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).
Yemeni Arabic
Yemeni Arabic can be divided roughly into several main dialect groups, each with its own distinctive vocabulary and phonology. The most important four groups are San'ani in the North and Center and Hadhrami in the East, where is pronounced and is or (except in coastal Hadhrami where is ), in addition to Ta'izzi-Adeni (also called Djibouti Arabic) in the South and Tihami in the West, where is and is . Yemeni Arabic is used for daily communications and has no official status; Modern Standard Arabic is used in official purposes, education, commerce and media.