Saudi Arabia
The official language of Saudi Arabia is Arabic. The three main regional variants spoken by Saudis are Hejazi Arabic (about 6 million speakers), Najdi Arabic (about 8 million speakers), and Gulf Arabic (about 0.2 million speakers). 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 Tagalog (700,000), Rohingya (400,000), Urdu (380,000), Egyptian Arabic (300,000), and Indonesian (250,000).
Arabic Braille
Arabic braille includes numerous abbreviations, some marked by dot 4 or dot 5 (the comma), which are not described here. A conference in Saudi Arabia in 2002 set up a unified braille standard for Arabic, but as of 2013 not all countries had signed up; those not adopting the standard include some Arab countries but also non-Arab Muslim countries such as Iran, Malaysia, and Indonesia.