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).
Varieties of Arabic
The most obvious phonetic difference between the two groups is the pronunciation of the letter ق "qaf", which is pronounced as a voiced in the Urban varieties of the Arabian Peninsula (like the Hejazi dialect in the ancient urban cities of Mecca and Medina) as well as in the Bedouin dialects across all Arabic-Speaking Countries, but is voiceless mainly in the post-Arabized Urban centers as either (with being an allophone in few words mostly in North African cities) or (merging with ) in the urban centers of Egypt and the Levant, all of which were mostly Arabized after the Islamic Conquests.