↑"World". CIA world facts. Ilihifadhiwa kwenye nyaraka kutoka chanzo mnamo 2010-01-05. Iliwekwa mnamo 2014-04-19. {{cite web}}: Unknown parameter |= ignored (help)
↑"Global Christianity"(PDF). Pew Research Center. Desemba 2011. Ilihifadhiwa kwenye nyaraka kutoka chanzo(PDF) mnamo 2013-07-23. Iliwekwa mnamo 2012-07-30. {{cite web}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (help)CS1 maint: date auto-translated (link)
↑Hinnells, The Routledge Companion to the Study of Religion, p. 441.
↑"Presentation of the Pontifical Yearbook 2019 and the Annuarium Statisticum Ecclesiae 2017". Holy See Press Office. 6 March 2019. Archived from the original on 7 March 2019. Retrieved 6 March 2019
↑"Argentina". Encyclopædia Britannica. Iliwekwa mnamo 2008-05-11.
↑"Bolivia". Encyclopædia Britannica. Iliwekwa mnamo 2008-05-11.
↑"Costa Rica". Encyclopædia Britannica. Iliwekwa mnamo 2008-05-11.
↑"Denmark". Encyclopædia Britannica. Iliwekwa mnamo 2008-05-11.
↑"El Salvador". Encyclopædia Britannica. Iliwekwa mnamo 2008-05-11.