extraction in Bangka Belitung. The group of islands, situated off the coast of southeastern Sumatra, concentrates roughly a fithMDPI – Tin Mining and Post-Tin Mining Reclamation Initiatives in Indonesia, 2025 of global tin production. The silvery-white metal is then used in the production of Indium Tin Oxide. Despite being largely unaware of the vital role the transparent thin-film coating made of tin has played in detecting touch inputs on their touchscreens, the concert goers nonetheless stand at the end of a supply chain that alters Bangka Belitung’s soils.