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).
Languages of Algeria
In the Sahara, more conservative Bedouin dialects, grouped under the name Saharan Arabic, are spoken; in addition, the many Sahrawi refugees at Tindouf speak Hassaniya Arabic. Most Jews of Algeria once spoke dialects of Arabic specific to their community, collectively termed Judeo-Arabic.