Why is Standard Arabic used for writing and broadcasting across the Arab world?

Modern Standard Arabic is used for writing and broadcasting across the Arab world because it serves as a uniform literary language that bridges the significant linguistic gaps between various local Arabic dialects, which can be mutually unintelligible.12

This situation is a classic example of diglossia, where a high-prestige, standardized form of a language exists alongside common spoken varieties. Modern Standard Arabic is derived from Classical Arabic, the language of the Qurʾān, which is held as the ideal archetype of the language. Because of its historical and religious significance, this literary form has remained remarkably stable over centuries, providing a consistent medium for formal communication, including newspapers, novels, political speeches, and news broadcasts. While local dialects are used for day-to-day interaction, Modern Standard Arabic functions as the official version of the language across the Arab world, ensuring a shared means of communication for millions of speakers.31452