Keywords: Members of no religious organizations in Iceland.svg The graph shows members of no religious organizations in Iceland as a function of time The numbers are percentages of the total population of Iceland The jump in 1996 can be explained with a scandal in the National Church involving the bishop A registration campaign by the atheist activist group Vantrú modestly helps to explain the rise in the last few years I don't know the cause of the large decline between 1950 and 1960 - one might suspect some sort of methodological artifact but that's not apparent in the data the 1960 census is exceptionally thorough and detailed but it's hard to see anything in previous census publications which would systematically overrepresent this group There are some issues of interpretations for the 19th century data; there are 3 people uden opgiven Trosbekjendelse in 1880 but even including them the percentage is 0 00 In the 1890 data there are 12 Fritænkere and 3 uden opgiven Trosbekjendelse The percentage is 0 02 whether the latter group is included or not Religious freedom was granted in 1874 in census data before that no-one is registered as outside religious organizations Graph created in Gnuplot Data originates from Statistics Iceland as published online for the period of 1990 and later http //statice is/Statistics/Population/Religious-organizations and as published in the periodical Hagtíðindi for the years 1964 1973 1974 and 1975-1989 data for 1964 published in 1966 - data for later years usually published the year after it is collected Older data is census data from Manntal á Íslandi and Folketællingen paa Island specifically Manntal á Íslandi 1 desember 1960 Reykjavík Hagstofa Íslands 1969 Manntal á Íslandi 1 desember 1950 Reykjavík Hagstofa Íslands 1958 Manntal á Íslandi 2 desember 1940 Reykjavík Hagstofa Íslands 1949 Manntal á Íslandi 2 desember 1930 Reykjavík Hagstofa Íslands 1937 Manntal á Íslandi 1 desember 1920 Reykjavík Hagstofa Íslands 1926 Manntal á Íslandi 1 desember 1910 Reykjavík Stjórnarráð Íslands 1913 Manntalið á Íslandi hinn 1 nóvember 1901 Kaupmannahöfn Statens statistiske Bureau 1904 Folketællingen paa Island den 1ste November 1890 Kjøbenhavn 1892 Folketællingen paa Island den 1ste Oktober 1880 København 1883 Folketællingen paa Island den 1ste Oktober 1860 København 1865 Folketællingen paa Island den 1 October 1855 Københvan 1857 The data is as follows <pre> 1880 0 00 1890 0 02 1901 0 08 1910 0 14 1920 0 22 1930 0 72 1940 1 54 1950 1 59 1960 1 09 1964 1 07 1973 1 07 1974 1 11 1976 1 15 1977 1 16 1978 1 18 1979 1 20 1980 1 19 1981 1 21 1982 1 21 1983 1 24 1984 1 26 1985 1 26 1986 1 26 1987 1 28 1988 1 35 1989 1 31 1990 1 32 1991 1 36 1992 1 37 1993 1 39 1994 1 42 1995 1 46 1996 1 95 1997 2 05 1998 2 09 1999 2 15 2000 2 25 2001 2 30 2002 2 33 2003 2 39 2004 2 44 2005 2 46 2006 2 60 2007 2 80 2008 2 90 </pre> Graph created and uploaded on May 31 2009 Graph created by uploader in Gnuplot Religion in Iceland |