Persian is a common language, as a lingua franca in South Asia, Central Asia and Middle east
The three most widely spoken languages in Asia are:MandarinHindiArabic
Mandarin Chinese is the most common language spoken in Asia, with over a billion native speakers.
Arabic
Mandarin
Arabic.
Uygur is primarily spoken in Eastern and Central Asia, but it is not considered a "main" language anywhere.
Southwest Asia, also called the Middle East, has ARABICas the predominant language spoken. However, the dialects differ from country to country.
The most common language spoken across the countries of Asia is English.
English
Japanese and Chinese
Asia is a continent not a country so it doesn't have an official language. Or rather it has many official languages...