Size: Total land area 1,919,317 square kilometers, which includes some 93,000 square kilometers of inland seas. Total area claimed, including an exclusive economic zone, 7.9 million square kilometers.

Topography: Archipelagic nation with 13,667 islands, five main islands (Sumatra, Java, Kalimantan, Sulawesi, and Irian Jaya), two major archipelagos (Nusa Tenggara and Maluku Islands), and sixty smaller archipelagos. Islands mountainous, with some peaks reaching 3,800 meters above sea level in western islands and as high as 5,000 meters in Irian Jaya. Highest point Puncak Jaya (5,039 meters), in Irian Jaya. Region tectonically unstable with some 400 volcanoes, of which 100 are active.

Climate: Tropical, hot, humid more moderate climate in highlands. Little variation in temperature because of almost uniformly warm waters that are part of the archipelago. In much of western Indonesia dry season June to September, rainy season December to March.

Data as of November 1992