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 phonology
The phoneme represented by the Arabic letter "" () has many standard pronunciations: in most of the Arabian Peninsula and as the predominant pronunciation of Literary Arabic outside the Arab world, in most of Egypt and some regions in southern Yemen and southwestern Oman. This is also a characteristic of colloquial Egyptian and southern Yemeni dialects. In Morocco and western Algeria, it is pronounced as in some words, especially colloquially. In most north Africa and most of the Levant, the standard is pronounced , and in certain regions of the Persian Gulf colloquially with . In some Sudanese and Yemeni dialects, it may be either or as it used to be in Classical Arabic.