the United Nations 2013 report. 26.3% of the total migrant population in Saudi Arabia are from India, followed by Pakistan (24.2%), Bangladesh (19.5%), Egypt (19.3%), and finally the Philippines (15.3%). Most immigrants of the Kingdom are skilled, unskilled, and service industry foreign workers. Although the living and working conditions immigrant workers are harsh in Saudi Arabia, economic opportunity tends to be much greater than in their homelands. There are around five million illegal immigrants in Saudi Arabia, most of which come from Africa and Asia. These immigrants are planned to be deported within the next few years. There are around 100,000 Westerners in Saudi Arabia, most of whom live in compounds or gated communities. People from other immigration jurisdictions Religion The government does not conduct census on religion, but estimates put the percentage of the majority Sunnis at 85-90%. The rest are other forms of Islamic minorities. Other smaller communities reside in the south, with Ismaili Shia's constituting around half of the population of the province of Nejran, and a small percentage of the Holy Islamic cities of Mecca and Medina. There is also a Christian population of uncertain size. According to a poll by WIN-Gallup International, 5% of 502 Saudi Arabians surveyed stated they were "convinced atheists". Languages The official language of Saudi Arabia is Arabic. Saudi Sign Language is the principal language of the deaf community. The large expatriate communities also speak their own languages, the most numerous of which are Urdu (4,000,000) which after Arabic is widely used especially among the South Asian community, which makes the largest community of expatriate, Indonesian (850,000), Filipino/Tagalog (700,000), Malayalam (447,000), Rohingya (400,000), and Egyptian Arabic (300,000). References External links International Religious Freedom Report 2010 Society of Saudi Arabia