The whole name: Republic of Indonesia.
Area: 1904000 square kilometers.
Population: 216 million inhabitants.
Z-time: 3 time zones: Sumatra, Java, Western and Central Kalimantan: GMT +7 hours, Bali, Nusa, Tengara, Southern and Eastern Kalimantan: GMT +8 hours, and Irian Jaya and Maluku: GMT + 9 hours.
Nation: Indonesian and 365 ethnic groups: Javanese 45%, Sundanese 14%, Madurese 7.5%, coastal Malays 7.5%, other 26%.
Language: Bahasa Indonesia (official, modified form of Malay), English, Dutch, local dialects (the most widely spoken of which is Javanese.
Religion: Muslim 88%, Protestant 5%, Roman Catholic 3%, Hindu 2%, Buddhist 1%, other 1%.
Sector of the national economy: oil, gas, textile, producing of wood, coffee, rubber, coal, tin, copper, rice, pepper, palm oil.
Main partners: USA, Japan, Singapore.
Health risk: malaria, hepatitis, fewer, lambliasis, paratyphoid, hydrophobia, typhus, Japanese encephalitis.
Line voltage: 220V, 50Hz.
System of measures and weighting system: metric.