| Group | Where | Number of Adherents |
% of total pop. |
Number of congreg./ churches/ units |
Number of countries |
Year | Source | Quote/ Notes |
|---|---|---|---|---|---|---|---|---|
| Catholic | USA | 12,000,000 | - | - | - | 1900 | Marty, Martin E. Pilgrims in Their Own Land: 500 Years of Religion in America. Boston: Little, Brown and Co. (1984); pg. 272. | "In 1800 only 50,000 Catholics lived in the United States; by 1850, theirs was the largest church in America, and in 1900 it claimed 12,000,000 members. " |
| Catholic | USA | 10,775,000 | - | - | - | 1901 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | 10,977,000 | - | - | - | 1902 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | 11,290,000 | - | - | - | 1903 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | 11,887,000 | - | - | - | 1904 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | 12,463,000 | - | - | - | 1905 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | 12,652,000 | - | - | - | 1906 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | 14,000,000 | 17.00% | - | - | 1906 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "Indeed, the largest increase in the proportion who were Catholic occurred between 1890, when the census recorded more than 7 million Catholics (making up 12 percent of the population), and 1906, when the census found more than 14 million Catholics (making up 17 percent of the population). " |
| Catholic | USA | 14,211,000 | 17.00% | - | - | 1906 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 114. | Table 4.1: "Catholics as Percentage of Total Population and Church Adherents, 1850-1926 "; "Source: The years 1850, 1860, 1870 are based on membership estimates (Finke and Stark, 1986). Other years from Bureau of the Census. " [32% of adherents] |
| Catholic | USA | - | 16.00% | - | - | 1906 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 13,089,000 | - | - | - | 1907 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1907 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 13,877,000 | - | - | - | 1908 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1908 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 14,235,000 | - | - | - | 1909 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1909 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 14,347,000 | - | - | - | 1910 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1910 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 14,619,000 | - | - | - | 1911 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1911 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 15,016,000 | - | - | - | 1912 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1912 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 15,154,000 | - | - | - | 1913 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1913 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 16,068,000 | - | - | - | 1914 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1914 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 16,309,000 | - | - | - | 1915 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1915 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 16,584,000 | - | - | - | 1916 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | 15,722,000 | 16.00% | - | - | 1916 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 114. | Table 4.1: "Catholics as Percentage of Total Population and Church Adherents, 1850-1926 "; "Source: The years 1850, 1860, 1870 are based on membership estimates (Finke and Stark, 1986). Other years from Bureau of the Census. " [30% of adherents] |
| Catholic | USA | - | 16.00% | - | - | 1916 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | - | 16.00% | - | - | 1916 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 256. | "From 1916 through the 1930s Catholic adherents had hovered between 150 and 160 per 1,000 population [in the U.S.]. " |
| Catholic | USA | 17,023,000 | - | - | - | 1917 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1917 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 17,416,000 | - | - | - | 1918 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1918 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 17,549,000 | - | - | - | 1919 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1919 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 17,736,000 | - | - | - | 1920 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1920 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 20,000,000 | - | - | - | 1920 | *LINK* web site: Secular Web (1 Jan. 1999); web page: "The Lies And Fallacies Of The Encyclopedia Britanica How Powerful And Shameless Clerical Forces Castrated A Famous Work Of Reference " by Joseph McCabe; "Copyright Internet Infidels 1995-1998. " | "One of the arch-sophists of the American regiment of propagandists, Mgr. Peter Guilday, is permitted to tell the situation of the church in the world today. It is enough to repeat what he says about America. He says that in 1920 there were 22,233,254 Catholics in America so there were probably about 25,000,000 (the Catholic Directory claimed only 20,000,000) in 1928. " |
| Catholic | USA | 22,233,254 | - | - | - | 1920 | *LINK* web site: Secular Web (1 Jan. 1999); web page: "The Lies And Fallacies Of The Encyclopedia Britanica How Powerful And Shameless Clerical Forces Castrated A Famous Work Of Reference " by Joseph McCabe; "Copyright Internet Infidels 1995-1998. " | "One of the arch-sophists of the American regiment of propagandists, Mgr. Peter Guilday, is permitted to tell the situation of the church in the world today. It is enough to repeat what he says about America. He says that in 1920 there were 22,233,254 Catholics in America so there were probably about 25,000,000 (the Catholic Directory claimed only 20,000,000) in 1928. " |
| Catholic | USA | 17,886,000 | - | - | - | 1921 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1921 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 18,105,000 | - | - | - | 1922 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1922 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 18,261,000 | - | - | - | 1923 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1923 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 18,560,000 | - | - | - | 1924 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1924 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 18,654,000 | - | - | - | 1925 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1925 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | 18,879,000 | - | - | - | 1926 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 " |
| Catholic | USA | - | 16.00% | - | - | 1926 | Ahlstrom, Sydney E. A Religious History of the American People; Yale University Press: New Haven & London (1973); pg. 1002. | Table showing percentage of U.S. population who are Protestant or Roman Catholic, in 1926, 1940, 1950, 1955, and 1958. |
| Catholic | USA | 18,605,000 | 16.00% | - | - | 1926 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 114. | Table 4.1: "Catholics as Percentage of Total Population and Church Adherents, 1850-1926 "; "Source: The years 1850, 1860, 1870 are based on membership estimates (Finke and Stark, 1986). Other years from Bureau of the Census. " [28% of adherents] |
| Catholic | USA | - | 16.00% | - | - | 1926 | Finke, Roger & Rodney Stark. The Churching of America, 1776-1990. New Brunswick, NJ: Rutgers University Press (1992; 3rd printing 1997); pg. 113. | "From 1906 through 1926 the Catholic 'market share' remained constant at 16 percent of the [U.S.] population. " |
| Catholic | USA | - | 16.00% | - | - | 1926 | Herberg, Will. Protestant-Catholic-Jew: An Essay in American Religious Sociology; Garden City, NY: Doubleday & Company (1960). [Source: Yearbook of American Churches, edition for 1960, pp. 261-62]; pg. 160. | Table: "Percentage of total population (Protestants, Catholics) " |
| Catholic | USA | 18,608,004 | - | - | - | 1926 | Mead, Frank S. (revised by Samuel S. Hill), Handbook of Denominations in the United States (9th Ed.), Abingdon Press: Nashville, Tenn. (1990); pg. 218. | "There were 18,608,003 Catholics in the U.S. in 1926. " |
| Catholic | USA | 19,483,000 | - | - | - | 1927 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 "; Catholics: "Beginning 1923, incl... Alaska, & [since] 1927, in Hawaii. " |
| Catholic | USA | 19,689,000 | - | - | - | 1928 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 "; Catholics: "Beginning 1923, incl... Alaska, & [since] 1927, in Hawaii. " |
| Catholic | USA | 25,000,000 | - | - | - | 1928 | *LINK* web site: Secular Web (1 Jan. 1999); web page: "The Lies And Fallacies Of The Encyclopedia Britanica How Powerful And Shameless Clerical Forces Castrated A Famous Work Of Reference " by Joseph McCabe; "Copyright Internet Infidels 1995-1998. " | "One of the arch-sophists of the American regiment of propagandists, Mgr. Peter Guilday, is permitted to tell the situation of the church in the world today. It is enough to repeat what he says about America. He says that in 1920 there were 22,233,254 Catholics in America so there were probably about 25,000,000 (the Catholic Directory claimed only 20,000,000) in 1928. " |
| Catholic | USA | 20,113,000 | - | - | - | 1929 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 "; Catholics: "Beginning 1923, incl... Alaska, & [since] 1927, in Hawaii. " |
| Catholic | USA | 20,204,000 | - | - | - | 1930 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 "; Catholics: "Beginning 1923, incl... Alaska, & [since] 1927, in Hawaii. " |
| Catholic | USA | 20,215,000 | - | - | - | 1931 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 "; Catholics: "Beginning 1923, incl... Alaska, & [since] 1927, in Hawaii. " |
| Catholic | USA | 20,236,000 | - | - | - | 1932 | Historical Statistics of the United States: Colonial Times to 1970; Washington, D.C.: U.S. Dept. of Commerce, Bureau of Census (1975); pg. 391-392. | Table: "Membership of Selected Religious Bodies: 1790 to 1970 "; Catholics: "Beginning 1923, incl... Alaska, & [since] 1927, in Hawaii. " |