CIA Factbook: Jamaica Military

Military branches:   
Jamaica Defense Force: Ground Forces, Coast Guard, Air Wing (2009)
 
Military service age and obligation:   
18 years of age for voluntary military service; younger recruits may be conscripted with parental consent (2001)
 
Manpower available for military service:   
males age 16-49: 688,480
females age 16-49: 709,548 (2008 est.)
 
Manpower fit for military service:   
males age 16-49: 573,520
females age 16-49: 586,426 (2009 est.)
 
Manpower reaching militarily significant age annually:   
male: 31,833
female: 31,257 (2009 est.)
 
Military expenditures:   
0.6% of GDP (2006 est.)