发展最快的宗教com. [2 January 2012]. American Nones: The Profile of the No Religion Population (PDF). American Religious Identification Survey. 2008 [19 October 2012]
無教堂帶[2010-01-22]. (原始内容存档于2010-08-28) (英语). Kosmin, Barry A.; et al. American Religious Identification Survey (ARIS 2008) (PDF). Trinity College. 2009 [2010-01-22].
美國人蘭教和猶太教,這些教徒佔成年人口的4%至5%。另有15%的成年人自認沒有宗教信仰。根據美國宗教認同調查(英语:American Religious Identification Survey),全美各地的宗教信仰差異很大:美國西部(無教堂帶)有59%的人信神,而南部(聖經帶)則有86%。
新罗马 (组织)spiritual revival based on the concept of a 'New Rome'. American Religious Identification Survey," by The Graduate Center of the City University of New
亚拉巴马州(原始内容存档于2015-05-15). Barry A. Kosmin; Ariela Keysar. AMERICAN RELIGIOUS IDENTIFICATION SURVEY (ARIS) 2008 (PDF). Hartford, Connecticut, USA: Trinity College: