Oman (officially the Sultanate of Oman) is a country located in Southwest Asia. It has borders with the United Arab Emirates, Saudi Arabia and Yemen. The capital city of Oman is Muscat, and the official language is Arabic. The total population of Oman is estimated at 2.87 million for 2008; like the other Gulf Co-operation Council countries, it is highly dependent on supposedly temporary immigrant workers known in the region as "expatriates". In 2008 the immigrant population was estimated at 900,000 (31% of total population) with only 23% female and the labour force at 809,000 (75% of the total labour force).[1] The predominant nationality of the immigrant workforce for some time has been Indian (56%) followed by Bangladeshi (15%) and Pakistani (13%) in 2008.