Military expenditures:
0.88% of GDP (2016) 0.89% of GDP (2015) 0.78% of GDP (2014) 0.92% of GDP (2013) 0.71% of GDP (2012)
country comparison to the world: 125
[see also: Military expenditures country ranks ]

Military branches:
Indonesian Armed Forces (Tentara Nasional Indonesia, TNI): Army (TNI-Angkatan Darat (TNI-AD)), Navy (TNI-Angkatan Laut (TNI-AL), includes marines (Korps Marinir, KorMar), naval air arm), Air Force (TNI-Angkatan Udara (TNI-AU)), National Air Defense Command (Kommando Pertahanan Udara Nasional (Kohanudnas)) (2013)

Military service age and obligation:
18-45 years of age for voluntary military service, with selective conscription authorized; 2-year service obligation, with reserve obligation to age 45 (officers); Indonesian citizens only (2012)

Maritime threats:
the International Maritime Bureau continues to report the territorial and offshore waters in the Strait of Malacca and South China Sea as high risk for piracy and armed robbery against ships; attacks declined dramatically from 108 incidents in 2015 to 49 in 2016, although Indonesian waters remained the most dangerous in the world; in 2016, 45 commercial vessels were boarded and one hijacked; during 2016 37 crew members were taken hostage; hijacked vessels are often disguised and cargo diverted to ports in East Asia; crews have been murdered or cast adrift; Indonesia remains the most dangerous area during the first half of 2017 with more than 20% of all incidents reported world-wide