* Arabic is the official language of Iraq. This means that a vast majority of the population is at least somewhat fluent in Arabic.
* There are various dialects of Arabic. Iraqis primarily speak Iraqi Arabic, which differs from other Arabic dialects.
* There are other languages spoken in Iraq. While Arabic is dominant, other languages like Kurdish, Turkmen, and Armenian are also spoken.
* Census data can be unreliable. Accurate and comprehensive data on language use is often difficult to collect.
However, we can say with certainty that the overwhelming majority of Iraqis speak Arabic, making it the most widely spoken language in the country.