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).
Kuwaiti Arabic
Kuwaiti (in Kuwaiti كويتي, //) is a Gulf Arabic dialect spoken in Kuwait. Kuwaiti Arabic shares many phonetic features unique to Gulf dialects. Due to Kuwait's soap opera industry, Kuwaiti Arabic spread throughout the Arabic-speaking world and became familiar even to people in countries such as Tunisia and Jordan.