The U.S. government estimates the total population at 18.9 million (midyear 2019 estimate). The most recent national census in 2009 reported approximately 70 percent of the population is Muslim, most of whom adhere to the Sunni Hanafi school. Other Muslim groups include Shafi’i Sunni, Shia, Sufi, and Ahmadi Muslims.

Other religious groups that together constitute less than 5 percent of the population include Jews, Buddhists, the International Society of Krishna Consciousness, Baha’is, and Scientologists.