• ground forces (Hrvatska kopnena vojska)
• naval forces (Hrvatska Ratna Mornarica)
• air and air defense forces (Hrvatsko ratno zrakoplovstvo i protuzračna obrana)

Reserves number 220,000. Available males aged 15-49 number 1,081,135, of which 856,946 are technically fit for military service.

Only male citizens are subject to compulsory military service. The number of males reaching military age of 19 is 30,096 per year (2003 est.), at which point they have eight years to enlist either for 6 months in the army or for 10 months in the civil service.

The Croatian military budget was approximately $1.1 billion in 1997 (a little more than 5% of GDP), but it has since been reduced significantly ($520 million or 2.39% of GDP in 2002).