stylistic:tone
Religion

In a 2014 study by the Pew Research Center, 68% of the population of the city identified themselves as Christian. Approximately 41% of Christians in the city and area professed attendance at a variety of churches that could be considered Protestant, while 26% professed Catholic beliefs.

The Protestant Christian community in Philadelphia is dominated by mainline Protestant denominations including the Evangelical Lutheran Church in America, United Church of Christ, the Episcopal Church in the United States, Presbyterian Church (USA) and American Baptist Churches USA. One of the most prominent mainline Protestant jurisdictions is the Episcopal Diocese of Pennsylvania. The African Methodist Episcopal Church was established in Philadelphia. Historically, the city has strong connections to the Quakers, Unitarian Universalism, and the Ethical Culture movement, all of which continue to be represented in the city. The Quaker Friends General Conference is based in Philadelphia. Evangelical Protestants making up less than 15% of the population were also prevalent.

Evangelical Protestant bodies included the Anglican Church in North America, Lutheran Church—Missouri Synod, Presbyterian Church in America, and National Baptist Convention of America. The Catholic community is primarily served by the Latin Catholic Archdiocese of Philadelphia, the Ukrainian Catholic Archeparchy of Philadelphia, and the Syro-Malankara Catholic Eparchy of the United States of America and Canada, though some independent Catholic churches exist throughout Philadelphia and its suburbs. The Latin Church-based jurisdiction is headquartered in the city, and its see is the Cathedral Basilica of Saints Peter and Paul. The Ukrainian Catholic jurisdiction is headquartered in Philadelphia, and is seated at the Cathedral of the Immaculate Conception.

Less than 1% of Philadelphia's Christians were Mormons. The remainder of the Christian demographic is spread among smaller Protestant denominations and the Eastern and Oriental Orthodox among others. The Diocese of Eastern Pennsylvania (Orthodox Church in America) and Greek Orthodox Archdiocese of America (Ecumenical Patriarchate) divide the Eastern Orthodox in Philadelphia. The Russian Orthodox St. Andrew's Cathedral is in the city.The same study says that other religions collectively compose about 8% of the population, including Judaism, Hinduism, Islam, Buddhism, and Sikhism. Philadelphia has the fifth-largest Muslim population among U.S. cities. The remaining 24% claimed no religious affiliation.

The Philadelphia metropolitan area 's Jewish population was estimated at 206,000 in 2001, which was the sixth-largest in the U.S. at that time. Jewish traders were operating in southeastern Pennsylvania long before William Penn. Jews in Philadelphia took a prominent part in the War of Independence. Although the majority of the early Jewish residents were of Portuguese or Spanish descent, some among them had emigrated from Germany and Poland. About the beginning of the 19th century, a number of Jews from the latter countries, finding the services of the Congregation Mickvé Israel unfamiliar to them, resolved to form a new congregation which would use the ritual to which they had been accustomed.

African diasporic religions are practiced in some Latino and Hispanic and Caribbean communities in North and West Philadelphia.