Military branches:
Irish Defence Forces (Oglaigh na h-Eireannn), Permanent Defence Forces (PDF): Army, Naval Service, Air Corps; Reserve Defence Forces (RDF): Army, Naval Service Reserves (2014)

Military service age and obligation:
18-25 years of age for male and female voluntary military service recruits to the Permanent Defence Forces (PDF; 18-27 years of age for the Naval Service); 18-28 for cadetship (officer) applicants; 18-35 years of age for the Reserve Defence Forces (RDF); maximum obligation 12 years (PDF officers), 5 years (PDF enlisted), 3 years RDF (4 years for Naval Service Reserves); EU citizenship, refugee status, or 5-year residence in Ireland required (2014)

Military expenditures:
0.49% of GDP (2014) 0.51% of GDP (2013) 0.55% of GDP (2012) 0.59% of GDP (2011) 0.55% of GDP (2010)
country comparison to the world: 126
[see also: Military expenditures country ranks ]