The official language of Jordan is Arabic, though English is also widely spoken, especially in commerce and banking. Jordan has a constitutional monarchy form of government, with executive power held by the King, who signs and executes laws. The majority of Jordan's population is Sunni Muslim, though there is also a significant Shi'a minority. Jordan lies between latitudes 29 and 34 degrees north, with major cities including the capital Amman in the northwest and Aqaba in the south. Jordan has a limited economy based around phosphate mining and has scarce water resources.