As of 2020, according to the Association of Statisticians of American Religious Bodies, 56% of the city's residents were adherents of a religious body. The largest tradition represented was Evangelical Protestantism (15% of total population), followed by Catholicism (12%), Black Protestantism (10%), Mainline Protestantism (10%), Judaism (3%), Orthodox Christianity (2%), Buddhism (1%), and Islam (1%), with several other groups numbering less than 1%. Mainline Protestants were the largest group in 2010, Catholics in 2000, and Black Protestants in 1990. The city is populated with many religious buildings, including Washington National Cathedral, Basilica of the National Shrine of the Immaculate Conception, which comprises the largest Catholic church building in the United States, and the Islamic Center of Washington, which was the largest mosque in the Western Hemisphere when it opened in 1957. St. John's Episcopal Church, located off Lafayette Square, has held services for every U.S. president since James Madison. The Sixth & I Historic Synagogue, built in 1908, is a synagogue located in the Chinatown section of the city. The Washington D.C. Temple is a temple of the Church of Jesus Christ of Latter-day Saints, located just outside the city in Kensington, Maryland. Viewable from the Capital Beltway, the temple is the tallest temple of the church in existence, and is the third-largest by square footage.