There are differences between how the ARDA coded denominations into larger religious families and how these denominations are classified by the Religious Congregations and Membership Study, 2010. The following listing shows the RCMS and ARDA codings for each of the 236 denominations that participated in the 2010 study.
| Denomination | RCMS 2010 | ARDA |
| (Original) Church of God |
Pentecostal Family |
Pentecostal |
| African Methodist Episcopal Church |
Methodist Family |
Methodist/Pietist |
| African Methodist Episcopal Zion Church |
Methodist Family |
Methodist/Pietist |
| Albanian Orthodox Diocese of America |
Eastern Orthodox Family |
Eastern Liturgical (Orthodox) |
| Allegheny Wesleyan Methodist Connection |
Methodist Family |
Methodist/Pietist |
| Alliance of Baptists |
Baptist Family |
Baptist |
| Amana Church Society |
Unassigned |
Communal |
| Ambassadors Amish-Mennonite |
Mennonite Family |
European Free-Church |
| American Association of Lutheran Churches |
Lutheran Family |
Lutheran |
| American Baptist Association |
Baptist Family |
Baptist |
| American Baptist Churches in the USA |
Baptist Family |
Baptist |
| American Carpatho-Russian Orthodox Diocese |
Eastern Orthodox Family |
Eastern Liturgical (Orthodox) |
| American Presbyterian Church |
Presbyterian Family |
Presbyterian-Reformed |
| Amish Groups, undifferentiated |
Mennonite Family |
European Free-Church |
| Anglican Church in North America |
Episcopal Family |
Episcopalianism/Anglicanism |
| Antiochian Orthodox Christian Archdiocese of North America |
Eastern Orthodox Family |
Eastern Liturgical (Orthodox) |
| Apostolic Christian Church of America, Inc. |
Unassigned |
European Free-Church |
| Apostolic Faith Mission of Portland, OR |
Pentecostal Family |
Pentecostal |
| Apostolic Lutheran Church of America |
Lutheran Family |
Lutheran |
| Armenian Apostolic Church of America (Catholicosate of Cilicia) |
Oriental Orthodox Family |
Eastern Liturgical (Orthodox) |
| Armenian Church of North America (Catholicosate of Etchmiadzin) |
Oriental Orthodox Family |
Eastern Liturgical (Orthodox) |
| Armenian Evangelical Churches (Additional) |
Congregational Christian Family |
Presbyterian-Reformed |
| Assemblies of God |
Pentecostal Family |
Pentecostal |
| Assemblies of God International Fellowship |
Pentecostal Family |
Pentecostal |
| Associate Reformed Presbyterian Church |
Presbyterian Family |
Presbyterian-Reformed |
| Association of Free Lutheran Congregations |
Lutheran Family |
Lutheran |
| Association of Messianic Congregations |
Messianic Judaism Family |
Judaism |
| Association of Reformed Baptist Churches of America |
Baptist Family |
Baptist |
| Bahá'í |
Unassigned |
Other Groups |
| Beachy Amish-Mennonite Churches |
Mennonite Family |
European Free-Church |
| Berea Amish-Mennonite |
Mennonite Family |
European Free-Church |
| Bible Fellowship Church |
Mennonite Family |
Holiness |
| Bible Presbyterian Church (General Synod) |
Presbyterian Family |
Presbyterian-Reformed |
| Brethren Church (Ashland, Ohio) |
Brethren Family |
European Free-Church |
| Brethren In Christ Church |
Brethren Family |
European Free-Church |
| Bruderhof Communities, Inc. |
Mennonite Family |
European Free-Church |
| Bulgarian Eastern Orthodox Diocese of the USA, Canada and Australia |
Eastern Orthodox Family |
Eastern Liturgical (Orthodox) |
| Calvary Chapel Fellowship Churches |
Unassigned |
Pentecostal |
| Canadian and American Reformed Churches |
Reformed Family |
Presbyterian-Reformed |
| Catholic Church |
Unassigned |
Catholicism |
| Central Yearly Meeting of Friends |
Friends Family |
European Free-Church |
| Christian and Missionary Alliance |
Unassigned |
Holiness |
| Christian Brethren |
Unassigned |
Ind. Fundamentalist |
| Christian Church (Disciples of Christ) |
Christian Family |
Baptist |
| Christian Churches and Churches of Christ |
Christian Family |
Baptist |
| Christian Methodist Episcopal Church |
Methodist Family |
Methodist/Pietist |
| Christian Reformed Church in North America |
Reformed Family |
Presbyterian-Reformed |
| Christian Union |
Unassigned |
Other Groups |
| Church of Christ (Holiness), U.S.A. |
Unassigned |
Holiness |
| Church of Christ, Scientist |
Unassigned |
Christian Science |
| Church of God (Anderson, Indiana) |
Church of God Family |
Holiness |
| Church of God (Cleveland, Tennessee) |
Pentecostal Family |
Pentecostal |
| Church of God (Seventh Day) |
Unassigned |
Adventist |
| Church of God by Faith, Inc. |
Pentecostal Family |
Pentecostal |
| Church of God General Conference |
Unassigned |
Adventist |
| Church of God in Christ |
Pentecostal Family |
Pentecostal |
| Church of God in Christ, Mennonite |
Mennonite Family |
European Free-Church |
| Church of God of Prophecy |
Pentecostal Family |
Pentecostal |
| Church of God of the Apostolic Faith, Inc. |
Pentecostal Family |
Pentecostal |
| Church of God, Mountain Assembly, Inc. |
Pentecostal Family |
Pentecostal |
| Church of Jesus Christ of Latter-day Saints |
Latter-day Saints Family |
Latter-day Saints |
| Church of Our Lord Jesus Christ of the Apostolic Faith, Inc. |
Pentecostal Family |
Pentecostal |
| Church of the Brethren |
Brethren Family |
European Free-Church |
| Church of the Lutheran Brethren of America |
Lutheran Family |
Lutheran |
| Church of the Lutheran Confession |
Lutheran Family |
Lutheran |
| Church of the Nazarene |
Unassigned |
Holiness |
| Church of the United Brethren in Christ |
Unassigned |
Methodist/Pietist |
| Churches of Christ |
Christian Family |
Baptist |
| Churches of Christ in Christian Union |
Unassigned |
Holiness |
| Churches of God, General Conference |
Church of God Family |
Presbyterian-Reformed |
| Communion of Reformed Evangelical Churches |
Reformed Family |
Presbyterian-Reformed |
| Community of Christ |
Latter-day Saints Family |
Latter-day Saints |
| Congregational Christian Churches, Additional (not part of any national CCC body) |
Congregational Christian Family |
Presbyterian-Reformed |
| Congregational Holiness Church |
Pentecostal Family |
Pentecostal |
| Congregational Methodist Church |
Methodist Family |
Methodist/Pietist |
| Conservative Baptist Association of America |
Baptist Family |
Baptist |
| Conservative Congregational Christian Conference |
Congregational Christian Family |
Presbyterian-Reformed |
| Conservative Judaism |
Judaism Family |
Judaism |
| Conservative Lutheran Association |
Lutheran Family |
Lutheran |
| Conservative Mennonite Conference |
Mennonite Family |
European Free-Church |
| Conservative Yearly Meetings of Friends |
Friends Family |
European Free-Church |
| Convention of Original Free Will Baptists |
Baptist Family |
Baptist |
| Converge Worldwide/Baptist General Conference |
Baptist Family |
Baptist |
| Coptic Orthodox Church |
Oriental Orthodox Family |
Eastern Liturgical (Orthodox) |
| Covenant Reformed Presbyterian Church |
Presbyterian Family |
Presbyterian-Reformed |
| Cumberland Presbyterian Church |
Presbyterian Family |
Presbyterian-Reformed |
| Cumberland Presbyterian Church in America |
Presbyterian Family |
Presbyterian-Reformed |
| Elim Fellowship |
Pentecostal Family |
Pentecostal |
| Enterprise Baptists Association |
Baptist Family |
Baptist |
| Episcopal Church |
Episcopal Family |
Episcopalianism/Anglicanism |
| Eritrean Orthodox |
Oriental Orthodox Family |
Eastern Liturgical (Orthodox) |
| Ethiopian Orthodox |
Oriental Orthodox Family |
Eastern Liturgical (Orthodox) |
| Evangelical Association of Reformed, and Congregational Christian Churches |
Unassigned |
Presbyterian-Reformed |
| Evangelical Church |
Unassigned |
Holiness |
| Evangelical Congregational Church |
Unassigned |
Methodist/Pietist |
| Evangelical Covenant Church |
Unassigned |
Methodist/Pietist |
| Evangelical Free Church of America |
Unassigned |
Methodist/Pietist |
| Evangelical Friends Church International |
Friends Family |
European Free-Church |
| Evangelical Lutheran Church in America |
Lutheran Family |
Lutheran |
| Evangelical Lutheran Synod |
Lutheran Family |
Lutheran |
| Evangelical Methodist Church |
Methodist Family |
Methodist/Pietist |
| Evangelical Presbyterian Church |
Presbyterian Family |
Presbyterian-Reformed |
| Federation of Reformed Churches |
Reformed Family |
Presbyterian-Reformed |
| Fellowship of Evangelical Bible Churches |
Mennonite Family |
European Free-Church |
| Fellowship of Evangelical Churches |
Mennonite Family |
European Free-Church |
| Foursquare Gospel, International Church of the |
Pentecostal Family |
Pentecostal |
| Free Church of Scotland (Continuing) |
Presbyterian Family |
Presbyterian-Reformed |
| Free Methodist Church of North America |
Methodist Family |
Holiness |
| Free Presbyterian Church of North America |
Presbyterian Family |
Presbyterian-Reformed |
| Free Reformed Church of North America |
Reformed Family |
Presbyterian-Reformed |
| Free Will Baptists, National Association of |
Baptist Family |
Baptist |
| Friends General Conference |
Friends Family |
European Free-Church |
| Friends General Conference and Friends United Meeting, dually aligned meetings |
Friends Family |
European Free-Church |
| Friends United Meeting |
Friends Family |
European Free-Church |
| Full Gospel Baptist Church Fellowship |
Pentecostal Family |
Baptist |
| Fundamental Baptist Fellowship |
Baptist Family |
Baptist |
| General Association of Regular Baptist Churches |
Baptist Family |
Baptist |
| Georgian Orthodox Parishes in the United States |
Eastern Orthodox Family |
Eastern Liturgical (Orthodox) |
| Grace Brethren Churches, Fellowship of |
Brethren Family |
European Free-Church |
| Grace Gospel Fellowship |
Unassigned |
Ind. Fundamentalist |
| Greek Orthodox Archdiocese of America |
Eastern Orthodox Family |
Eastern Liturgical (Orthodox) |
| Heritage Reformed Churches |
Reformed Family |
Presbyterian-Reformed |
| Hindu Post Renaissance |
Hindu Family |
Other Groups |
| Hindu Renaissance |
Hindu Family |
Other Groups |
| Holy Orthodox Church in North America |
Eastern Orthodox Family |
Eastern Liturgical (Orthodox) |
| Hungarian Reformed Churches (Additional) |
Reformed Family |
Presbyterian-Reformed |
| Hutterian Brethren |
Mennonite Family |
Communal |
| Independent Baptist Fellowship International |
Baptist Family |
Baptist |
| Independent Fundamental Churches of America |
Unassigned |
Ind. Fundamentalist |
| Independent Yearly Meetings of Friends |
Friends Family |
European Free-Church |
| Indian-American Hindu Temple Associations |
Hindu Family |
Other Groups |
| International Churches of Christ |
Christian Family |
Baptist |
| International Council of Community Churches |
Unassigned |
Presbyterian-Reformed |
| International Fellowship of Bible Churches |
Unassigned |
|
| International Fellowship of Christian Assemblies |
Pentecostal Family |
[Not Coded] |
| International Pentecostal Church of Christ |
Pentecostal Family |
Pentecostal |
| International Pentecostal Holiness Church |
Pentecostal Family |
Pentecostal |
| Jain |
Unassigned |
Other Groups |
| Jehovah's Witnesses |
Unassigned |
Adventist |
| Korean Presbyterian Church Abroad |
Presbyterian Family |
Presbyterian-Reformed |
| Korean Presbyterian Church in America |
Presbyterian Family |
Presbyterian-Reformed |
| Korean-American Presbyterian Church |
Presbyterian Family |
Presbyterian-Reformed |
| Lutheran Church--Missouri Synod |
Lutheran Family |
Lutheran |
| Lutheran Congregations in Mission for Christ |
Lutheran Family |
Lutheran |
| Macedonian Orthodox Church: American Diocese |
Eastern Orthodox Family |
Eastern Liturgical (Orthodox) |
| Mahayana Buddhism |
Buddhist Family |
Other Groups |
| Malankara Archdiocese of the Syrian Orthodox Church in North America |
Oriental Orthodox Family |
Eastern Liturgical (Orthodox) |
| Malankara Orthodox Syrian Church |
Oriental Orthodox Family |
Eastern Liturgical (Orthodox) |
| Maranatha Amish-Mennonite |
Mennonite Family |
European Free-Church |
| Mennonite Christian Fellowship |
Mennonite Family |
European Free-Church |
| Mennonite Church USA |
Mennonite Family |
European Free-Church |
| Metropolitan Community Churches, Universal Fellowship of |
Unassigned |
Other Groups |
| Midwest Beachy Amish-Mennonite |
Mennonite Family |
European Free-Church |
| Midwest Congregational Christian Fellowship |
Congregational Christian Family |
Presbyterian-Reformed |
| Missionary Church |
Unassigned |
Holiness |
| Moravian Church in America--Alaska Province |
Moravian Family |
Methodist/Pietist |
| Moravian Church in America--Northern Province |
Moravian Family |
Methodist/Pietist |
| Moravian Church in America--Southern Province |
Moravian Family |
Methodist/Pietist |
| Muslim Estimate |
Unassigned |
Other Groups |
| National Association of Congregational Christian Churches |
Congregational Christian Family |
Presbyterian-Reformed |
| National Baptist Convention of America, Inc. |
Baptist Family |
Baptist |
| National Baptist Convention, USA, Inc. |
Baptist Family |
Baptist |
| National Missionary Baptist Convention, Inc. |
Baptist Family |
Baptist |
| National Spiritualist Association of Churches |
Unassigned |
Spiritualist |
| New Apostolic Church of North America, National Organization of the |
Unassigned |
Other Groups |
| New Testament Association of Independent Baptist Churches |
Baptist Family |
Baptist |
| Non-denominational Christian Churches |
Unassigned |
[Not Coded] |
| North American Baptist Conference |
Baptist Family |
Baptist |
| North American Lutheran Church |
Lutheran Family |
Lutheran |
| Old Order River Brethren |
Brethren Family |
European Free-Church |
| Open Bible Standard Churches, Inc. |
Pentecostal Family |
Pentecostal |
| Orthodox Church in America |
Eastern Orthodox Family |
Eastern Liturgical (Orthodox) |
| Orthodox Judaism |
Judaism Family |
Judaism |
| Orthodox Presbyterian Church |
Presbyterian Family |
Presbyterian-Reformed |
| Patriarchal Parishes of the Russian Orthodox Church in the USA |
Eastern Orthodox Family |
Eastern Liturgical (Orthodox) |
| Pentecostal Church of God |
Pentecostal Family |
Pentecostal |
| Pentecostal Fire-Baptized Holiness Church |
Pentecostal Family |
Pentecostal |
| Pentecostal Free Will Baptist Church, Inc. |
Pentecostal Family |
Pentecostal |
| Pillar of Fire |
Unassigned |
Holiness |
| Polish National Catholic Church |
Old Catholic Family |
Catholicism |
| Presbyterian Church (U.S.A.) |
Presbyterian Family |
Presbyterian-Reformed |
| Presbyterian Church in America |
Presbyterian Family |
Presbyterian-Reformed |
| Presbyterian Reformed Church |
Presbyterian Family |
Presbyterian-Reformed |
| Primitive Baptists, Eastern District Association of |
Baptist Family |
Baptist |
| Primitive Methodist Church in the USA |
Methodist Family |
Methodist/Pietist |
| Progressive National Baptist Convention, Inc. |
Baptist Family |
Baptist |
| Protestant Reformed Churches in America |
Reformed Family |
Presbyterian-Reformed |
| Reconstructionist Judaism |
Judaism Family |
Judaism |
| Reform Judaism |
Judaism Family |
Judaism |
| Reformed Baptist Churches |
Baptist Family |
Baptist |
| Reformed Church in America |
Reformed Family |
Presbyterian-Reformed |
| Reformed Church in the United States |
Reformed Family |
Presbyterian-Reformed |
| Reformed Mennonite Church |
Mennonite Family |
European Free-Church |
| Reformed Presbyterian Church General Assembly |
Presbyterian Family |
Presbyterian-Reformed |
| Reformed Presbyterian Church Hanover Presbytery |
Presbyterian Family |
Presbyterian-Reformed |
| Reformed Presbyterian Church in the United States |
Presbyterian Family |
Presbyterian-Reformed |
| Reformed Presbyterian Church of North America |
Presbyterian Family |
Presbyterian-Reformed |
| Romanian Orthodox Archdiocese in Americas |
Eastern Orthodox Family |
Eastern Liturgical (Orthodox) |
| Russian Orthodox Church Outside of Russia |
Eastern Orthodox Family |
Eastern Liturgical (Orthodox) |
| Salvation Army |
Unassigned |
Holiness |
| Schwenkfelder Church |
Unassigned |
European Free-Church |
| Serbian Orthodox Church in North America |
Eastern Orthodox Family |
Eastern Liturgical (Orthodox) |
| Seventh Day Baptist General Conference, USA and Canada |
Baptist Family |
Baptist |
| Seventh-day Adventist Church |
Unassigned |
Adventist |
| Shinto |
Unassigned |
Other Groups |
| Sikh |
Unassigned |
Other Groups |
| Southern Baptist Convention |
Baptist Family |
Baptist |
| Southern Methodist Church |
Methodist Family |
Methodist/Pietist |
| Swedenborgian Church |
Unassigned |
Spiritualist |
| Syriac Orthodox Church of Antioch |
Oriental Orthodox Family |
Eastern Liturgical (Orthodox) |
| Tampico Amish-Mennonite |
Mennonite Family |
European Free-Church |
| Tao |
Unassigned |
Other Groups |
| Theravada Buddhism |
Buddhist Family |
Other Groups |
| Traditional Hindu Temples |
Hindu Family |
Other Groups |
| U.S. Mennonite Brethren |
Mennonite Family |
European Free-Church |
| Ukrainian Orthodox Church of the USA |
Eastern Orthodox Family |
Eastern Liturgical (Orthodox) |
| Unaffiliated Conservative Amish-Mennonite Church |
Mennonite Family |
European Free-Church |
| Unaffiliated Friends Meetings |
Friends Family |
European Free-Church |
| Union of Messianic Jewish Congregations |
Messianic Judaism Family |
Judaism |
| Unitarian Universalist Association of Congregations |
Unassigned |
Liberal |
| United Catholic Church, Inc. |
Old Catholic Family |
Catholicism |
| United Church of Christ |
Unassigned |
Presbyterian-Reformed |
| United Holy Church of America, Inc. |
Pentecostal Family |
Pentecostal |
| United Methodist Church |
Methodist Family |
Methodist/Pietist |
| United Pentecostal Church International |
Pentecostal Family |
Pentecostal |
| United Pentecostal Council of the Assemblies of God |
Pentecostal Family |
Pentecostal |
| United Reformed Churches in North America |
Reformed Family |
Presbyterian-Reformed |
| United Zion Church |
Brethren Family |
European Free-Church |
| Unity Churches, Association of |
Unassigned |
Other Groups |
| Unity of the Brethren |
Moravian Family |
Methodist/Pietist |
| Vajrayana Buddhism |
Buddhist Family |
Other Groups |
| Vicariate for the Palestinian/Jordanian Orthodox Christian Communities |
Eastern Orthodox Family |
Eastern Liturgical (Orthodox) |
| Vineyard USA |
Pentecostal Family |
Pentecostal |
| Wesleyan Church |
Methodist Family |
Holiness |
| Wisconsin Evangelical Lutheran Synod |
Lutheran Family |
Lutheran |
| Zoroastrian |
Unassigned |
Other Groups |
