Europe, International Monetary Fund, World Trade Organization and La Francophonie. Military The Albanian Armed Forces consist of Land, Air and Naval Forces and constitute the military and paramilitary forces of the country. They are led by a commander-in-chief under the supervision of the Ministry of Defence and by the President as the supreme commander during wartime however, in times of peace its powers are executed through the Prime Minister and the Defence Minister. The chief purpose of the armed forces of Albania is the defence of the independence, the sovereignty and the territorial integrity of the country, as well as the participation in humanitarian, combat, non-combat and peace support operations. Military service is voluntary since 2010 with the age of 19 being the legal minimum age for the duty. Albania has committed to increase the participations in multinational operations. Since the fall of communism, the country has participated in six international missions but participated in only one United Nations mission in Georgia, where it sent 3 military observers. Since February 2008, Albania has participated officially in NATO's Operation Active Endeavor in the Mediterranean Sea. It was invited to join NATO on 3 April 2008, and it became a full member on 2 April 2009. Albania reduced the number of active troops from 65,000 in 1988 to 14,500 in 2009. The military now consists mainly of a small fleet of aircraft and sea vessels. In the 1990s, the country scrapped enormous amounts of obsolete hardware from China, such as tanks and SAM systems. Increasing the military budget was one of the most important conditions for NATO integration. Military spending has generally been low. As of 1996 military spending was an estimated 1.5% of the country's GDP, only to peak in 2009 at 2% and fall again to 1.5%. Administrative divisions Albania is defined within a territorial area of in the Balkan Peninsula. It is informally divided into three regions, the Northern, Central and Southern Regions. Since its Declaration of Independence in 1912, Albania has reformed its internal organization 21 times. Presently, the primary administrative units are the twelve constituent counties (), which hold equal status under the law. Counties had previously been used in the 1950s and were recreated on 31 July 2000 to unify the 36 districts () of that time. The largest county in Albania by population is Tirana County with over 800,000 people. The smallest county, by population,