Width of island under 10.000km2 could be identified as small island.Sum of small islands in Indonesia is not definite, as 17.508 (Dishidros), 17.480 (Fredy Numberi), and in 1987 Pusat Survei dan Pemetaan ABRI (Pussurta ABRI) declared total of 17.508 and Lembaga Penerbangan dan Antariksa Nasional (Lapan), in 2002 based on the result of Citra Satellite declared a sum of 18.306.Data issued by Home Affair Department (Currently Ministry) based on Governors and Regents/Majors report on 2004 clarifies sum of: 7.870 named small islands, 9.634 unnamed small islands, approximately 6.000 small islands are occupied by human.