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
Before 1980, The pre-Hilalian group included old ("Baldī") Urban dialects of Tunis, Kairouan, Sfax, Sousse, Nabeul and its region Cap Bon, Bizerte, old Village dialects (Sahil dialects), and the Judeo-Tunisian. The Hilalian set includes the Sulaym dialects in the south and the Eastern Hilal dialects in central Tunisia. The latter were also spoken in the Constantinois (eastern Algeria).