New geospatial mapping confirms 63 additional islands, highlighting Indonesia’s evolving coastline
Indonesia has reaffirmed its title as the world’s largest archipelagic nation, officially documenting a total of 17,380 islands in 2024 after advanced mapping efforts by the Geospatial Information Agency (BIG).
According to the Geospatial Information Agency (BIG), Indonesia now has 17,380 officially registered islands—an increase of 63 islands from the previous year. The rise is credited to the latest mapping technologies, including LiDAR and satellite imagery, which helped identify previously undocumented landforms.
These islands were found across various provinces:
- Bangka Belitung
- Southeast Sulawesi
- North Maluku
- West Kalimantan
Natural events such as coastal erosion, sedimentation, and geological shifts have contributed to the formation or recognition of these new islands. Additionally, some previously unverified landforms have now been formally registered with names and official geographic coordinates.
Papua Barat Daya Tops Island Rankings
For the first time, Papua Barat Daya (Southwest Papua) has taken the lead as the Indonesian province with the largest number of islands:
- Papua Barat Daya: 3,022 islands
- Kepulauan Riau (Riau Islands): 2,028 islands
- Central Sulawesi: 1,572 islands
- West Papua: 1,498 islands
- Maluku: 1,388 islands
These figures highlight the need for regional governments to enhance infrastructure and public services for the increasing number of recognized island communities.
The updated island count is part of a broader national strategy supporting Indonesia’s 2060 net-zero emission goals. Accurate geographic data plays a vital role in developing resilient coastal infrastructure, managing marine resources, and preparing for climate-induced disruptions.
BIG emphasized that better data enables stronger international positioning on maritime boundary discussions and ocean-related environmental issues. It also helps strengthen Indonesia’s claims in international forums dealing with archipelagic state rights.
Importance of Protecting Coastal Ecosystems
With more islands comes greater responsibility. Officials warn that many of the newly identified islands are small and fragile, requiring urgent protection from climate change, overexploitation, and erosion. The government has reiterated its commitment to balancing development efforts with conservation in the coastal and island zones.
Efforts will include better coordination between the central and local governments to monitor and protect these ecosystems while also investing in infrastructure and connectivity for remote island communities.
Improved Data for Sustainable Island Planning
The data gathered through BIG’s geospatial efforts will enhance governance, infrastructure planning, and access to public services across Indonesia’s vast island landscape. Accurate island mapping helps avoid overlaps in jurisdiction, ensures more equitable development, and identifies which regions need urgent attention.
These updates are expected to support long-term sustainable growth and help prioritize funding for schools, health services, and transport in remote island territories.
Archipelago Expands Amid Global Maritime Focus
Indonesia’s expanding island inventory is not just a domestic matter—it strengthens the nation’s maritime identity and influence. As global focus intensifies on ocean governance and blue economy strategies, Indonesia’s verified island data reinforces its role as a key player in shaping the maritime future of the Asia-Pacific region.
The increase in Indonesia’s registered islands offers not just national pride but also a stronger foundation for climate resilience, regional development, and global maritime influence. For nations nearby, including Singapore, this expanding archipelagic landscape further emphasizes the importance of collaborative marine strategies and sustainable ocean management in Southeast Asia.
Sources: Batam News (2025), Detik News (2025)
Keywords: Indonesia Archipelago, Island Increase 2024, Geospatial Data BIG, Southwest Papua Islands, Kepulauan Riau Ranking
