^Hackett, Conrad. Global Christianity A Report on the Size and Distribution of the World's Christian Population(PDF). Pew–Templeton global religious futures project: 19, 27, 57, 60, 75, 83, 90, 119. December 2011 [2023-02-02]. (原始内容存档(PDF)于2019-08-01). Estimated 2010 Christian Population 31,850,000 (pages 19, 60, 75) Protestant 18,860,000 Catholic 10,570,000 Orthodox 2,370,000 Others 50,000 (pages 27, 83)
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