Based on data from the Central Statistics Agency (BPS), Southwest Papua Province has the highest number of islands in Indonesia.
In 2024, this province, with its capital city in Sorong, had 3,022 islands, equivalent to 17.78% of the total number of islands in Indonesia, which amounts to 17,001 islands.
In Southwest Papua Province, the highest number of islands administratively is located in Raja Ampat Regency.
Here is a breakdown of the number of islands in regencies/cities of Southwest Papua Province in 2024:
1. Raja Ampat Regency: 2,875 islands
2. Sorong Regency: 122 islands
3. Sorong City: 18 islands
4. South Sorong Regency: 6 islands
5. Tambrauw Regency: 2 islands
6. Maybrat Regency: -
The provinces with the next highest number of islands are Riau Islands, Central Sulawesi, West Papua, and Maluku.
This is a complete list of the number of islands in Indonesia's 38 provinces in 2024, sorted from highest to lowest:
1. Southwest Papua: 3,022 islands
2. Riau Islands: 2,028 islands
3. Central Sulawesi: 1,572 islands
4. West Papua: 1,498 islands
5. Maluku: 1,388 islands
6. North Maluku: 901 islands
7. East Nusa Tenggara: 609 islands
8. Southeast Sulawesi: 590 islands
9. Papua: 527 islands
10. East Java: 512 islands
11. Bangka Belitung Islands: 507 islands
12. West Nusa Tenggara: 403 islands
13. South Sulawesi: 370 islands
14. Aceh: 363 islands
15. North Sulawesi: 353 islands
16. West Kalimantan: 253 islands
17. East Kalimantan: 243 islands
18. North Sumatra: 229 islands
19. West Sumatra: 219 islands
20. North Kalimantan: 196 islands
21. Lampung: 172 islands
22. South Kalimantan: 165 islands
23. Riau: 144 islands
24. Gorontalo: 127 islands
25. Jakarta Special Capital Region: 113 islands
26. Banten: 81 islands
27. Central Java: 71 islands
28. West Sulawesi: 69 islands
29. Central Kalimantan: 69 islands
30. Central Papua: 50 islands
31. Bali: 34 islands
32. Yogyakarta Special Region: 33 islands
33. West Java: 30 islands
34. South Sumatra: 24 islands
35. Jambi: 14 islands
36. Bengkulu: 9 islands
37. South Papua: 7 islands
38. Papua Mountains: -