Protestant: Mainline vs. Evangelical Family: Total: US % Examples: Type: Baptist 38,662,005 25.3 % Southern Baptist Convention Evangelical American Baptist Churches in the U.S.A. Mainline Pentecostal 13,673,149 8.9 % Assemblies of God Evangelical Lutheran 7,860,683 5.1 % Evangelical Lutheran Church in America Mainline Lutheran Church -- Missouri Synod Evangelical Presbyterian / Reformed 5,844,855 3.8 % Presbyterian Church (U.S.A.) Mainline Presbyterian Church in America Evangelical Methodist 5,473,129 3.6 % United Methodist Church Mainline African Methodist Episcopal Zion Church Evangelical Anglican 2,323,100 1.5 % Episcopal Church Mainline Anglican Church in North America Evangelical Adventist 2,203,600 1.4 % Seventh - day Adventist Church Evangelical Holiness 2,135,602 1.4 % Church of the Nazarene Evangelical Other Groups 1,366,678 0.9 % Church of the Brethren Evangelical Friends General Conference Mainline
most popular form of christianity in united states
Baptist Baptist Baptist