context: Zoroastrianism, known as Majusia, is an ancient Iranian religion and Asian religious philosophy. It was the official religion of the Achaemenid, Parthian, and Sassanid Empires. [1] The number of adherents of religion is estimated to range from 145,000 to 2.6 million. [2] Most of them are today in India and are located in Iran, Afghanistan and Azerbaijan in addition to immigrants from these regions in the United States, Europe, Australia, Canada and Singapore.
question: What is the religion of Zoroastrianism?
answers.text: ancient Iranian religion and Asian religious philosophy. It was the official religion of the Achaemenid, Parthian, and Sassanid Empires