1. Egypt: Arabic is the official language and the most widely spoken language in Egypt.
2. Saudi Arabia: Arabic is the official language and spoken by the vast majority of the population.
3. Morocco: Arabic is one of the two official languages, alongside Berber (Tamazight).
4. United Arab Emirates: Arabic is the official language and widely used in government, media, and education.
5. Algeria: Arabic is one of the two official languages, alongside Berber (Tamazight).