What was the primary religion of the Ottoman Empire?

Orthodox Christianity

Judaism

Islam

Roman Catholicism

islam

The primary religion in the Ottoman Empire was Islam. In the Ottoman Empire, so much of its territory practiced the Islamic faith, which made mostly the whole empire follow the Islamic faith. Many of Islams holy places are in the Ottoman Empire, and also that the man that was regarded as the Islamic leader, Suleiman, was in the Ottoman Empire too, and other Muslim rulers that were on earth.