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Appendix A: Religious Group Participation in the Longitudinal RCMS Files

3-digit Name RELTRAD Category 1980 1990 2000 2010 Notes CODE Advent Christian Church 001 Evangelical Protestant X X African Methodist Episcopal Church 003 Black Protestant X African Methodist Episcopal Zion Measurement after 1990 changed; 005 Black Protestant X X X Church not advisable to compare with 2010. Reported with Orthodox Church in Orthodox Church in America: 007 Orthodox C X M America (331) for 2010. See 331b Albanian Orthodox Archdiocese for combined grouping. Albanian Orthodox of America 009 Orthodox C X X Allegheny Wesleyan Methodist 011 Evangelical Protestant E X X X Connection Formed in 1987, split from Alliance of 012 C Southern Baptist Convention (419). Amana Church Society 015 Evangelical Protestant X X Ambassadors Mennonite 016 Evangelical Protestant X American Baptist Association 017 Evangelical Protestant X E X X American Baptist Churches in the USA 019 Mainline Protestant X X X X Formerly named "American American Carpatho-Russian Orthodox 022 Orthodox X X X Carpatho-Russian Orthodox Greek Greek Catholic Diocese Catholic Diocese of the U.S.A." Founded in 1977 out of the American Presbyterian Church 030 Evangelical Protestant X Presbyterian Church (069). Continuation of Old Order Amish count (323), but change in Amish Groups, undifferentiated 031 Evangelical Protestant X measurement prevents comparisons over time. Includes other Amish groups (032). Reported with Amish Groups, undifferentiated (031) along with Amish; Other Groups 032 Evangelical Protestant X Old Order Amish (323) in 2010. Not advisable to compare due to substantial measurement changes. Split from Episcopal Church (193) Anglican Church in North America 033 Evangelical Protestant M M M CE in 2009. See 193b for combined grouping. Antiochian Orthodox Christian 034 Orthodox X X Archdioceses of North America Apostolic Christian Church (Nazarean) 039 Evangelical Protestant X X X E Apostolic Christian Church of 040 Evangelical Protestant E X X X America, Inc. Apostolic Mission of Portland, 042 Evangelical Protestant X OR Assemblies of International 044 Evangelical Protestant C Fellowship Apostolic Lutheran Church of America 045 Evangelical Protestant X X C Association of Reformed Baptist 047 Evangelical Protestant C Churches of America Korean-American Presbyterian Church 048 Evangelical Protestant C Unadvisable to compare 1980 and Armenian Apostolic Church of 1990 counts with 2000 and 2010 America, Eastern Prelacy 049 Orthodox X X X X counts due to unspecified (Catholicosate of Cilicia) measurement changes. Armenian Apostolic Church 050 Orthodox X X (Catholicosate of Etchmiadzin) Armenian Evangelical Churches 051 Evangelical Protestant C (Additional) Korean Presbyterian Church in America (now named: Korean 052 Evangelical Protestant C Presbyterian Church Abroad) Assemblies of God 053 Evangelical Protestant X X X X Associate Reformed Presbyterian 055 Evangelical Protestant X X X X Church (General Synod) Baha'i 056 Other X X Baptist General Conference 057 Evangelical Protestant X X X X ("Converge Worldwide") Association of Messianic Congregations 058 Other C Baptist Association of 059 Evangelical Protestant X X X E America Barren River 060 Evangelical Protestant X Mennonite Churches 061 Evangelical Protestant X X X X Berea 062 Evangelical Protestant X Berean Fundamental Church 063 Evangelical Protestant X X Bethel Ministerial Association, Inc. 065 Evangelical Protestant X The Bible Church of Christ, Inc. 066 Black Protestant X X Bible Presbyterian Church (General 069 Evangelical Protestant C Synod) Reported with Hutterite Brethren , Inc. 070 Evangelical Protestant M X X (257) for 1990. See 257b for combined grouping. (Ashland, ) 071 Evangelical Protestant X X X X Bible Fellowship Church 073 Evangelical Protestant X Brethren in Christ Church 075 Evangelical Protestant X X X CE Counted as three groups ( - 890, - 891, - Buddhists 076 Other C 892) for 2010. Not advisable to compare the two years. Bulgarian Orthodox Diocese of the 078 Orthodox X X USA Belarusian Council of Orthodox 080 Orthodox C Churches in North America Counting procedure of adherents changed for 2010. Estimates are 081 Catholic X X X X lower than they were in 2000. Not advisable to compare adherents in 2010 to previous years. Central Baptists 082 Evangelical Protestant X Christ Catholic Church 083 Evangelical Protestant X X Calvary Chapel Fellowship Churches 084 Evangelical Protestant C C Reported with Friends (226) for Friends Central Yearly Meeting 085 Evangelical Protestant M M M X 1980, 1990, and 2000. See 226b for combined grouping. Canadian and American Reformed 086 Evangelical Protestant C Churches The Christian and Missionary Alliance 089 Evangelical Protestant X X X X Christian Catholic Church 091 Other X Christian Church (Disciples of Christ) 093 Mainline Protestant X X X X Christian Churches and Churches of 097 Evangelical Protestant X X X X Christ Not advisable to compare 1980 and Christian Methodist Episcopal Church 101 Black Protestant X X 2010 due to measurement changes. Christian Reformed Church in North 105 Evangelical Protestant X X X X America Christian Union 107 Evangelical Protestant X X CE Church of Christ (Holiness), USA 110 Evangelical Protestant C Church of Christ Scientist 111 Other C C Church of God of the Apostolic Faith, 120 Evangelical Protestant C Inc. Church of God General Conference 121 Evangelical Protestant X X X X (Abrahamic Faith) Church of God by Faith, Inc. 122 Evangelical Protestant C Church of God (Anderson, ) 123 Evangelical Protestant X X X X Unity Churches, Association of 124 Other C Church of God (Cleveland, TN) 127 Evangelical Protestant X X X X Formerly named "Church of God Church of God (Seventh-day) 133 Evangelical Protestant X X C (Seventh Day, Denver, CO)" Church of God in Christ 141 Black Protestant X Church of God in Christ (Mennonite) 143 Evangelical Protestant X X X X Church of God of 145 Evangelical Protestant E X X X Church of God of the Mountain 146 Evangelical Protestant X C Assembly, Inc. Church of Christ (Bickertonite) 149 Other X Counting procedure of adherents changed in 2010 to be more accurate and comparable to how The Church of Jesus Christ of Latter- 151 Other X X X X other denominations count. The day Saints number of adherents in 1980-2000 is underestimated and not comparable to 2010 counts. Church of Our Lord Jesus Christ of the 155 Black Protestant C Apostolic Faith, Inc. 157 Evangelical Protestant X X X X Church of the Lutheran Brethren of 163 Evangelical Protestant X X E X America

Church of the Lutheran Confession 164 Evangelical Protestant X X C

Church of the Nazarene 165 Evangelical Protestant X X X X Churches of Christ 167 Evangelical Protestant X X X X Churches of Christ in Christian Union 168 Evangelical Protestant C Churches of God General Conference 171 Evangelical Protestant E X X X Communion of Reformed Evangelical 172 Evangelical Protestant C Churches Formerly named “Reorganized Community of Christ 173 Other X X Church of Jesus Christ of Latter-day Saints.” National Association Of 175 Mainline Protestant X X X X Congregational Christian Churches Congregational Christian Churches 176 Mainline Protestant E X X X Additional Congregational Holiness Church 177 Evangelical Protestant X X Conservative Baptist Association of 179 Evangelical Protestant X C X CE America Congregational Methodist Church 180 Evangelical Protestant X Conservative Congregational Christian 181 Evangelical Protestant X X X X Conference Conservative Lutheran Association 182 Evangelical Protestant C Reported with the Mennonite Church (285) for 1980 and 1990, Conservative Mennonite Conference 183 Evangelical Protestant M M X X but reported separately for 2000 and 2010. See 288b for combined grouping. Covenant Reformed Presbyterian 184 Evangelical Protestant C Church Cumberland Presbyterian Church 185 Evangelical Protestant X X X X Coptic Orthodox Church 186 Orthodox CE X Cumberland Presbyterian Church in 187 Black Protestant C America Duck River and Kindred Baptists 189 Evangelical Protestant X X Associations Elim Fellowship 190 Evangelical Protestant C Enterprise Baptist 191 Evangelical Protestant X X CE Formerly named “Protestant Episcopal Church”. The Anglican Church in North American (033) The Episcopal Church 193 Mainline Protestant X X X X split from the Episcopal Church in 2009, resulting in separate reporting in the 2010 RCMS. See 193b for combined grouping. Combined group created for longitudinal file. Includes Anglican Episcopal Church Groups Combined 193b Mainline Protestant X X X X Church in North America (033) adherent and congregation counts for 2010. Estonian Evangelical Lutheran Church 195 Mainline Protestant X X

The Evangelical Church of North 197 Evangelical Protestant X C America

Evangelical Association of Reformed and Congregational Christian 198 Evangelical Protestant C Churches Evangelical 199 Evangelical Protestant X X E X Formerly named “The Evangelical Mission Covenant Church of The Evangelical Covenant Church 201 Evangelical Protestant X E X X America” and “The Evangelical Covenant Church of America”. Eritrean Orthodox 202 Orthodox X The Evangelical of 203 Evangelical Protestant X X X X America Ethiopian Orthodox 204 Orthodox C The 1988 merger of the American Lutheran Church, Lutheran Church in America, and Association of Evangelical Lutheran Churches. Data from all merging bodies were combined when the 1980 dataset Evangelical Lutheran Church in became available online. In 2009 207 Mainline Protestant X X X X America there was a . Two of the new Lutheran groups are in the 2010 RCMS: the Lutheran Congregations in Mission for Christ (255) and the North American Lutheran Church (314). See 207b for combined grouping. Combined group created for longitudinal file. Includes the Lutheran Congregations in Mission Evangelical Lutheran Church in 207b Mainline Protestant X X X X for Christ (255) and the North America Groups Combined American Lutheran Church (314) adherent and congregation counts for 2010. Evangelical Lutheran Synod 209 Evangelical Protestant X X E X Federation of Reformed Churches 210 Evangelical Protestant C Fellowship of Evangelical Bible Formerly named “Evangelical 211 Evangelical Protestant X X X X Churches Mennonite Brethren Conference” Formerly named “Evangelical Fellowship of Evangelical Churches 213 Evangelical Protestant X X X X Mennonite Church” Evangelical Methodist Church 215 Evangelical Protestant X X C

Evangelical Presbyterian Church 216 Evangelical Protestant E X X X The Fire Baptized Holiness Church 217 Black Protestant X X (Wesleyan) The Association of Free Lutheran 220 Evangelical Protestant X X X CE Congregations Free Methodist Church of North 221 Evangelical Protestant X X X X America Free Presbyterian Church of North 222 Evangelical Protestant C America Baptist, National Association 223 Evangelical Protestant E X X X of Inc. Free Church of Scotland (Continuing) 224 Evangelical Protestant C Formerly named "Five Years Meeting of Friends." Counted with Friends United Meeting 225 Mainline Protestant M M M X Friends (226) for 1980, 1990, and 2000. Reported separately in 2010. See 226b for combined grouping.

Included multiple Friends groups: Friends Central Yearly Meeting (085), Friends United Meeting (225), Conservative Yearly Meetings of Friends (390), Friends General Conference and Friends United Meeting, dually aligned Friends () 226 Mainline Protestant X X X M meetings (393), Evangelical Friends Church International (328), Independent Yearly Meetings of Friends (338), Unaffiliated Friends Meetings (389), and Friends General Conference (391) in 1980, 1990, and 200. Each group reported separately for 2010. Combined group created for longitudinal file. Includes Central Yearly Meeting of Friends (085), Friends United Meeting (225), Friends (Quakers) (226), Conservative Yearly Meetings of Friends (390), Friends General Conference and Friends United Friends Groups Combined 226b Mainline Protestant X X X X Meeting, dually aligned meetings (393), Evangelical Friends Church International (328), Independent Yearly Meetings of Friends (338), Unaffiliated Friends Meetings (389), and Friends General Conference (391) adherent and congregation counts. Free Reformed Church of North 227 Evangelical Protestant C America Fundamental Baptist Fellowship 228 Evangelical Protestant C Fundamental Methodist Conference, 230 Evangelical Protestant X X Inc. Full Baptist Church Fellowship 232 Black Protestant C General Church of the New Jerusalem 233 Other X Formerly named “Mennonite Mennonite Brethren Churches, U.S. Brethren Church of North America” 237 Evangelical Protestant X X X X Conference of and “General Conference of Mennonite Brethren Churches” General Convention of the New Jerusalem in the USA (The 239 Other X C Swedenborgian Church) General Six Principle Baptists 241 Evangelical Protestant X X Georgian Orthodox Parishes in the 242 Orthodox X Grace Gospel Fellowship 243 Evangelical Protestant C Fellowship of Grace Brethren Churches 244 Mainline Protestant X C Greek Orthodox Archdiocese of 245 Orthodox X Vasiloupulis Formerly named “Greek Greek Orthodox Archdiocese of North 246 Orthodox C X X Archdiocese of North and South and South America America”. The Holiness Church of God, Inc. 247 Evangelical Protestant X Heritage Reformed Churches 248 Evangelical Protestant X Formerly named “Holy Apostolic Holy Apostolic Catholic Assyrian 249 Orthodox X X Catholic Assyrian Church of the East” Holy Orthodox Church in North 251 Orthodox X X America Included four groups: Hindu Post Renaissance (641), Hindu Renaissance (642), Indian- American Hindu Temple 252 Other C Associations (643), and Traditional Hindu Temples (644). These reported separately in 2010. Not advisable to compare the two groups. Hungarian Reformed Churches 254 Mainline Protestant C Was counted with the ELCA and ACNA (314) for 1980 - 2000. Lutheran Congregations in Mission for 255 Evangelical Protestant M M M X Emerged in 2009 after schism with Christ the ELCA (207). See 207b for combined grouping. International Fellowship of Bible 256 Evangelical Protestant C Churches Counted with Bruderhof Hutterian Brethren 257 Evangelical Protestant X X CE Communities (070) in 1990. See 257b for combined grouping. Combined group created for longitudinal file. Includes Hutterian Bruderhof and Hutterian Groups 257b Evangelical Protestant X X X Brethren (257) and Bruderhof Combined Communities (070) adherent and congregation counts. Independent Free Will Baptists 258 Evangelical Protestant X Associations Independent Fundamental Churches of 259 Evangelical Protestant C C America International Fellowship of Christian 260 Evangelical Protestant C Assemblies Fellowship 261 Evangelical Protestant C International International Council of Community 262 Mainline Protestant X CE Churches International Church of the 263 Evangelical Protestant X X X X Foursquare Gospel International Churches of Christ 264 Evangelical Protestant X X International Pentecostal Church of 265 Evangelical Protestant E X X X Christ Interstate & Foreign Landmark 266 Evangelical Protestant X X Missionary Baptists The collection of counts was carried out by the same independent study, Muslim Estimate 267 Other X X but procedures differed somewhat between years; unclear whether 2000 and 2010 can be compared. Source of data changed between 2000 and 2010 and there is a Jains 268 Other C C decrease in the number of congregations; may not be advisable to compare between 2000 and 2010. Jasper and Pleasant Valley Baptists 269 Evangelical Protestant X X Included with the Jewish estimate (496) in 1980 - 2000. Measurement Conservative 270 Other X differences restrict comparisons over time. Included with the Jewish estimate (496) in 1980 - 2000. Measurement Reform Judaism 271 Other X differences restrict comparisons over time. Jehovah's Witnesses 272 Other C Landmark Missionary Baptist, Independent Associations and 273 Evangelical Protestant X Unaffiliated Churches The Latvian Evangelical Lutheran 274 Mainline Protestant X X Church in America Included with the Jewish estimate (496) in 1980 - 2000. Measurement Reconstructionist Judaism 275 Other X differences restrict comparisons over time. Included with the Jewish estimate (496) in 1980 - 2000. Measurement Orthodox Judaism 276 Other X differences restrict comparisons over time. Maranatha Amish Mennonite 278 Evangelical Protestant X Mennonite Christian Fellowship 282 Evangelical Protestant X Lutheran Church, The Missouri Synod 283 Evangelical Protestant X X X X Split off in 1987 following the merger of four other Lutheran American Association of Lutheran groups into the Evangelical 284 Evangelical Protestant X C Churches Lutheran Church in America (207). Not included in combined grouping (207b) Included the Conservative Mennonite Conference (183) in 1980. Merged into the Mennonite Mennonite Church 285 Evangelical Protestant X X M M Church USA (288) along with the General Conference Mennonite Church (287) in 2000. See 288b for combined grouping. Eastern Mennonite 286 Evangelical Protestant X X Church Merged with the Mennonite Church Mennonite Church General USA (288) along with the 287 Evangelical Protestant X X M M Conference, The Mennonite Church (285) in 2000. See 288b for combined grouping. Merger of the Mennonite Church (285) and Mennonite Church Mennonite Church USA 288 Evangelical Protestant M M X X General Conference (287). See 288b for combined grouping. Combined group created for longitudinal file. Includes the Conservative Mennonite Conference (183), Mennonite Mennonite Church Groups Combined 288b Evangelical Protestant X X X X Church (285), Mennonite Church General Conference (287) and Mennonite Church USA (288) adherent and congregation counts for 1980-2010. New Hope Baptist Association 289 Evangelical Protestant X X Metropolitan Community Churches, 290 Mainline Protestant X E X X Universal Fellowship The Missionary Church 291 Evangelical Protestant X X X X Counted with in Moravian Church in America, Alaska America Northern Province (293) in 292 Mainline Protestant M X X X province 1980. See 293b for combined grouping. Included Moravian Church in Moravian Church in America (Unitas America Alaska Province (292) in 293 Mainline Protestant X X X X Fratrum) North Province 1980.See 293b for combined grouping. Combined group created for longitudinal file. Includes adherent Moravian Church in America, Alaska and congregation counts from 293b Mainline Protestant X X X X and North Province Combined Alaska (292) and North Provinces (293) of the Moravian Church in America. Moravian Church in America (Unitas 295 Mainline Protestant X X X X Fratrum) South Province Midwest Congregational Christian 296 Evangelical Protestant E X X X Fellowship Mennonite; Other Groups 297 Evangelical Protestant X National Baptist Convention, USA, Inc. 300 Black Protestant X National Baptist Convention of 301 Black Protestant X America, Inc. National Missionary Baptist 302 Black Protestant X Convention, Inc. National Spiritualist Association of 303 Other C Churches National Primitive Baptist Convention, 304 Evangelical Protestant X USA Association Independent Baptist Churches and 306 Evangelical Protestant X other Fundamental Baptist Associations/Fellowships Netherlands Reformed Congregations 307 Evangelical Protestant X X New Testament Association of 308 Evangelical Protestant C Independent Baptist Churches National Organization of the New 309 Other C Apostolic Church of North America Midwest Beachy Amish Mennonite 310 Evangelical Protestant X Formerly named “North American North American Baptist Conference 313 Evangelical Protestant X X X X Baptist General Conference” Was counted with the ELCA and LCMC (255) for 1980 - 2000. North American Lutheran Church 314 Evangelical Protestant M M M CE Emerged in 2009 after schism with the ELCA (207). See 207b for combined grouping. Old Missionary Baptists Association 320 Evangelical Protestant X X Formerly named “Old Order 322 Evangelical Protestant X (Wisler) Mennonite Church Formerly named “Old Order Amish Mennonite Church." This group has been counted in different ways across collections. The 2010 counts Old Order Amish Church 323 Evangelical Protestant X X X are given a different code (031 - "Amish groups, undifferentiated"). It is not advisable to make over- time comparisons for this group. Old Order 324 Evangelical Protestant E X X X Old 325 Evangelical Protestant X (Original) Church of God 326 Evangelical Protestant C Formerly named “Oregon Yearly Meeting of Friends Church”. Counted with Friends (226) for Friends - Evangelical 328 Evangelical Protestant M M M X 1980, 1990, and 2000. Reported separately in 2010. See 226b for combined grouping. Open Bible Standard Churches, Inc. 329 Evangelical Protestant X C X Macedonian Orthodox Church: 330 Orthodox X X American Diocese Provided only congregations in 1990. Both congregations and adherents were reported in 2000 and 2010. Included the Albanian (007), Orthodox Church in America: Bulgarian (332), 331 Orthodox C X X Territorial Diocese Romanian (397) Orthodox groups in 2010. Not advisable to compare 1990 congregation count with later years. See 331b for combined grouping. Combined group created for longitudinal file. Includes Albanian Orthodox Church in America Groups (007), Bulgarian Dioceses (332), 331b Orthodox X X Combined Romanian (397) and Territorial Diocese (331) adherent and congregation counts.

Reported with the Territorial Orthodox Church in America: 332 Orthodox X M Diocese (331) in 2010. See 331b for Bulgarian Diocese combined grouping. Malankara Orthodox Syrian Church, 333 Orthodox X X American Diocese Malankara Archdiocese of the Syrian 334 Orthodox X X Orthodox Church in North America The Orthodox Presbyterian Church 335 Evangelical Protestant X E X X Convention of Original Free Will 336 Evangelical Protestant X X Baptists Vicariate for the Palestinian/Jordanian 337 Orthodox X Orthodox Christian Communities Formerly named "Pacific Yearly Meeting of Friends Church." Counted with Friends (226) for Friends - Independent Yearly Meetings 338 Mainline Protestant M M M X 1980, 1990, and 2000. Reported separately in 2010. See 226b for combined grouping. Pentecostal Church of God 339 Evangelical Protestant E X X X Pentecostal Fire Baptized Holiness 346 Evangelical Protestant C Church Pentecostal Church, 347 Evangelical Protestant X C Inc., The International Pentecostal Holiness Formerly named “The Pentecostal 349 Evangelical Protestant X X X X Church Holiness Church, Inc.” Pillar of Fire 350 Evangelical Protestant X Polish National Catholic Church 352 Catholic C Formerly named “Plymouth Christian Brethren 353 Evangelical Protestant X X C Brethren”. Provided only congregation Presbyterian Reformed Church 354 Evangelical Protestant C estimates. Merger of the Presbyterian Church in the United States and United Presbyterian Church in the USA. Presbyterian Church (USA) 355 Mainline Protestant X X X X The merge was agreed-upon in 1983 but data from all merging bodies were combined when the data were published online. Presbyterian Church in America 356 Evangelical Protestant X X X X Primitive Advent Christian Church 359 Evangelical Protestant X X The Primitive Baptist Church 360 Evangelical Protestant C Associations 361 Evangelical Protestant X Eastern District Association of 362 Evangelical Protestant X X Primitive Baptists Primitive Methodist Church USA 363 Evangelical Protestant X X X CE Progressive National Baptist 364 Black Protestant X Convention, Inc. Progressive Primitive Baptists 365 Evangelical Protestant X Korean Presbyterian Church Abroad 366 Evangelical Protestant C Formerly named “The Protestant The Protestant Conference (Lutheran) 367 Evangelical Protestant X X Conference of the Wisconsin Synod” Protestant Reformed Churches in 369 Evangelical Protestant X E X X America Reformed Baptist Churches 370 Evangelical Protestant C C Reformed Church in America 371 Mainline Protestant X X X X Reformed Church in the United States 373 Evangelical Protestant E X X X Reformed Episcopal Church 375 Evangelical Protestant X X Church 379 Evangelical Protestant X X Reformed Presbyterian Church 380 Evangelical Protestant C General Assembly Reformed Presbyterian Church 382 Evangelical Protestant C Hanover Presbytery This group was incorrectly labeled Reformed Presbyterian Church of as the Romanian Orthodox 383 Evangelical Protestant X X North America Episcopate of America in the 1980 standalone dataset. Reformed Presbyterian Church in the 385 Evangelical Protestant C United States Regular Baptists 386 Evangelical Protestant X General Association of Regular Baptist 388 Evangelical Protestant X CE Churches Included in Friends (226) for 1980, 1990 and 2000. Reported separately Friends - Unaffiliated Local Meetings 389 Mainline Protestant M M M CE in 2010. See 226b for combined grouping. Included with Friends (226) for 1980, 1990, and 2000. Reported separately in 2010. Formerly named Friends - Conservative 390 Evangelical Protestant M M M X "Religious Society of Friends (Conservative)." See 226b for combined grouping. Included with Friends (226) for 1980, 1990, and 2000. Reported separately in 2010. Formerly named Friends - General Conference 391 Mainline Protestant M M M X "Religious Society of Friends (General Conference)." See 226b for combined grouping. Included with Friends (226) for Friends - Dual General Conference and 1980, 1990, and 2000. Reported 393 Mainline Protestant M M M X United Meeting separately in 2010. See 226b for combined grouping. Formerly named “The Romanian Orthodox Church in America and Romanian Orthodox Archdiocese in the 395 Orthodox X X X .” Not advisable to compare Americas 1980 counts with later years due to measurement change. Provided only congregation estimates in 1990. Formerly named “Romanian Orthodox Episcopate of Orthodox Church in America: America”. Reported with the Romanian Orthodox Episcopate of 397 Orthodox C X M Territorial Diocese (code 331) in America 2010. Not advisable to compare 1990 counts with later years due to measurement change. See 331b for combined grouping. Patriarchal Parishes of the Russian 400 Orthodox CE X Orthodox Church in the USA Russian Orthodox Church Outside of 401 Orthodox CE X Russia The Army 403 Evangelical Protestant X X X X The 405 Evangelical Protestant X X 408 Other C in Christ 409 Evangelical Protestant X X Included New Gracanica Serbian Orthodox Church in the USA 410 Orthodox X X Metropolitanate (411) in 2010. See 410b for combined grouping. Combined group created for Serbian Orthodox Church in the USA longitudinal file. Includes both 410b Orthodox X X Groups Combined Serbian Orthodox (410 and 411) adherent and congregation counts. Merged with Serbian Orthodox Serbian Orthodox Church in the USA 411 Orthodox CE M Church in the USA (410) in 2010. (New Gracanica Metropolitanate) See 410b for combined grouping. Seventh-day Adventists 413 Evangelical Protestant X X X X Seventh-day Baptist General 415 Evangelical Protestant X X E X Conference Source of data changed between Sikhs 416 Other C C 2000 and 2010. Unclear if the two years are comparable. Social Brethren 417 Other X Southwide Baptist Fellowship 418 Evangelical Protestant C Congregational counts were updated in 2010 to include "missions", which were excluded from congregation enumerations in 1980-2000 data releases. This Southern Baptist Convention 419 Evangelical Protestant X X X X change results in the addition of nearly 9,000 congregations in the 2010 data compared to 2000. Not advisable to compare congregational counts between 2000 and 2010. Strict Baptists 420 Evangelical Protestant X The Southern Methodist Church 421 Evangelical Protestant X C Unadvisable to compare 1980 and Archdiocese of the Syrian Orthodox 1990 counts with 2000 and 2010 423 Orthodox X X X X Church of Antioch counts due to unspecified measurement changes. Tampico Amish Mennonite 424 Evangelical Protestant X Source of data changed between Taoists 425 Other C C 2000 and 2010. Unclear if the two years are comparable. Two-seed-in-the-Spirit Predestinarian 426 Evangelical Protestant X X Baptists Truevine Baptists Association 430 Evangelical Protestant X Formerly named: “Ukrainian Orthodox Church of America (Ecumenical Patriarchate)”. Due to Ukrainian Orthodox Church of the 431 Orthodox X C X X measurement changes, the 1980 and USA 1990 counts should not be compared with the 2000 and 2010 counts. Unaffiliated Conservative Amish 432 Evangelical Protestant X Mennonite Church Unitarian Universalist Association 435 Other X X X X United Baptists 436 Evangelical Protestant X Union of Messianic Jewish 437 Other C Congregations Church of the United Brethren in Formerly named “United Brethren 438 Evangelical Protestant X X Christ in Christ” United Catholic Church, Inc. 439 Catholic X United Christian Church 441 Evangelical Protestant X X 443 Mainline Protestant X X X X United Holy Church of America, Inc. 445 Black Protestant C Counting procedure of adherents changed in 2010 to be more accurate, but cannot be compared The , old 449 Mainline Protestant X X X X with past years. Counts in count longitudinal file are made consistent by using the older less accurate measure of adherents for 2010. The new more accurate counting The United Methodist Church, new 449N Mainline Protestant X X procedure for adherents is available count for 2000 and 2010 only. United Pentecostal Church 454 Evangelical Protestant C International United Reformed Churches in North 455 Evangelical Protestant X CE America United Pentecostal Council of the 456 Evangelical Protestant C Assemblies of God United Zion Church 459 Evangelical Protestant X X Unity of the Brethren 461 Evangelical Protestant C Vineyard USA 463 Evangelical Protestant X X Wayne Trail Missionary Baptists 466 Evangelical Protestant X X Association Formerly named “Wesley Methodist Church of America.” The Wesleyan Church 467 Evangelical Protestant X X X Counting methodology appears to differ across collections; not advisable to compare. Formerly named “Evangelical Wisconsin Evangelical Lutheran Synod 469 Evangelical Protestant X X X X Lutheran Joint Synod of Wisconsin and Other States” Source of data changed between Zoroastrian 490 Other C X 2000 and 2010. Unclear if the two years are comparable. Reported as separate groups in 2010: Conservative Judaism (270), Orthodox Judaism (276), Reconstructionist Judaism (275) Jewish Estimate (Conservatives, 496 Other X X X and Reform Judaism (271). The Reformed and Orthodox) 1980 and 2010 estimates differ from the 1990 and 2000 collections. Not advisable to compare beyond 1990-2000. Black Baptists Estimate 497 Black Protestant A Replaced by non-denominational Christian Churches (500) in 2010, Independent Charismatic Churches 498 Evangelical Protestant X X but the two are not comparable over time. Replaced by non-denominational Independent Non-Charismatic Christian Churches (500) in 2010, 499 Evangelical Protestant X X Churches but the two are not comparable over time. Includes both Charismatic (498) and non-Charismatic (499) churches, Non-denominational 500 Evangelical Protestant X but not comparable to the combined 1990 and 2000 counts. Reported with other Hindu groups Hindu Post Renaissance 641 Other X (252) for 2000. Collection procedures differ between years. Reported with other Hindu groups Hindu Renaissance 642 Other X (252) for 2000. Collection procedures differ between years. Reported with other Hindu groups Indian-American Hindu Temple 643 Other X (252) for 2000. Collection Associations procedures differ between years. Reported with other Hindu groups Traditional Hindu Temples 644 Other X (252) for 2000. Collection procedures differ between years. Reported with other Buddhist Mahayana 890 Other X groups (076) for 2000. Collection procedures differ between years. Reported with other Buddhist Theravada Buddhism 891 Other X groups (076) for 2000. Collection procedures differ between years. Reported with other Buddhist Vajrayana Buddhism 892 Other X groups (076) for 2000. Collection procedures differ between years.

X - Both adherent and congregation data are reported in the standalone datasets

C - Only congregation data were reported in the standalone datasets

A - Only adherent data were reported in the standalone dataset

M - The group was combined with another group in that year

E - The adherent and congregation counts were interpolated/extrapolated for this year

CE - The adherent count was estimated using congregation counts