Military expenditures:
1.21% of GDP (2018)
1.18% of GDP (2017)
1.14% of GDP (2016)
1.13% of GDP (2015)
1.05% of GDP (2014)
country comparison to the world (CIA rank, may be based on non-current data): 106
[see also: Military expenditures country ranks ]

Military forces:
Tanzania People's Defense Forces (TPDF or Jeshi la Wananchi la Tanzania, JWTZ): Land Forces Command, Naval Forces Command, Air Force Command, National Building Army (Jeshi la Kujenga Taifa, JKT), People's Militia (Reserves) (2019)
note: the National Building Army is a paramilitary organization under the Defense Forces that provides six months of military and vocational training to individuals as part of their two years of public service; after completion of training, some graduates join the regular Defense Forces while the remainder become part of the People's Militia

Military service age and obligation:
18-25 years of age for voluntary military service; 6-year commitment (2019)

Maritime threats:
The International Maritime Bureau reports that shipping in territorial and offshore waters in the Indian Ocean remain at risk for piracy and armed robbery against ships, especially as Somali-based pirates extend their activities south; numerous commercial vessels have been attacked and hijacked both at anchor and while underway; crews have been robbed and stores or cargoes stolen.