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).
Tunisian Arabic
Tunis, Sahil and Sfax dialects (considered sedentary dialects) use the voiceless uvular stop in words such as قال "he said" while southeastern, northwestern and southwestern varieties (considered nomadic dialects) substitute it by the voiced velar stop as in . Moreover, only Tunis, Sfax and Sahil dialects use Tunisian phonology.