The U.S. government estimates the total population at 34.6 million (midyear 2019 estimate). More than 99 percent of the population is Sunni Muslim, and less than 0.1 percent of the population is Shia Muslim, according to U.S. government estimates. Groups together constituting less than 1 percent of the population include Christians, Jews, and Baha’is.

According to Jewish community leaders, there are an estimated 3,000 to 3,500 Jews, approximately 2,500 of whom reside in Casablanca. Some citizen Christian community leaders estimate there are between 2,000 and 6,000 Christian citizens distributed throughout the country; however, the Moroccan Association of Human Rights estimates there are 25,000 Christian citizens. One media source reported that while most Christians in the country are foreigners, there are an estimated 8,000 Christian citizens and that “several thousand” citizens have converted, mostly to Protestant churches.

Foreign-resident Christian leaders estimate the foreign-resident Christian population numbers at least 30,000 Roman Catholics and an estimated 10,000 Protestants, many of whom are recent migrants from sub-Saharan Africa or lifelong residents of the country whose families have resided and worked in the country for generations but do not hold citizenship. There are small foreign-resident Anglican communities in Casablanca and Tangier. There are an estimated 3000 foreign-residents who identify as Russian and Greek Orthodox, including a small foreign-resident Russian Orthodox community in Rabat and a small foreign-resident Greek Orthodox community in Casablanca. Most foreign-resident Christians live in the Casablanca, Tangier, and Rabat urban areas, but small numbers of foreign Christians are present throughout the country, including many who are migrants from sub-Saharan Africa.

Shia Muslim leaders estimate there are several thousand Shia citizens, with the largest proportion in the north. In addition, there are an estimated 1,000 to 2,000 foreign-resident Shia from Lebanon, Syria, and Iraq. Leaders of the Ahmadi Muslim community estimate their numbers at 600. Leaders of the Baha’i community estimate there are 350-400 members throughout the country.

BBC Arabic reports that 15 percent of the population identifies as nonreligious, up from under 5 percent in 2013.