Code	Group	Adherents	Average Attendance	Ratio of Attendance to Adherents
011	Allegheny Wesleyan Methodist Connection	1,864	5,721	306.9%
019	American Baptist Churches in the USA	1,767,462	661,225	37.4%
040	Apostolic Christian Church of America, Inc.	23,980	23,980	100.0%
039	Apostolic Christian Churches (Nazarean)	4,393	4,367	99.4%
053	Assemblies of God	2,561,998	1,623,889	63.4%
220	Association of Free Lutheran Congregations, The	32,098	16,066	50.1%
057	Baptist General Conference	238,920	200,651	84.0%
059	Baptist Missionary Association of America	295,239	91,334	30.9%
071	Brethren Church, The (Ashland, Ohio)	16,266	12,367	76.0%
075	Brethren In Christ Church	25,512	23,961	93.9%
093	Christian Church (Disciples of Christ)	1,017,784	265,282	26.1%
105	Christian Reformed Church in North America	248,938	149,378	60.0%
107	Christian Union	7,319	5,381	73.5%
123	Church of God (Anderson, Indiana)	238,609	238,609	100.0%
127	Church of God (Cleveland, Tennessee)	974,198	473,753	48.6%
121	Church of God General Conference	4,925	3,900	79.2%
157	Church of the Brethren	171,281	71,518	41.8%
165	Church of the Nazarene	907,331	502,094	55.3%
167	Churches of Christ	1,645,584	1,256,845	76.4%
171	Churches of God, General Conference	42,204	27,459	65.1%
179	Conservative Baptist Association of America	224,306	224,306	100.0%
181	Conservative Congregational Christian Conference	50,940	30,210	59.3%
183	Conservative Mennonite Conference	14,865	12,483	84.0%
193	Episcopal Church	2,314,756	836,143	36.1%
201	Evangelical Covenant Church, The	153,116	124,533	81.3%
203	Evangelical Free Church of America, The	285,699	283,549	99.2%
207	Evangelical Lutheran Church in America	5,113,418	1,560,712	30.5%
213	Evangelical Mennonite Church	6,625	10,347	156.2%
211	Fellowship of Evangelical Bible Churches	1,811	1,360	75.1%
221	Free Methodist Church of North America	96,237	90,777	94.3%
388	General Association of Regular Baptist Churches	245,636	205,631	83.7%
498	Independent, Charismatic Churches	935,168	598,434	64.0%
499	Independent, Non-Charismatic Churches	1,116,769	854,622	76.5%
263	International Church of the Foursquare Gospel	347,367	325,456	93.7%
264	International Churches of Christ	79,161	96,747	122.2%
265	International Pentecostal Church of Christ	5,453	2,321	42.6%
349	International Pentecostal Holiness Church	241,828	147,569	61.0%
283	Lutheran Church--Missouri Synod	2,521,062	968,073	38.4%
288	Mennonite Church USA	156,345	106,386	68.0%
296	Midwest Congregational Christian Fellowship	1,705	1,451	85.1%
291	Missionary Church, The	49,528	48,475	97.9%
267	Muslim Estimate	1,559,294	353,738	22.7%
175	National Association of Congregational Christian Churches	84,380	37,724	44.7%
313	North American Baptist Conference	59,545	49,762	83.6%
324	Old Order River Brethren	540	485	89.8%
335	Orthodox Presbyterian Church, The	26,346	21,728	82.5%
355	Presbyterian Church (U.S.A.)	3,141,566	1,303,216	41.5%
356	Presbyterian Church in America	315,293	220,168	69.8%
371	Reformed Church in America	335,677	164,349	49.0%
403	Salvation Army, The	415,060	96,171	23.2%
419	Southern Baptist Convention	19,881,467	5,535,891	27.8%
443	United Church of Christ	1,698,918	568,552	33.5%
449	United Methodist Church, The	10,350,629	3,487,039	33.7%
290	Universal Fellowship of Metropolitan Community Churches	23,440	18,317	78.1%
463	Vineyard USA	155,170	99,954	64.4%
467	Wesleyan Church, The	381,459	169,152	44.3%
469	Wisconsin Evangelical Lutheran Synod	405,078	179,837	44.4%
	Totals	63,021,562	24,493,448	38.9%