- Muslim > Muslim percentage of total population: Muslim percentage (%) of total population 2014 Pew Report.
- Muslim > Muslim population: Muslim population 2014 Pew Report.
- Religions: This entry includes a rank ordering of religions by adherents starting with the largest group and sometimes includes the percent of total population.
- Religions > All: This entry includes a rank ordering of religions by adherents starting with the largest group and sometimes includes the percent of total population.
- Seventh-day Adventist Membership: This entry lists Seventh-day Adventist membership worldwide as of 2004. Membership is defined as baptised and active.
SOURCES: Wikipedia: Islam by country (Table) ("Muslim Population by Country" . The Future of the Global Muslim Population . Pew Research Center . Retrieved 22 December 2011 .); CIA World Factbooks 18 December 2003 to 28 March 2011; CIA World Factbook, 22 August 2006; adventiststatistics.org 2004 Annual Report 31 December 2004
- Holy See (Vatican City) ranked last for seventh-day adventist membership amongst Catholic countries in 2004.