Membership, Community, Diversity

How many people in the world identify themselves as Christian as of 2011, according to the Hartford Institute for Religion?

There were approximately 2.1 billion Christians in the world as of 2011. The table below lists the twenty-five largest Christian denominations in the United States as of 2011.

Denomination U.S. Population (in millions)
Roman Catholic Church 68.5
Southern Baptist Convention 16.16
United Methodist 7.8
Latter-day Saints (Mormons) 6.1
Church of God in Christ 5.5
National Baptist Convention, U.S.A. 5
Evangelical Lutheran Church in America 4.54
National Baptist Convention of America 3.5
Assemblies of God 2.91
Presbyterian Church (U.S.A.) 2.77
African Methodist Episcopal Church 2.5
National Missionary Baptist Convention of America 2.5
Lutheran Church—Missouri Synod (LCMS) 2.31
Episcopal Church 2
Churches of Christ 1.64
Greek Orthodox Archdiocese of America 1.5
Pentecostal Assemblies of the World 1.5
African Methodist Episcopal Zion Church 1.4
American Baptist Churches in the U.S.A. 1.31
Jehovah’s Witnesses 1.16
United Church of Christ 1.1
Church of God (Cleveland, Tennessee) 1.07
Christian Churches and Churches of Christ 1.07
Seventh-Day Adventist Church 1.04
Progressive National Baptist Convention 1.01


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